JP5154546B2 - タキサン誘導体の調製法 - Google Patents
タキサン誘導体の調製法Info
- Publication number
- JP5154546B2 JP5154546B2 JP2009508174A JP2009508174A JP5154546B2 JP 5154546 B2 JP5154546 B2 JP 5154546B2 JP 2009508174 A JP2009508174 A JP 2009508174A JP 2009508174 A JP2009508174 A JP 2009508174A JP 5154546 B2 JP5154546 B2 JP 5154546B2
- Authority
- JP
- Japan
- Prior art keywords
- carbonate
- compound
- boc
- iii
- reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002360 preparation method Methods 0.000 title description 2
- DKPFODGZWDEEBT-QFIAKTPHSA-N taxane Chemical class C([C@]1(C)CCC[C@@H](C)[C@H]1C1)C[C@H]2[C@H](C)CC[C@@H]1C2(C)C DKPFODGZWDEEBT-QFIAKTPHSA-N 0.000 title description 2
- -1 N-Boc-β-isobutylserinyl Chemical group 0.000 claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000021736 acetylation Effects 0.000 claims description 6
- 238000006640 acetylation reaction Methods 0.000 claims description 6
- PVFOMCVHYWHZJE-UHFFFAOYSA-N trichloroacetyl chloride Chemical compound ClC(=O)C(Cl)(Cl)Cl PVFOMCVHYWHZJE-UHFFFAOYSA-N 0.000 claims description 6
- UCPYLLCMEDAXFR-UHFFFAOYSA-N triphosgene Chemical compound ClC(Cl)(Cl)OC(=O)OC(Cl)(Cl)Cl UCPYLLCMEDAXFR-UHFFFAOYSA-N 0.000 claims description 5
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 30
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- FNZPZCTVRVPPAB-YZSQHPIKSA-N 14beta-Hydroxy-10-deacetylbaccatin III Natural products O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](O)[C@H](O)[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 FNZPZCTVRVPPAB-YZSQHPIKSA-N 0.000 description 7
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 7
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- 238000005160 1H NMR spectroscopy Methods 0.000 description 6
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 0 C*c1ccc(C(*([C@]2CC(C)C)C(OC(C)(C)C)=O)O[C@]2C(O[C@@]2C(C)=C([C@](C([C@](C)([C@](C[C@@]3OC4)OC(C(Cl)(Cl)Cl)=O)[C@]([C@@]5OC(c6ccccc6)=O)[C@@]34OC(C)=O)=O)OC(C)=O)C(C)(C)C53O**C23)=O)c(OC)c1 Chemical compound C*c1ccc(C(*([C@]2CC(C)C)C(OC(C)(C)C)=O)O[C@]2C(O[C@@]2C(C)=C([C@](C([C@](C)([C@](C[C@@]3OC4)OC(C(Cl)(Cl)Cl)=O)[C@]([C@@]5OC(c6ccccc6)=O)[C@@]34OC(C)=O)=O)OC(C)=O)C(C)(C)C53O**C23)=O)c(OC)c1 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 235000019439 ethyl acetate Nutrition 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000004440 column chromatography Methods 0.000 description 3
