SK288378B6 - Použitie chinazolínových derivátov ako inhibítorov angiogenézy - Google Patents
Použitie chinazolínových derivátov ako inhibítorov angiogenézy Download PDFInfo
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- SK288378B6 SK288378B6 SK50002-2013A SK500022013A SK288378B6 SK 288378 B6 SK288378 B6 SK 288378B6 SK 500022013 A SK500022013 A SK 500022013A SK 288378 B6 SK288378 B6 SK 288378B6
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Abstract
Opisuje sa použitie zlúčeniny 4-(4-fluór-2-metylindol-5- yloxy)-6-metoxy-7-(3-(pyrolidín-1-yl)propoxy)chinazolín alebo jej farmaceuticky prijateľnej soli a jedného alebo viacerých terapeutických činidiel zvolených z (i) ďalšieho antiangiogénneho činidla, ktoré pôsobí mechanizmom odlišným ako inhibícia VEGF receptorov tyrozínkinázy; (ii) cytostatického činidla; (iii) antiproliferačného/antineoplastického liečiva alebo ich kombinácie; (iv) modifikátora biologickej odozvy; a (v) protilátky; na výrobu liečiva na poskytnutie antiangiogénneho účinku a/alebo účinku zníženia permeability ciev u teplokrvných živočíchov, ako je človek; a tiež na výrobu liečiva na liečenie rakoviny teplokrvných živočíchov, ako je človek. Rakovinou je predovšetkým rakovina hrubého čreva, prsníka, prostaty, pľúc alebo kože.
Description
Predložený vynález sa týka použitia chinazolínových derivátov pri príprave liekov, ktoré znižujú angiogenézu a/alebo priepustnosť ciev u teplokrvných živočíchov, ako je človek.
Doterajší stav techniky
Normálna angiogenéza hrá dôležitú úlohu v rôznych procesoch vrátane vývoja embrya, hojenia rán a niektorých zložiek reprodukčnej schopnosti samíc. Nežiaduca a patologická angiogenéza je spojená s ochoreniami vrátane diabetickej retinopatie, psoriázy, rakoviny, reumatoidnej artritídy, aterómu, Kaposiho sarkómu a hemangiómu (Fan a kol., 1995, Trends Pharmacol. Sci., 16:57-66; Folkman, 1995, Náture Medicíne 1:2731). Predpokladá sa, že zmena priepustnosti ciev hrá úlohu v normálnych aj patologických fyziologických procesoch (Cullinan-Bove a kol., 1993, Endocrinology 133, 829-837; Senger a kol., 1993, Cancer a Metastasis Reviews, 12, 303-324). Niektoré polypeptidy, ktoré majú endoteliálnu aktivitu, podporujúcu bunkový rast, obsahujú kyslé a zásadité fibroblastové rastové faktory (aFGF & bFGF) a cievny endoteliálny rastový faktor (VEGF). Následkom obmedzeného výskytu ich receptorov je aktivita rastového faktora VEGF, oproti aktivite FGF, relatívne špecifická k endoteliálnym bunkám. Nedávne výsledky ukazujú, že VEGF je dôležitým stimulátorom normálnej aj patologickej angiogenézy (Jakeman a kol., 1993, Endocrinology, 133:848859; Kolch a kol., 1995, Breast Cancer Research and Treatment, 36:139-155) a cievnej priepustnosti (Connolly a kol., 1989, J. Biol. Chem. 264:20017-20024). Antagonizmus pôsobenia VEGF vylúčením VEGF protilátkou môže vyústiť do inhibície nádorového bujnenia (Kim a kol., 1993, Náture 362: 841-844). Bázický FGF (bFGF) je silný stimulátor angiogenézy (napríklad Hayek a kol., 1987, Biochem. Biophys. Res. Commun. 147:876-880) a zvýšené úrovne FGF sa našli v sére (Fujimoto a kol., 1991, Biochem. Biophys. Res. Commun. 180: 386-392) a močovine (Nguyen a kol., 1993, J. Natl. Cancer. Inst. 85:241-242) pacientov s rakovinou.
Receptory tyrozinkináz (RTK) sú dôležité pri prenose biochemického signálu cez plazmatickú membránu buniek. Tieto transmembránové molekuly sa skladajú z extracelulárnych domén ligand-väzba pripojených cez úsek v plazmatickej membráne k intracelulárnej tyrozinkinázovej doméne. Výsledkom väzby ligandu k receptoru je stimulácia aktivity tyrozínkinázy spojenej s receptorom, čo vedie k fosforylácii tyrozínových zvyškov na receptore a na iných intracelulárnych molekulách. Tieto zmeny vo fosforylácii tyrozínu vyvolajú signalizačnú kaskádu, ktorá vedie k rôznym bunkovým odpovediam. Dodnes sa identifikovalo najmenej 19 rôznych podskupín RTK, definovaných homológiou aminokyselinovej sekvencie. Jedna z týchto podskupín práve obsahuje fms receptory podobné tyrozínkináze, receptory obsahujúce vloženú kinázovú doménu Fit a Fit 1, KDR (tiež označený ako Flk 1) a ďalšie receptory fms podobné tyrozínkináze. Dve z nich, týkajúce sa RTK, Fit a KDR, sa ukázali, že veľmi silne viažu VEGF (De Vrieš a koľ, 1992, Science 255: 989-991; Terman a koľ, 1992, Biochem. Biophys. Res. Comm. 1992, 187: 1579-1586). Väzba VEGF k týmto receptorom vyskytujúca sa u rôznych buniek je spojená so zmenami v tyrozínfosforylačnom stave bunkových proteínov a v toku vápnika.
Tento vynález je založený na objavení zlúčenín, ktoré prekvapujúco inhibujú účinky VEGF, majú schopnosť liečiť ochorenia spojené s angiogenézou a/alebo zvýšenou priepustnosťou ciev, ako je rakovina, diabetes, psoriáza, reumatoidná artritída, Kaposiho sarkóm, hemangióm, akútna a chronická nefŕopatia, eteróm, restenóza tepien, akútne zápaly, nadmerná tvorba jaziev a zrastov, endometrióza, dysfunkčné maternicové krvácanie a očné ochorenia spojené s proliferáciou sietnicových ciev.
Podstata vynálezu
Tento vynález sa týka použitia zlúčeniny vzorca I:
(I), kde:
kruh C je indol-5-yl;
Zje-O-;
n je 2;
m je 2;
R2 je 6-metoxy a 7-(3-(pyrolidín-l-yl)propoxy)
R1 je 4-fluoro a 2-metyl;
čo predstavuje 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín; alebo jej soli, na výrobu liečiva na poskytnutie antiangiogénneho účinku a/alebo účinku zníženia permeability ciev u teplokrvných živočíchov, ako je človek.
Podľa tohto vynálezu sa poskytuje použitie zlúčeniny 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín alebo jej farmaceutický prijateľnej soli a jedného alebo viacerých terapeutických činidiel zvolených z (i) ďalšieho antiangiogénneho činidla, ktoré pôsobí mechanizmom odlišným ako inhibícia VEGF receptorov tyrozinkinázy;
(ii) cytostatického činidla;
(iii) antiproliferačného/antineoplastického liečiva alebo ich kombinácie;
(iv) modifikátora biologickej odozvy; a (v) protilátky;
na výrobu liečiva na poskytnutie antiangiogénneho účinku a/alebo účinku zníženia permeability ciev u teplokrvných živočíchov, ako je človek.
Podľa ďalšieho aspektu poskytuje tento vynález použitie zlúčeniny 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín alebo jej farmaceutický prijateľnej soli a jedného alebo viacerých terapeutických činidiel zvolených z (i) ďalšieho antiangiogénneho činidla, ktoré pôsobí mechanizmom odlišným ako inhibícia VEGF receptorov tyrozinkinázy;
(ii) cytostatického činidla;
(iii) antiproliferačného/antineoplastického liečiva alebo ich kombinácie;
(iv) modifikátora biologickej odozvy; a (v) protilátky;
na výrobu liečiva na liečenie rakoviny teplokrvných živočíchov, ako je človek.
Predložený vynález sa týka zlúčenín vzorca (I) a ich solí. Soli na použitie vo farmaceutických kompozíciách budú farmaceutický prijateľné soli, ale pri príprave zlúčenín vzorca (I) a ich farmaceutický prijateľných solí sa môžu použiť tiež ostatné soli. Farmaceutický prijateľné soli môžu, napríklad, zahŕňať adičné soli s kyselinami zlúčenín vzorca (I), ako sú definované skôr, ktoré sú dostatočne zásadité na tvorbu takýchto solí. Medzi také soli kyselín patria napríklad soli anorganických alebo organických kyselín, ktoré tvoria farmaceutický prijateľné anióny, ako sú soli s halogenovodíkmi (najmä kyselinou chlorovodíkovou alebo kyselinou bromovodíkovou, z ktorých sú výhodnejšie soli s kyselinou chlorovodíkovou) alebo soli s kyselinou sírovou alebo kyselinou fosforečnou, alebo soli s kyselinou trifluóroctovou, kyselinou citrónovou alebo kyselinou maleínovou. Ďalej, ak sú zlúčeniny vzorca (I) dostatočne kyslé, môžu tvoriť farmaceutický prijateľné soli s anorganickými látkami alebo organickými zásadami za vzniku farmaceutický prijateľného katiónu. Medzi také soli patria napríklad soli alkalických kovov, ako je sodná alebo draselná soľ, soli kovov alkalických zemín, ako je vápenatá alebo horečnatá soľ, amóniové soli alebo napríklad soli s metylamínom, dimetylamínom, trimetylamínom, piperidínom, morfolínom alebo tris-(2-hydroxyetyl)amínom.
