CA2127272A1 - Halogenation using halo-vilsmeier reagent - Google Patents
Halogenation using halo-vilsmeier reagentInfo
- Publication number
- CA2127272A1 CA2127272A1 CA002127272A CA2127272A CA2127272A1 CA 2127272 A1 CA2127272 A1 CA 2127272A1 CA 002127272 A CA002127272 A CA 002127272A CA 2127272 A CA2127272 A CA 2127272A CA 2127272 A1 CA2127272 A1 CA 2127272A1
- Authority
- CA
- Canada
- Prior art keywords
- reagent
- process according
- vilsmeier reagent
- halogen
- chloride
- 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.)
- Abandoned
Links
- 230000026030 halogenation Effects 0.000 title claims description 7
- 238000005658 halogenation reaction Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000003637 steroidlike Effects 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 45
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 36
- 239000003153 chemical reaction reagent Substances 0.000 claims description 35
- 150000001875 compounds Chemical class 0.000 claims description 25
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 claims description 18
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 claims description 14
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 claims description 14
- 239000002904 solvent Substances 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 10
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims description 10
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 150000003948 formamides Chemical class 0.000 claims description 7
- 229910000042 hydrogen bromide Inorganic materials 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 6
- 150000002576 ketones Chemical class 0.000 claims description 6
- 239000012453 solvate Substances 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- YCCXQARVHOPWFJ-UHFFFAOYSA-M magnesium;ethane;chloride Chemical compound [Mg+2].[Cl-].[CH2-]C YCCXQARVHOPWFJ-UHFFFAOYSA-M 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 150000001408 amides Chemical class 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- XIXYNENNFUBWFK-UHFFFAOYSA-M bromomethylidene(dimethyl)azanium;bromide Chemical group [Br-].C[N+](C)=CBr XIXYNENNFUBWFK-UHFFFAOYSA-M 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical group [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 claims description 4
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- -1 alkyl lithium Chemical compound 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 3
- 229910006069 SO3H Inorganic materials 0.000 claims description 2
- 150000004703 alkoxides Chemical class 0.000 claims description 2
- 150000003857 carboxamides Chemical group 0.000 claims description 2
- 230000005595 deprotonation Effects 0.000 claims description 2
- 238000010537 deprotonation reaction Methods 0.000 claims description 2
- 150000004795 grignard reagents Chemical class 0.000 claims description 2
- FRIJBUGBVQZNTB-UHFFFAOYSA-M magnesium;ethane;bromide Chemical group [Mg+2].[Br-].[CH2-]C FRIJBUGBVQZNTB-UHFFFAOYSA-M 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims 5
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 150000004678 hydrides Chemical class 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 150000001993 dienes Chemical class 0.000 abstract description 4
- 125000001475 halogen functional group Chemical group 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 239000000243 solution Substances 0.000 description 18
- 239000012074 organic phase Substances 0.000 description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 10
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 8
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 8
- 239000000725 suspension Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- BTOJSYRZQZOMOK-UHFFFAOYSA-N 4-chloro-7-(4-methylphenyl)sulfonylpyrrolo[2,3-d]pyrimidine Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1C2=NC=NC(Cl)=C2C=C1 BTOJSYRZQZOMOK-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 150000002430 hydrocarbons Chemical group 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 150000003431 steroids Chemical class 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- VWYOARFPMUBYFG-ZTPZMMAUSA-N (8r,9s,10s,13r,14s,17r)-10,13-dimethyl-17-[(2r)-6-methylhept-6-en-2-yl]-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one Chemical compound C1CC2CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@@H](CCCC(C)=C)C)[C@@]1(C)CC2 VWYOARFPMUBYFG-ZTPZMMAUSA-N 0.000 description 1
- ZYEAZCNZFTUVNG-GYKMGIIDSA-N (8s,9s,10r,13r,14s,17r)-3-bromo-10,13-dimethyl-17-[(2r)-6-methylheptan-2-yl]-2,7,8,9,11,12,14,15,16,17-decahydro-1h-cyclopenta[a]phenanthrene Chemical compound C1C=C2C=C(Br)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 ZYEAZCNZFTUVNG-GYKMGIIDSA-N 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- BQCGLFCQDOUJOH-UHFFFAOYSA-N [C].C(C)OCC Chemical compound [C].C(C)OCC BQCGLFCQDOUJOH-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001347 alkyl bromides Chemical class 0.000 description 1
- 230000009435 amidation Effects 0.000 description 1
- 238000007112 amidation reaction Methods 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 230000021523 carboxylation Effects 0.000 description 1