- PSHKMPUSSFXUIA-UHFFFAOYSA-N n,n-dimethylpyridin-2-amine Chemical compound CN(C)C1=CC=CC=N1 PSHKMPUSSFXUIA-UHFFFAOYSA-N 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- YWLXLRUDGLRYDR-ZHPRIASZSA-N 5beta,20-epoxy-1,7beta,10beta,13alpha-tetrahydroxy-9-oxotax-11-ene-2alpha,4alpha-diyl 4-acetate 2-benzoate Chemical compound O([C@H]1[C@H]2[C@@](C([C@H](O)C3=C(C)[C@@H](O)C[C@]1(O)C3(C)C)=O)(C)[C@@H](O)C[C@H]1OC[C@]12OC(=O)C)C(=O)C1=CC=CC=C1 YWLXLRUDGLRYDR-ZHPRIASZSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- AOJJSUZBOXZQNB-TZSSRYMLSA-N Doxorubicin Chemical compound O([C@H]1C[C@@](O)(CC=2C(O)=C3C(=O)C=4C=CC=C(C=4C(=O)C3=C(O)C=21)OC)C(=O)CO)[C@H]1C[C@H](N)[C@H](O)[C@H](C)O1 AOJJSUZBOXZQNB-TZSSRYMLSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- DCFKHNIGBAHNSS-UHFFFAOYSA-N chloro(triethyl)silane Chemical compound CC[Si](Cl)(CC)CC DCFKHNIGBAHNSS-UHFFFAOYSA-N 0.000 description 2
- 125000006239 protecting group Chemical group 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- UPQQXPKAYZYUKO-UHFFFAOYSA-N 2,2,2-trichloroacetamide Chemical compound OC(=N)C(Cl)(Cl)Cl UPQQXPKAYZYUKO-UHFFFAOYSA-N 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 208000008839 Kidney Neoplasms Diseases 0.000 description 1
- 206010061535 Ovarian neoplasm Diseases 0.000 description 1
- WYNCHZVNFNFDNH-UHFFFAOYSA-N Oxazolidine Chemical compound C1COCN1 WYNCHZVNFNFDNH-UHFFFAOYSA-N 0.000 description 1
- 206010061902 Pancreatic neoplasm Diseases 0.000 description 1
- 241001116498 Taxus baccata Species 0.000 description 1
- 235000009065 Taxus cuspidata Nutrition 0.000 description 1
- 241001330449 Taxus wallichiana Species 0.000 description 1
- JXLYSJRDGCGARV-WWYNWVTFSA-N Vinblastine Natural products O=C(O[C@H]1[C@](O)(C(=O)OC)[C@@H]2N(C)c3c(cc(c(OC)c3)[C@]3(C(=O)OC)c4[nH]c5c(c4CCN4C[C@](O)(CC)C[C@H](C3)C4)cccc5)[C@@]32[C@H]2[C@@]1(CC)C=CCN2CC3)C JXLYSJRDGCGARV-WWYNWVTFSA-N 0.000 description 1
- 150000001225 Ytterbium Chemical class 0.000 description 1
- 229940009456 adriamycin Drugs 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 239000012455 biphasic mixture Substances 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 210000001072 colon Anatomy 0.000 description 1
- 201000011024 colonic benign neoplasm Diseases 0.000 description 1
- 208000029742 colonic neoplasm Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 208000037841 lung tumor Diseases 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 230000002611 ovarian Effects 0.000 description 1
- 201000002528 pancreatic cancer Diseases 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 208000023958 prostate neoplasm Diseases 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- LAYPMCGIWDGYKX-UHFFFAOYSA-N trichloromethyl hydrogen carbonate Chemical compound OC(=O)OC(Cl)(Cl)Cl LAYPMCGIWDGYKX-UHFFFAOYSA-N 0.000 description 1