Zlúčenina vzorca (I) alebo jej soľ a ďalšie zlúčeniny podľa predloženého vynálezu (ktoré budú definované ďalej) sa môžu pripraviť podľa akéhokoľvek postupu, ktorý je známy na prípravu chemicky príbuzných zlúčenín. Medzi také postupy patria napríklad tie, ktoré sú opísané v európskej patentovej prihláške číslo 0520722, 0566226, 0602851 a 0635498. Také postupy zahŕňajú napríklad syntézu v pevnej fáze. Tieto postupy poskytujú ďalšie charakteristiky podľa predloženého vynálezu a sú opísané ďalej. Potrebné východiskové látky je možné získať pomocou postupov bežných v organickej chémii. Príprava týchto východiskových látok je opísaná v spojení s príkladmi, ktoré nie sú pre predložený vynález obmedzujúce. Alternatívne je možné získať východiskové látky pomocou postupov, ktoré sú analogické opísaným postupom, a ktoré sú v organickej chémii známe.
Ak sa požadujú farmaceutický prijateľné soli zlúčeniny vzorca (I), môžu sa získať napríklad reakciou uvedenej zlúčeniny, napríklad s kyselinou, pomocou obvyklého postupu, pričom kyselina obsahuje farmaceutický prijateľný anión.
Identifikácia zlúčenín, ktoré účinne inhibujú aktivitu tyrozinkinázy spojenú s VEGF receptormi, ako je Fit a/alebo KDR, a ktoré inhibujú angiogenézu a/alebo zvýšenú priepustnosť ciev, je žiaduca a je predmetom predloženého vynálezu.
Tieto vlastnosti sa môžu testovať napríklad s použitím postupov opísaných ďalej.
(a) In vitro test inhibície receptora tyrozínkinázy
Táto skúška stanoví schopnosť testovanej zlúčeniny inhibovať aktivitu tyrozínkinázy. DNA kódujúca VEGF, FGF alebo receptor epidermálneho rastového faktora (EGF) cytoplazmatických domén sa môžu získať totálnou syntézou génu (Edwards M., International Biotechnology Lab 5(3), 19-25, 1987) alebo klonovaním. Potom sa môžu kultivovať vo vhodnom kultivačnom prostredí, pričom sa získa polypeptid s aktivitou tyrozínkinázy. Napríklad VEGF, FGF a EGF receptor cytoplazmických domén, ktoré sa získali pomocou expresie rekombinantného proteínu v bunkách hmyzu, vykázali skutočnú aktivitu tyrozínkinázy. V prípade VEGF receptora Fit (číslo v génovej banke X51602), 1,7 kb fragment DNA kódujúci väčšinu cytoplazmatických domén, začínajúcich metionínom 783 a obsahujúcich koncový kód opísaný Shibuya a kol., (Oncogene, 1990, 5: 519-524), sa izoluje z cDNA a klonuje sa na bacilovírusový prenosový vektor (napríklad pAcYMl (pozri Baculovirus Expression System: A Faboratory Guide, F.A. King a R.D. Possee, Chapman a Halí, 1992) alebo pAc360 alebo pBlueBacHis (dostupný od Invitrogen Corporation)). Takto vybudovaný rekombinant sa prevedie na bunky jedinca (napríklad Spodoptera frugiperda 21 (Sf21)) s vírusovou DNA (napríklad Pharmingen BaculoGold) a pripraví sa rekombinant bacilovírusu. (Podrobnosti metód na prípravu rekombinantu molekúl DNA a príprava a použitie rekombinantu bacilovírusu sú uvedené napríklad v Sambrook a kol., 1989, Molecular cloning-A Faboratory Manual, 2. vydanie, Cold Spring Harbour Faboratory Press a O'Reilly a kol., 1992, Baculovirus Expression Vectors - A Faboratory Manual, W.H. Freeman a kol., New York). Pre ďalšie tyrozínkinázy na použitie pri testoch môžu byť cytoplazmatické fragmenty pochádzajúce od metionínu 806 (KDR, číslo v génovej banke F04947) a metionínu 668 (EGF receptor, číslo v génovej banke X00588) a metionín 399 (FGFR1 receptor, číslo v génovej banke X51803) klonované a kultivované podobným spôsobom.
Na určenie aktivity cFlt tyrozínkinázy sa bunky Sf21 infikujú cFtl rekombinantným vírusom pri multiplicite infikácie 3 a odoberú sa po 48 hodinách. Odobraté bunky sa premyjú ľadovo studeným roztokom fosfátového pufrového fyziologického roztoku, (PBS) (10 mM fosforečnanu sodného pF 7,4, 138 mM NaCl, 2,7 mM KC1), resuspendujú sa v ľadovo studenom HNTG/PMSF (20 mM Hepes pH 7,5, 150 mM NaCl, 10 % obj./obj. glycerol, 1 % obj./obj. Triton X100, 1,5 mM MgCl2, 1 mM etylénglykol-bis(|i-arninoetyléteij-\,\,-Ν',Ν'-tetraoctová kyselina (EGTA), 1 mM PMSF (fenylmetylsulfonylfhiorid); PMSF sa pridá tesne pred použitím z čerstvo pripraveného 100 mM roztoku v metanole) s použitím 1 ml HNTG/PMSF na 10 miliónov buniek. Suspenzia sa odstreďuje 10 minút pri 13000 otáčkach za minútu pri 4 °C, supernatant (zásoba enzýmov) sa vyberie a skladuje v alikvotných dieloch pri -70 °C. Každá nová dávka zásobného enzýmu sa titruje pri skúške zriedeným riedidlom enzýmu (100 mM Hepes pH 7,4, 0,2 mM Na3VO4, 0,1 % obj./obj. Triton x'00, 0,2 mM ditiotreitol). Pre typickú dávku sa zásobný enzým zriedi 1 ku 2 000 a pre každú skúšobnú jamku sa použije 50 μΐ zriedeného enzýmu.
Zásobný roztok substrátového roztoku sa pripraví z náhodného kopolyméru obsahujúceho tyrozín, napríklad Poly (Glu, Ala, Tyr) 6:3:1 (Sigma P3899), skladovaného ako 1 mg/ml roztoku v PBS pri -20 °C a zriedeného 1:500 PBS na pokrytie dosky.
Jeden deň pred testom sa do všetkých jamiek testovacej dosky nanesie 100 μΐ zriedeného substrátového roztoku (Nunc maxisorp 96 jamiek), táto doska sa utesní a cez noc sa skladuje pri 4°C.
V deň testu sa substrátový roztok vyleje a testovacia doska sa raz premyje PBST (PBS obsahujúci 0,05 % objemového Tween 20) a raz 50 mM roztokom Hepes s pH 7,4.
Testované zlúčeniny sa zriedia 10 % dimetylsulfoxidom (DMSO) a 25 μΐ zriedenej zlúčeniny sa prevedie do jamiek premytých testovacích dosiek. Kontrolné jamky obsahujú namiesto zlúčeniny 10 % dimetylsulfoxid. Do všetkých jamiek okrem kontrolnej, ktorá obsahuje MnCl2 bez ATP, sa pridá 25 μΐ 40 mM roztoku MnCl2 obsahujúceho 8 μιηοΙ adenozín-5'-trifosfátu (ATP). Reakcia začne pridaním 50 μΐ čerstvo zriedeného enzýmu do každej jamky a dosky sa inkubujú pri teplote miestnosti 20 minút. Tekutina sa potom vyleje a jamky sa dvakrát premyjú PBST. Do každej jamky sa pridá 100 μΐ myšej IgG antifosfotyrozínovej protilátky (Upstate Bio-technology lnc., produkt 05-321) zriedenej 1:6000 pomocou PBST obsahujúcej 0,5 % hmotnosť/objem hovädzieho albumínového séra (BSA) a dosky sa 1 hodinu inkubujú pri teplote miestnosti. Potom sa roztok vyleje a jamky sa premyjú dvakrát PBST. Potom sa pridá 100 μΐ chrenovou peroxidázou (HRP) spojenej ovčej antimyšej Ig protilátky (Amersham produkt NXA 931) zriedenej 1:500 pomocou PBST obsahujúcej 0,5 % w/v hmotnosť/objem BSA a dosky sa 1 hodinu inkubujú pri teplote miestnosti. Potom sa roztok vyleje a jamky sa premyjú dvakrát PBST. Potom sa do každej jamky pridá 100 μΐ 2,2'-azino-bis(3-etylbenztiazolín-6-sulfónovej) kyseliny (ABTS) čerstvo pripravenej z jednej 50 mg ABTS tablety (Boehringer 1204 521) v 50 ml čerstvo pripraveného 50 mM fosfát-citrát pufra pH 5,0 + 0,03 % perborátu sodného (pripraveného z 1 fosfát-citrátového pufra a kapsuly perborátu sodného (PCSB - Sigma P4922) na 100 ml destilovanej vody). Dosky sa potom inkubujú 20-60 minút pri teplote miestnosti, pokiaľ optická hustota kontrolnej jamky meraná pri 405 nm nedosiahne približne hodnotu 1,0. Hodnoty vzoriek „blank“ (bez ATP) a „total“ (bez zlúčeniny) sa použijú na stanovenie zrieďovacieho pomeru, pri ktorom testovaná zlúčenina indukuje 50 % inhibíciu aktivity enzýmu.
(b) In vitro HUVEC proliferačný test
Tento test stanoví schopnosť testovanej zlúčeniny inhibovať rastovým faktorom stimulovanú proliferáciu ľudských endotelových žilových buniek pupočnej šnúry (HUVEC).
HUVEC bunky sa izolujú v MCDB 131 (Gibco BRIL) + 7,5 % objemovo plodového teľacieho séra (FCS) a nanesú sa (v rade 2 až 8) v MCDB 131 + 2 % objemovo FCS + 3 pg/rnl heparín + 1 pg/ml hydrokortizónu pri koncentrácii 1000 buniek/jamka na 96 jamkovú dosku. Po minimálne 4 hodinách sa pridá vhodný rastový faktor (to znamená VEGF 3 ng/ml, EGF 3 ng/ml alebo B-FGF 0,3 ng/ml) a testovaná zlúčenina. Kultúry sa potom inkubujú 4 dni pri 37 °C a 7,5 % CO2. Štvrtý deň sa kultúry očkujú 1 pCi/jamka tritiovaným tymidínom (Amersham produkt TRA 61) a inkubujú sa 4 hodiny. Bunky sa spracujú pomocou aparátu Tomtek a potom testujú na inkorporáciu trítia pomocou β-counteru. Inkorporácia rádioaktivity do buniek, vyjadrená ako cpm sa použije na hodnotenie inhibície rastovým faktorom stimulovanej proliferácie vyvolanej zlúčeninou.