- 238000006473 carboxylation reaction Methods 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- FZFAMSAMCHXGEF-UHFFFAOYSA-N chloro formate Chemical class ClOC=O FZFAMSAMCHXGEF-UHFFFAOYSA-N 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- QQVDYSUDFZZPSU-UHFFFAOYSA-M chloromethylidene(dimethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)=CCl QQVDYSUDFZZPSU-UHFFFAOYSA-M 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000006251 dihalogenation reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 239000012434 nucleophilic reagent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000003431 oxalo group Chemical group 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000001665 trituration Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J43/00—Normal steroids having a nitrogen-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J3/00—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom
- C07J3/005—Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by one carbon atom the carbon atom being part of a carboxylic function
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J41/00—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
- C07J41/0033—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
- C07J41/0066—Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by a carbon atom forming part of an amide group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Steroid Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81717992A | 1992-01-06 | 1992-01-06 | |
US07/817,179 | 1992-01-06 | ||
US94134892A | 1992-09-04 | 1992-09-04 | |
US07/941,348 | 1992-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2127272A1 true CA2127272A1 (en) | 1993-07-22 |
Family
ID=27124147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002127272A Abandoned CA2127272A1 (en) | 1992-01-06 | 1993-01-06 | Halogenation using halo-vilsmeier reagent |
Country Status (23)
Country | Link |
---|---|
EP (1) | EP0643723A4 (hu) |
JP (1) | JPH07505138A (hu) |
KR (1) | KR940703849A (hu) |
CN (1) | CN1077201A (hu) |
AP (1) | AP370A (hu) |
AU (1) | AU666167B2 (hu) |
BG (1) | BG98887A (hu) |
BR (1) | BR9305786A (hu) |
CA (1) | CA2127272A1 (hu) |
CZ (1) | CZ161994A3 (hu) |
FI (1) | FI943214A0 (hu) |
HU (1) | HUT68273A (hu) |
IL (1) | IL104302A (hu) |
MA (1) | MA22761A1 (hu) |
MX (1) | MX9300025A (hu) |
NO (1) | NO942535D0 (hu) |
NZ (1) | NZ246788A (hu) |
OA (1) | OA09961A (hu) |
RU (1) | RU94038223A (hu) |
SI (1) | SI9300006A (hu) |
SK (1) | SK80094A3 (hu) |
TW (1) | TW300226B (hu) |
WO (1) | WO1993014106A1 (hu) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5641765A (en) * | 1992-11-18 | 1997-06-24 | Smithkline Beecham Corporation | 17-αand 17-βsubstituted acyl-3-carboxy-3,5-dienes and use in inhibiting 5-α-reductase |
US5683995A (en) * | 1992-11-18 | 1997-11-04 | Smithkline Beecham Corporation | 17 substituted acyl-3-carboxy 3,5-diene steroidals as α-reductase inhibitors |
EA012414B1 (ru) | 2004-06-08 | 2009-10-30 | Темпл Юниверсити Оф Дзе Коммонвелт Систем Оф Хайер Эдьюкейшн | Гетероарилсульфоны и сульфонамиды и их терапевтические применения |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA883034B (en) * | 1987-04-29 | 1989-03-29 | Smithkline Beckman Corp | Steroid 5-alpha-reductase inhibitors |
-
1993
- 1993-01-04 IL IL104302A patent/IL104302A/en not_active IP Right Cessation
- 1993-01-05 MA MA23050A patent/MA22761A1/fr unknown
- 1993-01-05 AP APAP/P/1993/000473A patent/AP370A/en active
- 1993-01-06 BR BR9305786A patent/BR9305786A/pt not_active Application Discontinuation
- 1993-01-06 HU HU9402030A patent/HUT68273A/hu unknown
- 1993-01-06 CN CN93101175A patent/CN1077201A/zh active Pending
- 1993-01-06 WO PCT/US1993/000079 patent/WO1993014106A1/en not_active Application Discontinuation
- 1993-01-06 KR KR1019940702343A patent/KR940703849A/ko not_active Application Discontinuation
- 1993-01-06 AU AU34348/93A patent/AU666167B2/en not_active Ceased
- 1993-01-06 SK SK800-94A patent/SK80094A3/sk unknown
- 1993-01-06 RU RU94038223/04A patent/RU94038223A/ru unknown
- 1993-01-06 JP JP5512542A patent/JPH07505138A/ja active Pending
- 1993-01-06 EP EP93902957A patent/EP0643723A4/en not_active Ceased
- 1993-01-06 CA CA002127272A patent/CA2127272A1/en not_active Abandoned
- 1993-01-06 SI SI19939300006A patent/SI9300006A/sl unknown
- 1993-01-06 MX MX9300025A patent/MX9300025A/es unknown
- 1993-01-06 CZ CZ941619A patent/CZ161994A3/cs unknown
- 1993-01-06 NZ NZ246788A patent/NZ246788A/en unknown
- 1993-01-29 TW TW082100552A patent/TW300226B/zh active
-
1994
- 1994-07-04 OA OA60533A patent/OA09961A/en unknown
- 1994-07-05 NO NO942535A patent/NO942535D0/no unknown
- 1994-07-05 FI FI943214A patent/FI943214A0/fi unknown
- 1994-07-05 BG BG98887A patent/BG98887A/bg unknown
Also Published As
Publication number | Publication date |
---|---|
MX9300025A (es) | 1994-01-31 |
TW300226B (hu) | 1997-03-11 |
CZ161994A3 (en) | 1995-03-15 |
CN1077201A (zh) | 1993-10-13 |
AP9300473A0 (en) | 1993-01-31 |
AP370A (en) | 1994-11-10 |
KR940703849A (ko) | 1994-12-12 |
EP0643723A4 (en) | 1995-05-10 |
HUT68273A (en) | 1995-06-28 |
AU666167B2 (en) | 1996-02-01 |
HU9402030D0 (en) | 1994-09-28 |
JPH07505138A (ja) | 1995-06-08 |
IL104302A (en) | 1998-02-22 |
NO942535L (no) | 1994-07-05 |
BG98887A (bg) | 1995-05-31 |
AU3434893A (en) | 1993-08-03 |
FI943214L (fi) | 1994-07-05 |
OA09961A (en) | 1995-12-11 |
WO1993014106A1 (en) | 1993-07-22 |
NZ246788A (en) | 1996-11-26 |
BR9305786A (pt) | 1997-02-18 |
SK80094A3 (en) | 1994-12-07 |
IL104302A0 (en) | 1993-05-13 |
EP0643723A1 (en) | 1995-03-22 |
SI9300006A (en) | 1993-09-30 |
NO942535D0 (no) | 1994-07-05 |
RU94038223A (ru) | 1997-04-20 |
FI943214A0 (fi) | 1994-07-05 |
MA22761A1 (fr) | 1993-10-01 |
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