- QVMRVWAOMIXFFW-UHFFFAOYSA-N triethyl(fluoro)silane Chemical compound CC[Si](F)(CC)CC QVMRVWAOMIXFFW-UHFFFAOYSA-N 0.000 description 1
- 229960003048 vinblastine Drugs 0.000 description 1
- JXLYSJRDGCGARV-XQKSVPLYSA-N vincaleukoblastine Chemical compound C([C@@H](C[C@]1(C(=O)OC)C=2C(=CC3=C([C@]45[C@H]([C@@]([C@H](OC(C)=O)[C@]6(CC)C=CCN([C@H]56)CC4)(O)C(=O)OC)N3C)C=2)OC)C[C@@](C2)(O)CC)N2CCC2=C1NC1=CC=CC=C21 JXLYSJRDGCGARV-XQKSVPLYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/10—Spiro-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/357—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Epidemiology (AREA)
- Epoxy Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Description
(b)1,14ヒドロキシ基のカーボネート化、
(c)10−ヒドロキシ基のアセチル化、
(d)ステップ(c)の生成物の(4S,5R)−N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−1−オキサゾリジン−5−カルボン酸との反応、
(e)トリエチルシリル基およびジメトキシベンジリデン基の、ステップ(d)の生成物からの切断。
(b’)1,14ヒドロキシ基のカーボネート化、
(c’)7−ヒドロキシ基のシリル化、
(d’)ステップ(c’)からの生成物の、(4S,5R)−N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−1−オキサゾリジン−5−カルボン酸との反応、
(e’)トリエチルシリル基およびジメトキシベンジリデン基のステップ(d’)の生成物からの切断。
発明の説明
前記の欠点は、ホスゲンの代わりにビス(トリクロロメチル)カーボネートでステップ(b’)を行い、トリエチルシリルクロライドの代わりにトリクロロアセチルクロライドでステップ(c’)を行うことにより克服できることが、今や判明した。
実施例
実施例1
14β−ヒドロキシバッカチンIII(V)(ステップa)
14β−ヒドロキシ−10−デアセチルバッカチンIII(VII)(10kg)を、THF(45L)中に懸濁させ、CeCl3・7H2O(0.5kg)を加えた。無水酢酸(6.6kg)を20分かけて、その反応混合物を室温で2時間攪拌し、次いで水(10L)を加えてクエンチした。THFを真空下で留去し、その残留物を、水分量が10%未満になるまで乾燥させ、次いで酢酸エチルから結晶化させ、白色固体として表題化合物(8.2kg、収率85%)を得た。
実施例2
14β−ヒドロキシバッカチンIII−1,14−カーボネート(VI)(ステップb)
14β−ヒドロキシバッカチンIII(VIII)(5.0kg)を、ジクロロメタン(48.0L)とピリジン(8.0kg)の混合物に溶解した。その反応混合物を、−10℃に冷却し、ビス(トリクロロメチルカーボネート)(5.4kg)のジクロロメタン(32.0L)溶液を30分かけて加えた。その反応物を、水(55.0L)に溶解した炭酸ナトリウム溶液(11.9kg)を加えてクエンチし、生成した二相混合物を1時間攪拌し、次いで水で希釈した。その相を分離し、水相をジクロロメタン(23.8L)で抽出した。有機相をプールし、20%塩酸(40L)で洗浄し、次いで水(30.0L)とブライン(40L)で洗浄した。溶媒の一部を、真空下で留去し、表題化合物(VI)の溶液を次のステップで直接に使用した。
実施例3
7−トリクロロアセチル−14−ヒドロキシバッカチンIII−1,14カーボネート(VII)(ステップc)
前のステップからの溶液に、ピリジン(2L)を加え、−10℃に冷却した。トリクロロアセチルクロライド(1.6kg)を、−10℃と0℃の間の温度に維持しながら15分かけて加えた。その反応混合物を、同温度で2時間攪拌した。その反応物を、NaHSO4(2kg)の水(20L)溶液を加えてクエンチした。その相を分離し、水相をジクロロメタン(2L)で抽出した。その合わせた有機相を、小容量になるまで蒸発させ、トルエン(20L)を加えた。その溶媒を、蒸留ヘッドが110℃の温度に達するまで大気圧で留去した。冷却すると、表題化合物は、白色の固体として結晶化し、それを濾過し、真空下で乾燥させた(4.96kg、2ステップの収率85%)。
実施例4
(7−トリクロロアセチル)−13−(N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−5−オキサゾリジニル)−14β−ヒドロキシバッカチン−1,14−カーボネート(VIII)(ステップd)
7−トリクロロアセチル−14−ヒドロキシバッカチンIII−1,14−カーボネート(IV)(4.96kg)およびジメチルアミノピリジン(DMAP)(100g)を、(4S,5R)−N−Boc−(2,4−ジメトキシフェニル)−4−イソブチル−1−オキサゾリジン−5−カルボン酸(4.0kg)のジクロロメタン(60L)溶液に加えた。その反応混合物を5℃に冷却し、そこへジシクロヘキシルカルボジイミド(2.5kg)のジクロロメタン(18L)溶液を30分かけて加えると、白色の懸濁液が得られ、これを3時間攪拌した。DCUを、濾過し、ジクロロメタン(4L)で洗浄した。生成した溶液を、pH3.5のリン酸緩衝液(100L)とブライン(50L)とで順に洗浄し、これにメタノールを加えて、表題化合物(VIII)の結晶化を起こし、それを60℃真空下で乾燥させた(収率:6.9kg、92%)。
