KR860008181A - 7-치환된 바이시클릭 피라졸리디논의 제조방법 - Google Patents
7-치환된 바이시클릭 피라졸리디논의 제조방법 Download PDFInfo
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- KR860008181A KR860008181A KR1019860003251A KR860003251A KR860008181A KR 860008181 A KR860008181 A KR 860008181A KR 1019860003251 A KR1019860003251 A KR 1019860003251A KR 860003251 A KR860003251 A KR 860003251A KR 860008181 A KR860008181 A KR 860008181A
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- alkyl
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- 238000004519 manufacturing process Methods 0.000 title claims 2
- NDGRWYRVNANFNB-UHFFFAOYSA-N pyrazolidin-3-one Chemical compound O=C1CCNN1 NDGRWYRVNANFNB-UHFFFAOYSA-N 0.000 title abstract 2
- 125000002619 bicyclic group Chemical class 0.000 title 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract 37
- 125000003710 aryl alkyl group Chemical group 0.000 claims abstract 27
- 239000001257 hydrogen Substances 0.000 claims abstract 27
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract 27
- 150000001875 compounds Chemical class 0.000 claims abstract 22
- 150000002431 hydrogen Chemical group 0.000 claims abstract 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 10
- 125000002252 acyl group Chemical group 0.000 claims abstract 8
- -1 bicyclic pyrazolidinone compound Chemical class 0.000 claims abstract 8
- 238000000034 method Methods 0.000 claims abstract 8
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract 8
- 150000001767 cationic compounds Chemical class 0.000 claims abstract 7
- 229910001411 inorganic cation Inorganic materials 0.000 claims abstract 7
- 150000002892 organic cations Chemical class 0.000 claims abstract 7
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract 5
- 231100000252 nontoxic Toxicity 0.000 claims abstract 5
- 230000003000 nontoxic effect Effects 0.000 claims abstract 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract 4
- 150000002148 esters Chemical class 0.000 claims abstract 4
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract 3
- 125000005843 halogen group Chemical group 0.000 claims abstract 3
- 125000006239 protecting group Chemical group 0.000 claims abstract 3
- 150000003839 salts Chemical class 0.000 claims abstract 3
- 125000001246 bromo group Chemical group Br* 0.000 claims abstract 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract 2
- 125000001153 fluoro group Chemical group F* 0.000 claims abstract 2
- 125000002346 iodo group Chemical group I* 0.000 claims abstract 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract 2
- 125000005544 phthalimido group Chemical group 0.000 claims abstract 2
- 125000004953 trihalomethyl group Chemical group 0.000 claims abstract 2
- 230000002503 metabolic effect Effects 0.000 claims 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims 2
- STKARFFXWORTNB-UHFFFAOYSA-N 2,3-dihydro-1h-pyrazolo[1,2-a]pyrazol-5-one Chemical compound C1CCN2C(=O)C=CN21 STKARFFXWORTNB-UHFFFAOYSA-N 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 150000000475 acetylene derivatives Chemical class 0.000 claims 1
- 229940100198 alkylating agent Drugs 0.000 claims 1
- 239000002168 alkylating agent Substances 0.000 claims 1
- 230000029936 alkylation Effects 0.000 claims 1
- 238000005804 alkylation reaction Methods 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- MKRTXPORKIRPDG-UHFFFAOYSA-N diphenylphosphoryl azide Chemical compound C=1C=CC=CC=1P(=O)(N=[N+]=[N-])C1=CC=CC=C1 MKRTXPORKIRPDG-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 230000000269 nucleophilic effect Effects 0.000 claims 1
- 125000001453 quaternary ammonium group Chemical group 0.000 claims 1