(c) Model in vivo pevného nádorového ochorenia
Tento test stanoví kapacitu zlúčenín inhibovať rast pevného nádora.
Xenoimolantáty nádoru CaLu-6 sa zavedú do boku samíc atymických švajčiarskych nu/nu myší subkutánnou injekciou lxlO6 CaLu-6 buniek/myš v 100 μΐ 50 % (objem/objem) roztoku Martigel v sére bez kultúrneho média. Desať dní po bunkovom implantáte sa myši rozdelia do skupín po 8 až 10, aby sa dosiahli porovnateľné hodnoty priemerných objemov. Nádory sa merajú s použitím vernier kaliperu a objemy sa vypočítajú ako: (lxw)xJ(lxw)x(7i/6), kde 1 je najdlhší priemer a w je priemer, ktorý je kolmý k najdlhšiemu. Zlúčeniny sa podávali denne, minimálne 21 dní a kontrolná skupina obdržala riedidlo pre zlúčeninu. Nádory sa merali dvakrát týždenne. Úroveň inhibície rastu sa počítala porovnaním objemu stredného nádoru kontrolnej skupiny proti liečenej skupine, s použitím testu Študent T a/alebo Mann-Witney Rank Sum Test. Inhibičný účinok zlúčeniny použitej na liečbu sa pokladá za podstatný, keď p<0,05.
Poskytuje sa farmaceutická kompozícia, ktorá obsahuje zlúčeninu vzorca (I) alebo jej farmaceutický prijateľnú soľ, ktorá je definovaná skôr, v spojení s farmaceutický prijateľným excipientom alebo nosičom.
Kompozícia môže byť vo forme vhodnej na orálne podávanie, napríklad vo forme tabliet alebo toboliek, na parenterálne podávanie (vrátane vnútrožilového, podkožného, medzisvalového, cievneho alebo infúzneho) vo forme sterilného roztoku, suspenzie alebo emulzie, na miestne podávanie vo forme masti alebo krému alebo na rektálne podávanie vo forme čapíkov. Vo všeobecnosti, uvedené kompozície sa môžu pripraviť bežným spôsobom s použitím obvyklých excipientov.
Kompozície podľa tohto vynálezu sú výhodne upravené do jednotlivých dávkových foriem. Zlúčenina sa normálne bude podávať teplokrvným živočíchom v dávkach 5 až 5000 mg na štvorcový meter povrchu tela živočícha, to znamená asi 0,1 až 100 mg/kg. Jednotlivou dávkou je napríklad 1 až 100 mg/kg, výhodne 1 až 50 mg/kg a toto množstvo normálne predstavuje terapeuticky účinné množstvo. Jednotlivá dávková forma, ako je tableta alebo tobolka, bude obvykle obsahovať 1 až 250 mg aktívnej zložky.
V súlade s ďalším aspektom predložený vynález poskytuje zlúčeninu vzorca (I) alebo jej farmaceutický prijateľnú soľ, ktorá je definovaná vyššie na liečenie ľudí a zvierat.
Zistilo sa, že zlúčeniny podľa predloženého vynálezu inhibujú aktivitu VEGF receptora tyrozinkinázy, a preto sú zaujímavé ich antiangiogénne účinky a/alebo ich schopnosť spôsobiť zníženie priepustnosti ciev.
Ďalším aspektom tohto vynálezu je zlúčenina vzorca (I) alebo jej farmaceutický prijateľná soľ na použitie ako liečivo, vhodne zlúčenina vzorca (I) alebo jej farmaceutický prijateľná soľ na poskytnutie antiangiogénneho účinku a/alebo účinku zníženia permeability ciev u teplokrvných živočíchov, ako je človek.
Ďalší aspekt podľa predloženého vynálezu teda poskytuje použitie zlúčeniny vzorca (I) alebo jej farmaceutický prijateľnej soli na výrobu lieku na poskytnutie antiangiogénneho účinku a/alebo účinku na zníženie permeability ciev u teplokrvných živočíchov, ako je človek.
Ako je uvedené, veľkosť dávky potrebná na liečenie alebo profylaxiu prípadných ochorení bude nutne závisieť od pacienta, spôsobu podávania a druhu liečeného ochorenia. Denná dávka sa výhodne pohybuje v rozsahu 1 až 50 mg/kg. Denná dávka sa bude meniť v závislosti od pacienta, konkrétneho spôsobu podávania a druhu liečeného ochorenia. Optimálnu dávku preto určí lekár, ktorý lieči konkrétneho pacienta.
Antiangiogénna a/alebo priepustnosť ciev znižujúca liečba definovaná skôr sa môže použiť ako samostatná terapia alebo môže zahŕňať jednu alebo viac ďalších látok a/alebo spôsobov liečby okrem zlúčenín podľa predloženého vynálezu. Táto súčasná liečba sa môže dosiahnuť pomocou súbežného, súsledného alebo oddeleného podávania jednotlivých zložiek liečby. V oblasti liečebnej onkológie je bežné používať kombináciu rôznych foriem liečby na liečbu každého pacienta s nádorom. V onkológii môžu byť inými zložkami také súbežné liečby okrem antiangiogénnej liečby a/alebo liečby na zníženie priepustnosti ciev použité nasledujúce terapie: chirurgický zásah, rádioterapia alebo chemoterapia. Pre chemoterapiu sa môžu použiť tri hlavné skupiny liečebných činidiel:
(i) iné antiangiogénne činidlá, ktoré pôsobia iným mechanizmom ako látky definované v predloženom vynáleze, (napríklad linomid, inhibítory funkcie integrinu ανβ3, angiostatín, razoxín, talidomid), a zahŕňajúce činidlá zamerané na cievy (napríklad combretastín fosfát a činidlá poškodzujúce cievy, opísané v medzinárod5 nej patentovej prihláške č. WO 99/02166, ktorá je tu uvedená ako odkaz (napríklad N-acetylcolchinol-O-fosfát));
(ii) cytostatické činidlá, ako sú antiestrogény (napríklad tamoxifén, toremifén, raloxifén, droloxifén, jodoxyfén), progesteróny (napríklad megestrolacetát), inhibítory aromatázy (napríklad anastrozol, letrazol, vorazol, exemestan), antiprogesteróny, antiandrogény (napríklad flutamid, nilutamid, bicalutamid, cyproteronacetát), LHRH agonisty a antagonisty (napríklad goserelinacetát, luprolid), inhibítory testosterón-5a-dihydroreduktázy (napríklad finasterid, antiinvázne činidlá (napríklad inhibítory metaloproteináz ako marimastát a inhibítory funkcie receptora urokináz plasminogen aktivátora) a inhibítory funkcie rastového faktora (rastový faktor zahŕňa napríklad rastový faktor odvodený od doštičiek a hepatocytový rastový faktor, ako sú inhibítory zahŕňajúce protilátky rastového faktora, receptory protilátok rastového faktora, inhibítory tyrozinkinázy a inhibítory serín/treonín kinázy); a (iii) antiproliferačné/antineoplastické liečivá a ich kombinácie, ktoré sa používajú v liečebnej onkológii, ako sú antimetabolity (napríklad antifoláty ako metotrexát, fluórpyrimidíny ako 5-fluóruracyl, purín a analógy adenozínu, cytozín arabinozid); protinádorové antibiotiká (napríklad antracyklíny ako doxorubicín, daunomycín, epirubicín a idarubicín, mitomycín-C, dactinomycín, mitramycín); deriváty platiny (napríklad cisplatín, carboplatín), alkylačné činidlá (napríklad nitrogén mustard, melpalan, chlorambucil, busulpan, cyklofosfamid, ifofsfamid, nitrózomočovina, tiotepa); antimitotické činidlá (napríklad vinea alkaloidy ako vinerisitín a taxoidy ako taxol, taxoter); inhibítory topoizomeráz (napríklad epipodopylotoxíny ako etopozid a tenipozid, amsacrine, topotecan a tiež irinotecan); tiež enzýmy (napríklad asparagináza); a inhibítory tymidylát syntázy (napríklad raltitrexed);
(iv) modifikátory biologickej odozvy (napríklad interferon); a (v) protilátky (napríklad edrecolomab).
Taká súbežná liečba sa napríklad môže dosiahnuť súčasným, postupným alebo oddeleným podaním zlúčeniny vzorca (I), ako je definovaná vyššie a činidlami zameranými na cievy, ako sú činidlá opísané vo WO 99/02166 ako je N-acetylcolchinol-O-fosfát (príklad 1 WO 99/02166).
Ako je uvedené, zlúčeniny definované podľa predloženého vynálezu majú zaujímavé antiangiogénne účinky a/alebo účinky znižujúce priepustnosť ciev. Očakáva sa, že tieto zlúčeniny podľa predloženého vynálezu sú využiteľné pri liečbe mnohých ochorení vrátane rakoviny, diabetu, psoriázy, reumatoidnej artritídy, Kaposiho sarkómu, hemangiómu, akútnej a chronickej nefropatie, aterómu, arteriálnej restenózy, autoimúnnych ochorení, akútnych zápalov, nadmernej tvorby jaziev a zrastov, endometriózy, dysfunkčného maternicového krvácania a očných ochorení s proliferáciou sietnicových ciev. Od zlúčenín podľa predloženého vynálezu sa najmä očakáva, že výhodne spomalia rast primárnych a opakovaných nádorov, napríklad hrubého čreva, prsníka, prostaty, pľúc a kože. Výhodnejšie sa od týchto zlúčenín očakáva, že budú inhibovať rast primárnych a opakovaných nádorov, ktoré sú spojené s VEGF, najmä nádorov, ktoré sú význačne závislé na VEGF z hľadiska ich rastu a rozšírenia vrátane napríklad určitých nádorov hrubého čreva, prsníka, prostaty, pľúc a kože.
Je potrebné poznamenať, že použitý termín éter označuje dietyléter.