実施例5
13−(N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−5−オキサゾリジニル)−14β−ヒドロキシバッカチン−1,14−カーボネート(IX)(ステップe)
(7−トリクロロアセチル)−13−(N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−5−オキサゾリジニル)−14β−ヒドロキシバッカチン−1,14−カーボネート(VIII)(6.9kg)を、N−メチルピロリドン(11L)に溶解した。2Mアンモニアのメタノール(293mL)溶液を、その反応混合物に10分かけて加え、室温で45分間攪拌した。反応混合物を、水(110L)に1時間かけて加え、30分間攪拌した。その生成物を、濾過し、水(50L)で洗浄した。表題化合物(IX)を、60℃真空下で乾燥させた(6.14kg、99%)。
実施例6
13−(N−Boc−4−イソブチル−5−オキサゾリジニル)−14β−ヒドロキシバッカチン−1,14−カーボネート(I)(ステップf)
13−(N−Boc−2−(2,4−ジメトキシフェニル)−4−イソブチル−5−オキサゾリジニル)−14β−ヒドロキシバッカチン−1,14−カーボネート(IX)(6.1kg)を、CH2Cl2(20L)に溶解した。その溶液を0℃に冷却し、これに0℃で0.5M HClのメタノール(12L)溶液を滴下して加え、生成した混合物を室温で4時間攪拌した。
Claims (3)
- 以下のステップを含む13−(N−Boc−β−イソブチルセリニル)−14−β−ヒドロキシバッカチンIII−1,14−カーボネート(I)の調製法であって、
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EP06009813A EP1854799B1 (en) | 2006-05-12 | 2006-05-12 | Process for the preparation of a taxane derivative |
EP06009813.4 | 2006-05-12 | ||
PCT/EP2007/003643 WO2007131601A1 (en) | 2006-05-12 | 2007-04-25 | A process for the preparation of a taxane derivative |
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DE3269190D1 (en) * | 1982-09-03 | 1986-03-27 | Wieland Werke Ag | Finned tube with internal projections and method and apparatus for its manufacture |
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Publication number | Publication date |
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ATE507231T1 (de) | 2011-05-15 |
WO2007131601A1 (en) | 2007-11-22 |
CN101448839B (zh) | 2011-09-21 |
BRPI0711805B1 (pt) | 2020-09-24 |
DE602006021546D1 (de) | 2011-06-09 |
AR061088A1 (es) | 2008-08-06 |
ZA200809613B (en) | 2010-02-24 |
BRPI0711805B8 (pt) | 2021-05-25 |
NO334210B1 (no) | 2014-01-13 |
NO20084753L (no) | 2008-11-11 |
DK1854799T3 (da) | 2011-07-18 |
CN101448839A (zh) | 2009-06-03 |
BRPI0711805A2 (pt) | 2011-12-06 |
RU2008144391A (ru) | 2010-05-20 |
PE20080398A1 (es) | 2008-05-26 |
UY30341A1 (es) | 2007-11-30 |
ES2363524T3 (es) | 2011-08-08 |
KR20090015923A (ko) | 2009-02-12 |
RU2434014C2 (ru) | 2011-11-20 |
IL195220A (en) | 2014-03-31 |
HK1111985A1 (en) | 2008-08-22 |
IL195220A0 (en) | 2009-08-03 |
CA2652008C (en) | 2014-12-30 |
EP1854799A1 (en) | 2007-11-14 |
JP2009536928A (ja) | 2009-10-22 |
EP1854799B1 (en) | 2011-04-27 |
CA2652008A1 (en) | 2007-11-22 |
KR101402122B1 (ko) | 2014-05-30 |
MX2008014447A (es) | 2008-11-26 |
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