Príprava 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolínu alebo jeho farmaceutický prijateľnej soli je v ďalšej časti ilustrovaná príkladmi, v ktorých, ak nie je uvedené inak:
(i) odparovanie sa uskutočňovalo na rotačnej vákuovej odparke a spracovanie zmesi sa uskutočňovalo po odstránení zvyšných pevných podielov (ako je sušidlo) filtráciou;
(ii) operácie sa uskutočňovali pri teplote miestnosti, čo je teplota 18-25 °C, a v atmosfére inertného plynu, ako je argón;
(iii) stĺpcová flash-chromatografia a strednotlaková kvapalinová chromatografia (MPLC) sa uskutočňovali na Merck silikagéli (art. 9395) alebo na reverznej fáze Merck Lichroprep RP-18 (art. 9303) od firmy E. Merck, Darmstadt, Germany;
(iv) výťažky sú uvedené len na ilustráciu a nie sú to nevyhnutne maximálne dosiahnuteľné hodnoty;
(v) teploty topenia nie sú korigované a stanovili sa na automate Mettler SP62, na prístroji s olejovým kúpeľom alebo na Kofflerovom bloku;
(vi) štruktúra výsledných produktov vzorca (I) sa potvrdila jadrovou magnetickou rezonanciou (NMR) a hmotnostným spektrom; hodnoty posunov protónovej magnetickej rezonancie sa merali na δ škále a multiplicita signálov je vyjadrená nasledovne: s-singlet; d-dublet; t-triplet; m-multiplet; br-široký; q-kvartet, kvin, kvintet;
(vii) intermediáty neboli všeobecne celkom charakterizované a čistota sa odhadla podľa chromatografie na tenkej vrstve (TLC), kvapalinovej chromatografie s vysokým rozlíšením (HPLC), infračervenej (IR) alebo NMR analýzy;
(viii) HPLC sa uskutočňovala pri 2 rôznych podmienkach:
1) na kolóne TSK Gel super ODS 2 μΜ 6,4 mm x 5 cm, eluovaním s gradientom metanolu vo vode (obsahujúcej 1 % kyseliny octovej) 20 až 100 % v priebehu 5 minút. Prietoková rýchlosť 1,4 ml/min. Detekcia: U. V. pri 254 nm a detekciou rozptylu svetla;
2) na kolóne TSK Gel super ODS 2 μΜ 6,4 mm x 5 cm, eluovaním s gradientom metanolu vo vode (obsahujúcej 1 % kyseliny octovej) 0 až 100 % v priebehu 7 minút. Prietoková rýchlosť 1,4 ml/min. Detekcia: U.V. pri 254 nm a detekciou rozptylu svetla;
(ix) petroléter sa týka frakcie s bodom varu v rozsahu 40 až 60 °C;
(x) používajú sa nasledujúce skratky:
DMF N,N-dimetylformamid
DMSO dimetylsulfoxid
TFA kyselina trifluóroctová
NMP l-metyl-2-pyrolidón
THF tetrahydrofurán
HMDS 1,1,1,3,3,3-hexametyldisilazán
HPLC RT retenčný čas HPLC
DEAD dietylazodikarboxylát
DMA dimetylacetamid
DMAP 4-dimetylaminopyridín
Príklady uskutočnenia vynálezu
Toto je vylúčená patentová prihláška z PP 1140-2001, preto sú v tomto texte ponechané z pôvodnej patentovej prihlášky len príklady 9, 10, 237 a 240. Príklady 9, 10 a 237 sú tu ponechané ako referenčné príklady.
Príklad 1 (pôvodný príklad 9) - referenčný
Suspenzia 4-chlór-6-metoxy-7-(3-pyrolidín-l-yl)propoxy)chinazolínu (0,13 g, 0,4 mmol), 5-hydroxy-2-metylindolu (74 mg, 0,5 mmol) a uhličitanu draselného (83 mg, 0,6 mmol) v DMF (1,5 ml) sa mieša 2 hodiny pri teplote 100 °C. Po ochladení na teplotu okolia sa pridá voda (20 ml). Zrazenina sa odoberie filtráciou, premyje sa vodou a suší sa vo vákuu pri teplote 60 °C. Získa sa 6-metoxy-4-(2-metylindol-5-yloxy)-7-(3-(pyrolidin-l-yl)propoxy)chinazolín (80 mg, 46 %).
’H NMR spektrum: (DMSOdg, CF3CO2D) 1,9-2,0 (m, 2H); 2,05 - 2,2 (m, 2H); 2,25-2,4 (m, 2H); 2,43 (s, 3H); 3,05-3,2 (m, 2H); 3,35-3,5 (m, 2H); 3,65-3,75 (m, 2H); 4,12 (s, 3H); 4,35-4,5 (t, 2H); 7,0 (dd, 1H); 7,35 (d, 1H); 7,42 (d, 1H); 7,6 (s, 1H); 7,85 (s, 1H); 9,15 (s, 1H).
MS (ESI): 433 (MH)+.
Východiskový materiál sa pripraví nasledovne:
Zmes 4-hydroxy-3-metoxybenzoovej kyseliny (8,4 g, 50 mmol), 3-(pyrolidín-l-yl)propylchloridu (14,75 g, 0,1 mol) (J. Am. Chem. Soc. 1955,. 77, 2272), uhličitanu draselného (13,8 g, 0,1 mol) a jodidu draselného (1,66 g, 10 mmol) v DMF (150 ml) sa mieša a 3 hodiny zahrieva pri teplote 100 °C. Zmes sa potom ochladí, nerozpustné zložky sa odstránia filtráciou a prchavé látky z filtrátu sa odstránia odparením. Zvyšok sa rozpustí v etanole (75 ml), pridá sa 2M vodný hydroxid sodný (75 ml) a zmes sa zahrieva 2 hodiny pri teplote 90 °C. Zmes sa koncentruje odparením, okyslí sa koncentrovanou kyselinou chlorovodíkovou, premyje sa éterom a potom sa čistí na Diaion (obchodná značka Mitsubishi) HP20SS živicovej kolóne za eluovania vodou a potom s gradientom metanolu (0 na 25 %) v zriedenej kyseline chlorovodíkovej (pH 2,2). Metanol sa odstráni odparením a vodný zvyšok sa lyofilizuje a získa sa hydrochlorid 3-metoxy-4-(3-pyrolidín-l-yl)propoxy)benzoovej kyseliny (12,2 g, 77 %).
’H NMR spektrum: (DMSOdg, CF3CO2D) 2,2 (m, 2H); 3,15 (t, 2H); 3,3 (t, 2H); 3,5 (d, 2H); 3,7 (t, 2H); 3,82 (s, 3H); 4,05 (d, 2H); 4,15 (t, 2H); 7,07 (d,lH); 7,48 (s, 1H); 7,59 (d, 1H).
MS (El): 279 (M')+.
Dymivá kyselina dusičná (2,4 ml, 57,9 mmol) sa pri teplote 0 °C pomaly pridá k roztoku hydrochloridu 3-metoxy-4-(3-(pyrolidín-l-yl)propoxy)benzoovej kyseliny (12,15 g, 38,17 mmol) v TFA (40 ml). Ľadový kúpeľ sa odstráni a reakčná zmes sa mieša 1 hodinu pri teplote okolia. TFA sa odstráni odparením a k zvyšku sa pridá zmes ľad/voda. Rozpúšťadlo sa odstráni odparením. Pevný zvyšok sa rozpustí v zriedenej kyseline chlorovodíkovej (pH 2,2) naleje sa do Diaion (obchodná značka Mitsubishi) HP20SS živicovej kolóny a eluuje sa metanolom (gradient 0 na 50 %) vo vode. Koncentráciou frakcií odparením sa získa zrazenina, ktorá sa odoberie filtráciou a suší vo vákuu nad oxidom fosforečným. Tak sa získa hydrochlorid 5-metoxy-2-nitro-4-(3-(pyrolidín-l-yl)propoxy) benzoovej kyseliny (12,1 g, 90 %).
’H NMR spektrum: (DMSOdg, TFA) 1,8-1,9 (m, 2H); 2,0-2,1 (m, 2H); 2,1-2,2 (m, 2H); 3,0-3,1 (m, 2H); 3,3 (t, 2H); 3,6-3,7 (m, 2H); 3,95 (s, 3H); 4,25 (t, 2H); 7,35 (s, 1H); 7,62 (s, 1H).
Roztok hydrochloridu 5-metoxy-2-nitro-4-(3-(pyrolidín-l-yl)-propoxy)benzoovej kyseliny (9,63 g, 24 mmol) v tionylchloride (20 ml) a DMF (50 μΐ) sa zahrieva 1,5 hodiny pri teplote 40 °C. Prebytok tionylchloridu sa odstráni odparením a azeotropovaním toluénom (x2). Výsledná pevná látka sa suspenduje v THF (250 ml) a zmesou sa 30 minút prebublávajú metylénchlorid (100 ml) a amoniak a zmes sa mieša pri teplote okolia ďalšiu 1,5 hodinu. Prchavé látky sa odstránia odparením, zvyšok sa rozpustí vo vode a nanesie sa na Diaion (obchodná značka Mitsubishi) HP20SS živicovú kolónu a eluuje sa zmesou voda/metanol (100/0 na 95/5). Rozpúšťadlo sa z frakcií obsahujúcich produkt odstráni odparením, zvyšok sa rozpustí v minimálnom množstve metanolu a roztok sa zriedi éterom. Výsledná zrazenina sa odoberie filtráciou, premyje sa vodou a suší vo vákuu a získa sa 5-metoxy-2-nitro-4-(3-(pyrolidín-l-yl)propoxy)benzamid (7,23 g, 73 %).
’H NMR spektrum: (DMSOd6, CF3CO2D) 1,85-1,95 (m, 2H); 2-2,1 (m, 2H); 2,15-2,25 (m, 2H); 3,0-3,1 (m, 2H); 3,31 (t, 2H); 3,62 (t, 2H); 3,93 (s, 3H); 4,2 (t, 2H); 7,16 (s, 1H); 7,60 (s, 1H).
MS (EI): 323 (MJ+.
Koncentrovaná kyselina chlorovodíková (5 ml) sa pridá k suspenzii 5-metoxy-2-nitro-4-(3-(pyrolidín-l-yl)propoxy)benzamidu (1,5 g, 4,64 mmol) v metanole (20 ml) a zmes sa zahrieva pri teplote 50 °C a získa sa roztok. Po častiach sa pridá železný prášok (1,3 g, 23,2 mmol) a reakčná zmes sa potom zahrieva 1 hodinu pri spätnom toku. Zmes sa ochladí a nerozpustné zložky sa odstránia filtráciou cez infuzóriovú hlinku a prchavé látky sa z filtrátu odstránia odparením. Zvyšok sa čistí na Diaion (obchodná značka Mitsubishi) HP20SS živicovej kolóne za eluovania vodou a potom zriedenou kyselinou chlorovodíkovou (pH 2). Frakcie obsahujúce produkt sa koncentrujú odparovaním, výsledná zrazenina sa odoberie filtráciou a vo vákuu sa suší nad oxidom fosforečným. Získa sa tak 2-amino-5-metoxy-4-(3-pyrolidín-l-yl)propoxy) benzamidhydrochlorid (1,44 g, 85 %).
'H NMR spektrum: (DMSOdg, CF3CO2D) 1,9 (široký s, 2H); 2,05 (široký s, 2H); 2,2 (široký s, 2H); 3,5 (široký s, 2H); 3,3 (t, 2H); 3,61 (široký s, 2H); 3,8 (s, 3H); 4,11 (t, 2H); 7,05 (s, 1H); 7,53 (s, 1H).
MS (EI): 293 (MHJ+.
Zmes 2-amino-5-metoxy-4-(3-(pyrolidín-l-yl)propoxy)benzamidhydrochloridu (5,92 g, 16,2 mmol) a Goldovho činidla (3,5 g, 21,4 mmol) v dioxáne (50 ml) sa zahrieva 5 hodín pri spätnom toku. K reakčnej zmesi sa pridá kyselina octová (0,7 ml) a acetát sodný (1,33 g) a zmes sa potom zahrieva ďalších 5 hodín pri spätnom toku. Zmes sa ochladí a prchavé látky sa odstránia odparením. Zvyšok sa rozpustí vo vode, pH sa upraví na 8 vodným roztokom hydroxidu sodného a čistí sa na Diaion (obchodná značka Mitsubishi) HP20SS živicovej kolóne za eluovania metanolom (gradient 0 - 50 %) vo vode. Frakcie obsahujúce produkt sa koncentrujú odparením, potom sa lyofilizujú a získa sa 4-hydroxy-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín (4,55 g, 83 %).
H NMR spektrum: (DMSOd6, CF3CO2D) 1,9 (m, 2H); 2,0-2,1 (m, 2H); 2,2-2,3 (m, 2H); 3,05 (m, 2H); 3,34 (t, 2H); 3,6-3,7 (široký s, 2H); 3,94 (s, 3H); 4,27 (t, 2H); 7,31 (s, 1H); 7,55 (s, 1H); 9,02 (s, 1H).
Zmes 4-hydroxy-6-metoxy-7-(3-pyrolidín-l-yl)propoxy)chinazolínu (1,7 g, 5 mmol) a tionylchloridu (25 ml) obsahujúceho DMF (0,2 ml) sa zahrieva 3 hodiny pri spätnom toku. Prebytok tionylchloridu sa odstráni odparením a azeotropovaním toluénom (x2). Zvyšok sa suspenduje v éteri a k zmesi sa pridá 10 % vodný roztok hydrogenuhličitanu sodného. Organická vrstva sa oddelí, suší sa (MgSOj, rozpúšťadlo sa odstráni odparením a získa sa 4-chlór-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín (1,94 g, kvantitatívny).
’H NMR spektrum: (CDC13) 1,8 (široký s, 4H); 2,17 (m, 2H); 2,6 (široký s, 4H); 2,7 (t, 2H); 4,05 (s, 3H); 4,3 (t, 2H); 7,35 (s, 1H); 7,38 (s, 1H); 8,86 (s, 1H).
MS (ESI): 322 (MH)+.
Príklad 2 (pôvodný príklad 10) - referenčný
Suspenzia 4-chlór-6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)chinazolínu (74 mg, 0,23 mmol), uhličitanu draselného (48 mg, 0,35 mmol) a 7-hydroxychinazolínu (40,6 mg, 0,28 mmol) v DMF (1,5 ml) sa zahrieva 3 hodiny pri teplote 100 °C. Po ochladení sa zmes mieša 10 hodín pri teplote okolia a cez noc pri teplote 5 °C. Po zriedení metylénchloridom (5 ml) sa zmes naleje na stĺpec oxidu kremičitého a eluuje sa vzrastajúcim gradientom zmesou metanol/metylénchlorid (10/90, 20/80), a potom zmesou amoniak/metanol (5 %) v metylénchloride (25/75) a po odstránení prchavých látok odparením a sušením vo vákuu sa získa 6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)-4-(chinolín-7-yloxy)chinazolín (82 mg, 88 %).
‘H NMR spektrum: (DMSOd6) 1,3-1,5 (m, 2H); l,7-l,9(m, 3H); l,9-2,05(m, 2H); 2,12 (s, 3H); 2,8-2,9 (d, 2H); 4,5 (s, 3H); 4,1 (d, 2H); 7,4 (s, 1H); 7,6 (dd, 1H); 7,62 (dd, 1H).
MS (ESI): 431 (MH)+.
Východiskový materiál sa pripraví nasledovne:
K roztoku etyl 4-piperidínkarboxylátu (30 g, 0,19 mol) v etylacetáte (150 ml), ochladenom na teplotu 5 °C, sa po kvapkách pridá roztok diterc-butyl hydrogenuhličitanu (41,7 g 0,19 mol) v etylacetáte (75 ml), pričom sa teplota udržiava v rozsahu 0 až 5 °C. Zmes sa mieša 48 hodín pri teplote okolia a naleje sa do vody (300 ml). Organická vrstva sa oddelí a postupne sa premyje vodou (200 ml), 0,1 M vodnou kyselinou chlorovodíkovou (200 ml), nasýteným hydrogenuhličitanom sodným (200 ml) a soľankou (200 ml), suší sa (MgSOj a odparí sa. Získa sa tak etyl 4-( 1 -ferc-butyloxykarbonylpiperidin)karboxylát (48 g, 98 %).
’H NMR spektrum: (CDC13) 1,25 (t, 3H); 1,45 (s, 9H); 1,55-1,70 (m, 2H); 1,8-2,0 (d, 2H); 2,35-2,5 (m, 1H); 2,7-2,95 (t, 2H); 3,9-4,1 (široký s, 2H); 4,15 (q, 2H).
K roztoku etyl 4-(l-terc-butoxykarbonylpiperidin)karboxylátu (48 g, 0,19 mol) v suchom THF (180 ml), ochladenému na teplotu 0 °C, sa po kvapkách pridá roztok IM lítiumaluminiumhydridu v THF (133 ml, 0,133 mol). Po dvojhodinovom miešaní pri teplote 0 °C sa pridá najskôr voda (30 ml), a potom 2M hydroxid sodný (10 ml). Zrazenina sa filtruje cez infuzóriovú hlinku a premyje sa etylacetátom. Filtrát sa premyje vodou, soľankou, suší sa (MgSO4) a odparí sa. Získa sa tak 4-hydroxymetyl-l-ferc-butyloxykarbonylpiperidín (36,3 g, 89 %).
’H NMR spektrum: (CDC13) 1,05-1,2 (m, 2H); 1,35-1,55 (m, 10H); 1,6-1,8 (m, 2H); 2,6-2,8 (t, 2H); 3,4-3,6 (t, 2H); 4,0-4,2 (široký s, 2H).
MS (EI): 215 (M')+.
K roztoku 4-hydroxymetyl-l-ferc-butyloxykarbonylpiperidínu (52,5 g, 0,244 mol) v terc-butylmetyléteri (525 ml) sa pridá l,4-diazabicyklo[2,2,2]oktán (42,4 g, 0,378 mol). Zmes sa mieša 15 minút pri teplote okolia, potom sa ochladí na teplotu 5 °C a po kvapkách sa v priebehu 2 hodín pridá roztok toluénsulfonylchloridu (62,8 g, 0,33 mmol) v terc-butylmetylesteri (525 ml), pričom teplota sa udržiava na 0 °C. Po hodinovom miešaní pri teplote okolia sa pridá petroléter (1 1). Zrazenina sa odstráni filtráciou, filtrát sa odparí a získa sa pevná látka, ktorá sa rozpustí v éteri, a postupne sa premyje 0,5 M vodnou kyselinou chlorovodíkovou (2x500 ml), vodou, nasýteným roztokom hydrogenuhličitanu sodného a soľankou, potom sa suší (MgSO4) a odparí. Získa sa tak 4-(4-metylfenylsulfonyloxymetyl)-l-terc-butyloxykarbonylpiperidín (76,7 g, 85 %).
H NMR spektrum: (CDC13) 1,0-1,2 (m, 2H); 1,45 (s, 9H); 1,65 (d, 2H); 1,75-1,9 (m, 2H); 2,45 (s, 3H); 2,552,75 (m, 2H); 3,85 (d, 1H); 4,0-4,2 (široký s, 2H); 7,35 (d, 2H); 7,8 (d, 2H).
MS (ESI): 392 (MNa)+.
K suspenzii etyl 3-metoxy-4-hydroxybenzoátu (19,6 g, 0,1 mol) a uhličitanu draselného (28 g, 0,2 mol) v suchom DMF (200 ml) sa pridá 4-(4-metylfenylsulfonyloxymetyl)-l-terc-butyloxykarbonylpiperidín (40 g, 0,1 mol). Zmes sa mieša 2,5 hodiny pri teplote 95 °C, a potom sa ochladí na teplotu okolia a rozdelí medzi vodu a zmes etylacetát/éter. Organická vrstva sa premyje vodou, soľankou, suší sa (MgSO4) a odparí sa. Výsledný olej sa kryštalizuje z petroléteru a suspenzia sa mieša cez noc pri teplote 5 °C. Pevná látka sa odoberie filtráciou, premyje sa petroléterom, suší sa vo vákuu a získa sa 3-metoxy-4-(l-terc-butyloxykarbonylpiperidín-4-ylmetoxy)benzoát (35 g, 89 %).
t.t. = 81 až 83 °C.
’H NMR spektrum: (CDC13) 1,2-1,35 (m, 2H); 1,4 (t, 3H); 1,48 (s, 9H) ; 1,8-1,9 (d, 2H); 2,0-2,15 (m, 2H); 2,75 (t, 2H); 3,9 (d, 2H); 3,95 (s, 3H); 4,05-4,25 (široký s, 2H); 4,35 (q, 2H); 6,85 (d, 1H); 7,55 (s, 1H); 7,65 (d, 1H).
MS (ESI): 416 (MNa)+.
Elementárna analýza: C2iH3iNO6.0,3 H2O
Nájdené: C, 63,4; H, 8,0; N, 3,5
Vypočítané: C, 63,2; H, 8,0; N, 3,5 %
K roztoku etyl 3-metoxy-4-(l-terc-butyloxykarbonylpiperidín-4-ylmetoxy)benzoátu (35 g, 89 mmol) v kyseline mravčej (35 ml) sa pridá formaldehyd (12M, 37 % vo vode, 35 ml, 420 mmol). Po trojhodinovom miešaní pri teplote 95 °C sa prchavé látky odstránia odparením. Zvyšok sa rozpustí v metylénchloride a pridá sa 3M chlorovodík v éteri (40 ml, 120 mmol). Po zriedení éterom sa zmes trituruje, pokiaľ sa nevytvorí pevná látka. Pevná látka sa odoberie filtráciou, premyje sa éterom a cez noc sa pri teplote 50 °C suší vo vákuu. Získa sa tak etyl 3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)benzoát (30,6 g, kvánt.).
H NMR spektrum: (DMSOd6) 1,29 (t, 3H); 1,5-1,7 (m, 2H); 1,95 (d, 2H); 2,0-2,15 (široký s, 1H); 2,72 (s, 3H); 2,9-3,l(m, 2H); 3,35-3,5 (široký s, 2H); 3,85 (s, 3H); 3,9-4,05 (široký s, 2H); 4,3 (q, 2H); 7,1 (d, 1H); 7,48 (s, 1H); 7,6 (d, 1H).
MS (ESI): 308 (MH)+.
Roztok etyl 3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)benzoátu (30,6 g, 89 mmol) v metylénchloride (75 ml) sa ochladí na teplotu 0 až 5 °C. Pridá sa najskôr TFA (37,5 ml), a potom po kvapkách v priebehu 15 minút roztok dymivej 24M kyseliny dusičnej (7,42 ml, 178 mmol) v metylénchloride (15 ml). Po skončení pridávania sa roztok zahreje a mieša sa 2 hodiny pri teplote okolia. Prchavé látky sa odstránia vo vákuu a zvyšok sa rozpustí v metylénchloride (50 ml). Roztok sa ochladí na teplotu 0 až 5 °C a pridá sa éter. Zrazenina sa odoberie filtráciou a suší sa vo vákuu pri teplote 50 °C. Pevná látka sa rozpustí v metylénchloride (500 ml) a pridá sa najskôr 3M chlorovodík v éteri (30 ml), a potom éter (500 ml). Pevná látka sa odoberie filtráciou a suší sa vo vákuu pri teplote 50 °C. Získa sa tak etyl 3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)-6-nitrobenzoát (28,4 g, 82 %).
H NMR spektrum: (DMSOdg) 1,3 (t, 3H); 1,45-1, 65 (m, 2H); 1,75-2,1 (m, 3H); 2,75 (s, 3H); 2,9-3,05 (m, 2H); 3,4-3,5 (d, 2H); 3,95 (s, 3H); 4,05 (d, 2H); 4,3 (q, 2H); 7,32 (s, 1H); 7,66 (s, 1H).
MS (ESI): 353 (MH)+.
Suspenzia etyl 3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)-6-nitrobenzoátu (3,89 g, 10 mmol) v metanole (80 ml), obsahujúca 10 % platinu na aktívnom uhlí (50 % vlhkosť) (389 mg) sa hydrogenizuje pri 0,18 MPa, pokiaľ nedôjde k zastaveniu adsorpcie vodíka. Zmes sa filtruje a filtrát sa odparí. Zvyšok sa rozpustí vo vode (30 ml) a upraví sa na pH 10 nasýteným roztokom hydrogenuhličitanu sodného. Zmes sa zriedi zmesou etylacetát/éter (1/1) a organická vrstva sa oddelí. Vodná vrstva sa potom extrahuje zmesou etylacetát/éter a organické vrstvy sa spoja. Organické vrstvy sa premyjú vodou, soľankou, sušia sa (MgSO4), filtrujú sa a odparia sa. Výsledná pevná látka sa trituruje zmesou éter/petroléter, filtruje sa, premyje sa petroléterom a suší sa pri teplote 60 °C vo vákuu. Získa sa tak etyl 6-amino-3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)benzoát (2,58 g, 80 %).
t.t. = 111 až 112 °C.
H NMR spektrum: (CDC13) 1,35 (t, 3H); 1,4-1,5 (m, 2H); 1,85 (m, 3H); 1,95 (t, 2H); 2,29 (s, 3H); 2,9 (d, 2H); 3,8 (s, 3H); 3,85 (d, 2H); 4,3 (q, 2H); 5,55 (široký s, 2H); 6,13 (s, 1H); 7,33 (s, 1H).
MS (ESI): 323 (MH)+.
Elementárna analýza: Ci7H2gN2O4.0,2 H2O
Nájdené: C, 62,8; H, 8,5; N, 8,3
Vypočítané: C, 62,6; H, 8,2; N, 8,6 %
Roztok etyl 6-amino-3-metoxy-4-(l-metylpiperidín-4-ylmetoxy)benzoátu (16,1 g, 50 mmol) v 2-metoxyetanole (160 ml), obsahujúci formamidínacetát (5,2 g, 50 mmol), sa zahrieva 2 hodiny pri teplote 115 °C. V priebehu 4 hodín sa každých 30 minút po častiach pridáva formamidínacetát (10,4 g, 100 mmol). Zahrievanie pokračuje ešte 30 minút po poslednom pridaní. Po ochladení sa prchavé látky odstránia vo vákuu. Pevná látka sa rozpustí v etanole (100 ml) a metylénchloride (50 ml). Zrazenina sa odstráni filtráciou a filtrát sa koncentruje na výsledný objem 100 ml. Suspenzia sa ochladí na teplotu 5 °C, pevná látka sa odoberie filtráciou, premyje sa najskôr studeným etanolom, a potom éterom, cez noc sa pri teplote 60 °C suší vo vákuu a získa sa 6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)-3,4-dihydrochinazolín-4-ón (12,7 g, 70 %).
’H NMR spektrum: (DMSOdg) 1,25-1,4 (m, 2H); 1,75 (d, 2H); 1,9 (t, 1H); 1,9 (s, 3H); 2,16 (s, 2H); 2,8 (d, 2H); 3,9 (s, 3H); 4,0 (d, 2H); 7,11 (s, 1H); 7,44 (s, 1H); 7,97 (s, 1H).
MS (ESI): 304 (MH)+.
Roztok 6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)-3,4-dihydrochinazolín-4-ónu (2,8 g, 9,24 mmol) v tionylchloride (28 ml), obsahujúci DMF (280 μΐ), sa zahrieva pri teplote 85 °C 1 hodinu pri spätnom toku. Po ochladení sa prchavé látky odstránia odparením. Zrazenina sa trituruje s éterom, filtruje sa, premyje sa vodou a suší sa vo vákuu. Pevná látka sa rozpustí v metylénchloride a pridá sa nasýtený vodný hydrogenuhličitan sodný. Organická vrstva sa oddelí, premyje sa vodou a soľankou, suší sa (MgSO4) a odparí sa. Získa sa tak 4-chlór-6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)chinazolín (2,9 g, 98 %).
H NMR spektrum: (DMSOdg) 1,3-1,5 (m, 2H); 1,75-1,9 (m, 3H); 2,0 (t, 1H); 2,25 (s, 3H); 2,85 (d, 2H); 4,02 (s, 3H); 4,12 (d, 2H); 7,41 (s, 1H); 7,46 (s, 1H); 8,9 (s, 1H).
MS (ESI): 322 (MH)+.
Príklad 3 (pôvodný príklad 237) - referenčný
H
Roztok 4-chlór-6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)-chinazolínu (2 g, 6,22 mmol), (pripravený, ako je opísané pre východiskový materiál v príklade 2 (pôvodný príklad 10)) a 4-fluór-5-hydroxy-2-metylindolu (1,23 g, 7,46 mmol) v DMF (30 ml) obsahujúcom uhličitan draselný (1,28 g, 9,33 mmol) sa mieša 2 hodiny pri teplote 95 °C. Po ochladení sa prchavé podiely odstránia vo vákuu a zvyšok sa trituruje s éterom, filtruje a suší vo vákuu. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním zmesou rnetanol/rnetylénchlorid (1/9), a potom zmesou metanol/metanol nasýtený amoniakom/metylénchlorid (20/1/79 a potom 20/5/75). Frakcie obsahujúce očakávaný produkt sa spoja a odparia. Pevná látka sa trituruje s metanolom, filtruje a suší vo vákuu a získa sa tak 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-((l-metylpiperidín-4-yl)metoxy)chinazolín (1,95 g, 69 %).
MS (ESI): 451 (MH)+.
’H NMR spektrum: (DMSOdg) 1,4 (m, 2H); 1,8 (d, 2H); 1,7-1,9 (m, 1H); 1,9 (t, 2H); 2,2 (s, 3H); 2,45 (s, 3H); 2,8 (d, 2H); 4,02 (s, 3H); 4,1 (d, 2H); 6,25 (s, 1H); 7,0 (dd, 1H); 7,2 (d, 1H); 7,4 (s, 1H); 7,62 (s, 1H); 8,5 (s, 1H).
Elementárna analýza: C25H27FN4O3.0,91 metanol.0,08 CH2C12.O,1 H2O
Nájdené: C, 64,2; H, 6,5; N, 11,7 Vypočítané: C, 63,9; H, 6,4; N, 11,5 %
Východiskový materiál sa pripraví nasledovne:
K roztoku 2-fluór-4-nitroanizolu (9,9 g, 58 mmol) a 4-chlórfenoxyacetonitrilu (10,7 g, 64 mmol) v DMF (50 ml) ochladené na -15 °C sa pridá ferc-butoxid draselný (14,3 g, 127 mmol) v DMF (12 ml). Po miešaní počas 30 minút pri -15°C sa zmes naleje na ochladenú IN kyselinu chlorovodíkovú. Zmes sa extrahuje etylacetátom. Organická vrstva sa premyje IN hydroxidom sodným, soľankou, suší (MgSO4) a odparí. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním metylénchloridom. Frakcie obsahujúce očakávaný produkt sa spoja a odparia. Zvyšok sa rozpustí v etanole (180 ml) a kyseline octovej (24 ml) obsahujúcej 10 % paládia na aktívnom uhlí (600 mg) a zmes sa 2 hodiny hydrogenizuje pri tlaku 0,3 MPa. Zmes sa filtruje a prchavé podiely sa odstránia vo vákuu. Zvyšok sa rozdelí medzi etylacetát a vodu. Organická vrstva sa oddelí a premyje nasýteným hydrogenuhličitanom sodným, a potom soľankou, suší (MgSO4) a odparí. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním metylénchloridom a získa sa tak zmes 4-fluór-5-metoxyindolu a 6-fluór-5-metoxyindolu (5,64 g, 59 %) v pomere 1/2.
'H NMR spektrum: (DMSOd6) 3,85 (s, 3H); 6,38 (s, 1H, 6-fluór); 6,45 (s, 1H, 4-fluór); 6,9-7,4 (m, 3H).
Roztok 4-fluór-5-metoxyindolu a 6-fluór-5-metoxyindolu v pomere 1/2 (496 mg, 3 mmol), ditercbutylkarbonátu (720 mg, 3,3 mmol) v acetonitrile (12 ml) obsahujúcom DMAP (18 mg, 0,15 mmol) sa mieša 24 hodín pri teplote okolia. Prchavé podiely sa odstránia vo vákuu. Zvyšok sa rozpustí v etylacetáte, premyje IN kyselinou chlorovodíkovou, potom vodou, soľankou, suší sa (MgSO4) a odparí a získa sa tak zmes 4-fluór-5-metoxy-l-terc-butoxykarbonylindolu a 6-fluór-5-metoxy-l-terc-butoxykarbonylindolu v pomere 1/2 (702 mg, 88 %).
H NMR spektrum: (DMSOd6) 1,65 (s, 9H); 3,9 (s, 3H); 6,6 (d, 1H, 6-fluór); 6,72 (d, 1H, 4-fluór); 7,2 (t, 1H, 6-fluór); 7,4 (d, 1H, 4-fluór); 7,62 (d, 1H, 6-fluór); 7,68 (d, 1H, 4-fluór); 7,78 (s, 1H, 4-fluór); 7,85 (s, 1H, 6fluór).
K roztoku 4-fluór-5-metoxy-l-terc-butoxykarbonylindolu a 6-fluór-5-metoxy-l-terc-butoxykarbonylindolu v pomere 1/2(8,1 g, 30,5 mmol) v THF (100 ml) ochladenému na -65 °C sa pridá terc-butyllítium (1,7 M) (23 ml, 35,7 mmol). Po miešaní pri -70 °C počas 4 hodín sa pridá metyljodid (8,66 g, 61 mmol) a zmes sa zahreje na teplotu okolia. Pridá sa voda a zmes sa extrahuje éterom. Organická vrstva sa premyje vodou, soľankou, suší (MgSO4) a odparí sa a použije sa priamo v ďalšom postupe. Surový produkt sa rozpustí v metylénchloride (100 ml) a pridá sa TFA (25 ml). Po hodinovom miešaní pri teplote okolia sa prchavé podiely odstránia vo vákuu. Zvyšok sa rozpustí v etylacetáte a organická vrstva sa premyje IN hydroxidom sodným, potom vodou, soľankou, suší sa (MgSO4) a odparí sa. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním zmesou etylacetát/petroléter (3/7) a získa sa tak 6-fluór-5-metoxy-2-metylindol (1,6 g) a 4-fluór-5-metoxy-2-metylindol (0,8 g, 48 %).
6-fluór-5-metoxy-2-metylindol:
MS (ESI): 180 (MH)+.
H NMR spektrum: (DMSOdg) 2,35 (s, 3H); 3,8 (s, 3H); 6,05 (s, 1H); 7,1 (s, 1H); 7,12 (s, 1H); 10,8 (s, 1H). 4-fluór-5-metoxy-2-metylindol:
MS (ESI): 180 (MH)+.
H NMR spektrum: (DMSOd6) 2,35 (s, 3H); 3,8 (s, 3H); 6,15 (s, 1H); 6,9 (t, 1H); 7,05 (d, 1H); 11,0 (s, 1H).
K roztoku 4-fluór-5-metoxy-2-metylindolu (709 mg, 3,95 mmol) v metylénchloride (9 ml) ochladenom na -30 °C sa pridá roztok bromidu boritého (2,18 g, 8,7 mmol) v metylénchloride (1 ml). Po hodinovom miešaní pri teplote okolia sa zmes naleje na vodu a zriedi metylénchloridom. pH vodnej vrstvy sa upraví na 6. Organická vrstva sa oddelí, premyje vodou, soľankou, suší sa (MgSO4) a odparí sa. Zvyšok sa čistí stĺpcovou chromatografiou, eluovaním zmesou etylacetát/petroléter (3/7) a získa sa tak 4-fluór-5-hydroxy-2-metylindol (461 mg, 70 %).
MS (ESI): 166 (MH)+.
’H NMR spektrum: (DMSOdg) 2,35 (s, 3H); 6,05 (s, 1H); 6,65 (dd, 1H); 6,9 (d, 1H); 8,75 (s, 1H); 10,9 (s, 1H).
13C NMR spektrum: (DMSOdg) 13,5; 94,0; 106,0; 112; 118,5 (d); 132 (d); 136 (d); 136,5 (d); 142,5 (d). Alternatívne je možné pripraviť 4-fluór-5-hydroxy-2-metylindol nasledovne:
K suspenzii hydridu sodného (5,42 g, 226 mmol) (dopredu premytému pentánom) v THF (100 ml) ochladenom pri 10 °C sa pridá etylacetoacetát (29,4 g, 226 mmol), pričom sa teplota udržiava na teplote pod 15 °C. Po skončení pridávania sa zmes ďalej mieša 15 minút a ochladí sa na 5 °C. Pridá sa roztok 1,2,3-trifluór-4-nitrobenzénu (20 g, 113 mmol) v THF (150 ml) pričom sa teplota udržiava pod 5 °C. Zmes sa potom zahreje na teplotu okolia a mieša 24 hodín. Prchavé podiely sa odstránia vo vákuu a zvyšok sa rozdelí medzi etylacetát a 2N vodnú kyselinu chlorovodíkovú. Organická vrstva sa premyje vodou, soľankou, suší sa (MgSO4) a odparí sa. Zvyšok sa rozpustí v koncentrovanej kyseline chlorovodíkovej (650 ml) a kyseline octovej (600 ml) a zmes sa 15 hodín zahrieva pri spätnom toku. Po ochladení sa prchavé podiely odstránia vo vákuu a zvyšok sa rozdelí medzi vodný hydrogenuhličitan sodný (5 %) a etylacetát. Organická vrstva sa premyje hydrogenuhličitanom sodným, vodou, soľankou, suší sa (MgSO4) a odparí sa. Zvyšok sa čistí stíp11 covou chromatografiou eluovaním zmesou etylacetát/petroléter (75/25) a získa sa tak 3-acetylmetyl-l,2-difluór-4-nitrobenzén (17,5 g, 72 %).
H NMR spektrum: (CDC13) 2,4 (s, 3H); 4,25 (s, 2H); 7,25 (dd, 1H); 8,0 (dd, 1H).
Roztok 3-acetylmetyl-l,2-difluór-4-nitrobenzénu (500 mg, 2,3 mmol) v metylénchloride (5 ml) obsahujúci montmorilonit K10 (1 g) a trimetylortoformiát (5 ml) sa mieša 24 hodín pri teplote okolia. Pevná látka sa filtruje, premyje metylénchloridom a filtrát sa odparí a získa sa tak l,2-difluór-3-(2,2-dimetoxypropyl)-4-nitrobenzén (534 mg, 88 %).
H NMR spektrum: (CDC13) 1,2 (s, 3H); 3,2 (s, 6H); 3,52 (s, 2H); 7,18 (dd, 1H); 7,6 (m, 1H).
K roztoku benzylalkoholu (221 mg, 2,05 mmol) v DMA (1,5 ml) sa pridá 60 % hydrid sodný (82 mg,
2,05 mmol). Zmes sa mieša 1 hodinu pri teplote okolia. Pridá sa roztok l,2-difluór-3-(2,2-dimetoxypropyl)-4-nitrobenzénu (534 mg, 2,05 mmol) v DMA (1,5 ml) a zmes sa mieša 3 hodiny pri teplote okolia. Zmes sa zriedi IN kyselinou chlorovodíkovou (10 ml) a extrahuje sa etylacetátom. Organická vrstva sa odparí a zvyšok sa rozpustí v THF (2 ml) a pridá sa 6N kyselina chlorovodíková (0,3 ml). Zmes sa mieša 1 hodinu pri teplote okolia a rozpúšťadlá sa odstránia vo vákuu. Zvyšok sa rozdelí medzi etylacetát a vodu. Organická vrstva sa oddelí, premyje soľankou, suší sa (MgSO4) a odparí sa. Pevná látka sa trituruje s éterom, filtruje, premyje sa éterom a suší sa vo vákuu a získa sa tak 3-acetylmetyl-l-benzyloxy-2- fluór-4-nitrobenzén (350 mg, 56 %).
H NMR spektrum: (CDC13) 2,35 (s, 3H); 4,25 (s, 2H); 5,25 (s, 2H); 7,0 (dd, 1H); 7,32-7,5 (m, 5H); 8,0 (dd, 1H).
Roztok 3-acetylmetyl-l-benzyloxy-2-fluór-4-nitrobenzénu (300 mg, 0,99 mmol) v etanole (10 ml) a kyseline octovej (1 ml) obsahujúci 10 % paládium na aktívnom uhlí (30 mg) sa hydrogenizuje 2 hodiny pri tlaku 0,2 MPa. Zmes sa filtruje a filtrát sa odparí. Zvyšok sa rozpustí v etylacetáte a organická vrstva sa premyje vodným hydrogenuhličitanom sodným, soľankou a odparí sa a získa sa tak 4-fluór-5-hydroxy-2-metylindol. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním zmesou etylacetát/petroléter (3/7) a získa sa tak 4-fluór-5-hydroxy-2-metylindol (63 mg, 30 %).
Analogické údaje, ako sú opísané skôr.
Alternatívne je možné pripraviť 4-fluór-5-metoxy-2-metylindol nasledovne:
Roztok metoxidu sodného (čerstvo pripraveného zo sodíka (1,71 g) a metanolu (35 ml)) sa pridá k roztoku l,2-difluór-3-(2,2-dimetoxypropyl)-4-nitrobenzénu (16,2 g, 62 mmol), (pripravenému ako je opísané skôr), v metanole (200 ml) ochladenom na 5 °C. Zmes sa zahreje na teplotu okolia a mieša sa 3 dni. Prchavé podiely sa odstránia vo vákuu a zvyšok sa rozdelí medzi etylacetát a 2N kyselinu chlorovodíkovú (1 ml). Organická vrstva sa koncentruje na celkový obsah 100 ml a pridá sa THF (100 ml) a 6N kyselina chlorovodíková (25 ml). Zmes sa mieša 1 hodinu pri teplote okolia. Prchavé podiely sa odstránia vo vákuu a zvyšok sa rozdelí medzi etylacetát a vodu. Organická vrstva sa oddelí, premyje vodou, soľankou, suší sa (MgSO4) a odparí sa. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním zmesou etylacetát/petroléter (3/7) a získa sa tak 3-acetylmetyl-2-fluór-l-metoxy-4-nitrobenzén (12,7 g, 90 %).
MS (ESI): 250 (MNa)+.
H NMR spektrum: (CDC13) 2,38 (s, 3H); 4,0 (s, 3H); 4,25 (s, 2H); 7,0 (dd, 1H); 8,05 (d, 1H).
K roztoku 3-acetylmetyl-2-fluór-l-metoxy-4-nitrobenzénu (11,36 g, 50 mmol) v acetóne (200 ml) sa pridá 4M vodný octan amónny (700 ml) a po kvapkách sa pridá roztok chloridu titanitého (15 % vo vode, 340 ml). Zmes sa mieša 10 minút pri teplote okolia a extrahuje sa éterom. Organická vrstva sa premyje 0,5N vodným hydroxidom sodným, a potom vodou, soľankou, suší sa (MgSO4) a prchavé podiely sa odstránia vo vákuu. Zvyšok sa čistí stĺpcovou chromatografiou eluovaním metylénchloridom a získa sa 4-fluór-5-metoxy-2-metylindol (8,15 g, 90 %).
H NMR spektrum: (DMSO) 2,35 (s, 3H); 3,8 (s, 3H); 6,1 (s, 1H); 6,85 (dd, 1H); 7,02 (d, 1H).
Štiepenie 4-fluór-5-metoxy-2-metylindolu bromidom boritým, ktorým sa získa 4-fluór-5-hydroxy-2-metylindol, je opísané skôr.
Príklad 4 (pôvodný príklad 240)
S použitím postupu opísaného v príklade 3 (v pôvodnom príklade 237) reaguje 4-chlór-6-metoxy-7-(3-(pyrolidín-l-yl)- propoxy)chinazolín (2 g, 6,22 mmol) (pripravený, ako je opísané pre východiskový materiál v príklade 1) (pôvodný príklad 9) so 4-fluór-5-hydroxy-2-metylindolom (1,23 g, 7,46 mmol) (pripravený, ako je opísané pre východiskový materiál v príklade 3) (pôvodný príklad 237)) a získa sa tak 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-pyrolidín-l-yl)propoxy)chinazolín (1,41 g, 50 %).
MS (ESI): 451 (MH)+.
H NMR spektrum: (DMSOd6) 1,7 (široký s, 4H); 2,0 (m, 2H); 2,41 (s, 3H); 2,5 (široký s, 4H); 2,6 (t, 2H);
4,0 (s, 3H); 4,25 (t, 2H) ; 6,25 (s, 1H); 7,0 (dd, 1H) ; 7,2 (d, 1H) ; 7,4 (s, 1H); 7,6 (s, 1H); 8,5 (s, 1H). Elementárna analýza: C25H27FN4O3.l,08 H2O.0,16 metanol Nájdené: C, 63,3; H, 6,4; N, 11,9
Vypočítané: C, 63,6; H, 6,3; N, 11,8 %
Nasledujúce údaje ilustrujú reprezentatívne farmaceutické dávkové formy obsahujúce zlúčeninu vzorca (I) alebo jej farmaceutický prijateľnú soľ (ďalej zlúčeninu vzorca (X)) na terapeutické alebo profylaktické použitie u človeka:
mg/tableta 100 182,75 12,0 pasta 2,25 (a)
3,0 mg/tableta
223,75
6,0 pasta 15,0
2.25 3,0 mg/tableta
1,0
93.25 4,0 pasta0,75
1,0 mg/tableta
488.5
1.5
I 50 mg/ml 5,0 % hmotn./obj. 15,0 % obj ./obj.
Tableta I Zlúčenina X Laktóza Ph. Eur.
Kroskarmelóza sodná Kukuričná škrobová (5 % hmotn./obj. pasta)
Stearát horečnatý (b) Tableta II Zlúčenina X Laktóza Ph. Eur.
Kroskarmelóza sodná Kukuričná škrobová (5 % hmotn./obj. pasta)
Polyvinylpyrolidón Stearát horečnatý (c) Tableta III Zlúčenina X Laktóza Ph. Eur.
Kroskarmelóza sodná Kukuričná škrobová 5 % hmotn./obj. pasta)
Stearát horečnatý (d) Kapsuly Zlúčenina X Laktóza Ph. Eur.
Stearát horečnatý (e) Injekcia Zlúčenina X
IN roztok hydroxidu sodného 0,1 N kyselina chlorovodíková (na úpravu pH na 7,6)
Polyetylénglykol 400 Voda do 100 % (f) Injekcia Zlúčenina X Fosforečnan sodný BP 0,1 N roztok hydro xidu Voda do 100 % (g) Injekcia III Zlúčenina X Fosforečnan Kyselina
Polyetylénglykol 400 Voda do 100 %
Uvedené formulácie sa môžu získať bežnými postupmi, ktoré sú vo farmácii známe. Tablety (a) až (c) sa môžu entericky potiahnuť bežnými spôsobmi, napríklad obalom z acetátftalátu celulózy.
4.5 % hmotn./obj.
II10 mg/ml 1,0 % hmotn./obj.
3.6 % hmotn./obj. sodného 15,0 % obj ./obj.
mg/ml, pufrované na pH 6 0,1 % hmotn./obj. sodný BP 2,26 % hmotn./obj. citrónová 0,38 % hmotn./obj. 3,5 % hmotn./obj.
PATENTOVÉ NÁROKY
Claims (2)
1. Použitie zlúčeniny 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín alebo jej farmaceutický prijateľnej soli a jedného alebo viacerých terapeutických činidiel zvolených z (i) d’al5 šieho antiangiogénneho činidla, ktoré pôsobí mechanizmom odlišným ako inhibícia VEGF receptorov tyrozinkinázy; (ii) cytostatického činidla; (iii) antiproliferačného/antineoplastického liečiva alebo ich kombinácie; (iv) modifikátora biologickej odozvy; a (v) protilátky na výrobu liečiva na poskytnutie antiangiogénneho účinku a/alebo účinku zníženia permeability ciev u teplokrvných živočíchov, ako je človek.
2. Použitie zlúčeniny 4-(4-fluór-2-metylindol-5-yloxy)-6-metoxy-7-(3-(pyrolidín-l-yl)propoxy)chinazolín
10 alebo jej farmaceutický prijateľnej soli a jedného alebo viacerých terapeutických činidiel zvolených z (i) ďalšieho antiangiogénneho činidla, ktoré pôsobí mechanizmom odlišným ako inhibícia VEGF receptorov tyrozinkinázy; (ii) cytostatického činidla; (iii) antiproliferačného/antineoplastického liečiva alebo ich kombinácie; (iv) modifikátora biologickej odozvy; a (v) protilátky na výrobu liečiva na liečenie rakoviny teplokrvných živočíchov ako je človek.
15 3. Použitie podľa nároku 2, kde rakovinou je rakovina hrubého čreva, prsníka, prostaty, pľúc alebo kože.
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| PCT/GB2000/000373 WO2000047212A1 (en) | 1999-02-10 | 2000-02-08 | Quinazoline derivatives as angiogenesis inhibitors |
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| SK5029-2011A SK288365B6 (sk) | 1999-02-10 | 2000-02-08 | Medziprodukty pre chinazolínové deriváty ako inhibítory angiogenézy |
| SK1140-2001A SK288138B6 (sk) | 1999-02-10 | 2000-02-08 | Quinazoline derivatives as angiogenesis inhibitors |
| SK50002-2013A SK288378B6 (sk) | 1999-02-10 | 2000-02-08 | Použitie chinazolínových derivátov ako inhibítorov angiogenézy |
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| SK1140-2001A SK288138B6 (sk) | 1999-02-10 | 2000-02-08 | Quinazoline derivatives as angiogenesis inhibitors |
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| MK4A | Patent expired |
Expiry date: 20200208 |