- 150000003672 ureas Chemical class 0.000 claims 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 abstract 9
- 125000000547 substituted alkyl group Chemical group 0.000 abstract 8
- 125000000217 alkyl group Chemical group 0.000 abstract 2
- 208000035143 Bacterial infection Diseases 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 230000000845 anti-microbial effect Effects 0.000 abstract 1
- 239000004599 antimicrobial Substances 0.000 abstract 1
- 208000022362 bacterial infectious disease Diseases 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 abstract 1
- 239000008194 pharmaceutical composition Substances 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D231/08—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with oxygen or sulfur atoms directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/645—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having two nitrogen atoms as the only ring hetero atoms
- C07F9/6503—Five-membered rings
- C07F9/65031—Five-membered rings having the nitrogen atoms in the positions 1 and 2
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Molecular Biology (AREA)
- Oncology (AREA)
- General Chemical & Material Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Communicable Diseases (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (8)
- (A) 하기식(Ⅲ)의 일라이드를 하기식(Ⅳ)의 아세틸렌유도체와 반응시키거나; (B) 하기식(Ⅱ)의 화합물을 비-친핵성 염기로 처리하거나; (C) 하기식(Ⅴ)의 화합물을 염기성 조건하에 폐환시키거나; (D) 하기식(Ⅵ)의 화합물을 일반식 P(OR9)3의 화합물로 폐환시키거나; (E) R1또는 R2가 -COOR14이고 R9및/또는 R14가 카복시 보호그룹인 하기식(Ⅰ)의 화합물을 보호기 제거하거나; (F) R5및 R6가 수소인 하기식(Ⅰ)의 화합물을 아실화시켜, R5및 R6중 하나가 C1-C30카복실산으로부터 유도된 아실그룹인 화합물을 수득하고, 필요시 분자내의 모든 보호그룹을 제거하거나; (G) 하기식(Ⅶ)의 화합물을 염기의 존재하에 디페닐포스포릴 아지드와 반응시키고, 이어서 일반식 R8OH의 알콜과 반응시켜 하기 식(Ⅷ)의 우레아유도체를 수득하거나; (H) 하기식(Ⅸ)의 화합물을 가열분해하여 R2가 할로인 하기식(Ⅰ)의 화합물을 수득하거나; (Ⅰ) 하기식(Ⅹ)의 화합물을 제2구리 화합물로 처리하여 R2가 히드록시인 하기식(J)의 화합물을 수득하거나; (J) R2가 -OL이고 L이 수소 또는 이탈그룹인 하기식(Ⅰ)의 화합물을 알킬화제로 알킬화시켜 R2가 -OR11이고 R11이 수소가 아닌 하기식(Ⅰ)의 화합물을 수득하거나; (K) R2가 -OH인하기식(Ⅰ)의 화합물을 일반식 R12R13NH의 아민 또는 이의 염과 반응시킴을 특징으로 하는, 하기식(Ⅰ)의 화합물 또는 이의 약제학적으로 허용되는 염의 제조방법.상기식에 있어서, R1및 R2중 하나는 수소, 할로, C1-C6알킬, C1-C6치환된 알킬, 퍼플루오로 C2-C4알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐, 치환된 페닐, 헤테로시클릭 환, 니트로 또는 시아노; 일반식 -CX3[X는 플루오로, 클로로, 브로모 또는 요오도이다]의 그룹; 일반식[Z는 0.1 또는 2이고, R7은 C1-C6알킬, C1-치환된 알킬, 페닐, 치환된 페닐, C6-C7아릴알킬, C12-C7치환된 아릴알킬 도는 헤테로시클릭 환이다]의 그룹; 일반식 -COR8[R8은 수소, C1-C6알킬, C1-C6치환된 알킬, 퍼플루오로 C2-C4알킬, 트리할로메틸, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐, 치환된 페닐, 아미노, (모노 치환된) 아미노 또는 (디치환된)아미노이다]의 그룹; 일반식 -COOR9[R9는 수소, 유기 또는 무기 양이온, C1-C6알킬, C1-C6치환된 알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐, 치환된 페닐, 카복시 부호그룹, 또는 무독성 대사성 에스테르형성 그룹이다]의 그룹; 일반식 -PO3(R10)2[R10은 수소, 유기 또는 무기양이온, C1-C6알킬, C1-C6치환된 알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐 또는 치환된 페닐이다]의 그룹; 일반식는 4급 암모늄 그룹이다]의 그룹; 구조식 -CH2-S-헤테로시클릭환의 그룹; 일반식 -OR11[R11은 수소, C1-C6알킬, C1-C6치환된 알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐, 치환된 페닐 또는 C1-C7아실이다]의 그룹; 또는 일반식 -NR12R13[R12및 R13은 동일 또는 상이하며, 수소, C1-C6알킬, C1-C6치환된 알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐, 치환된 페닐, C1-C7아실 또는 일반식(Rq는 C1-C6알킬, C7-C12아릴알킬 또는 페닐이다)의 그룹이다]의 그룹이고; R1및 R2중 다른 하나는 일반식 -COOR14[R14는 수소, 유기또는 무기양이온, 카복시보호그룹, 또는 무독성 대사성 에스테르 형성 그룹이다]의 그룹이며; R3및 R4는 동일 또는 상이하며, 수소, C1-C6알킬, C1-C6치환된 알킬, C7-C12아릴알킬, C7-C12치환된 아릴알킬, 페닐,치환된 페닐, 또는 일반식 -COOR15[R15는 R9의 정의와 동일하다]의 그룹이고; R5및 R6는 각각 수소 아미노 보호그룹 또는 C1-C30카복실산으로부터 유도된 아실그룹[단, R5및 R6중 적어도 하나는 수소이다]이거나; R5와 R6는 함께 프탈이미도 그룹을 형성하며; Q1및 Q2중하나는 일반식 -SO2Y [Y는 C1-C6알킬, C1-C6치환된 알킬, 페닐, 치환된 페닐, C7-C12아릴알킬 또는 C7-C12치환된 아릴알킬이다]의 그룹이고, 다른 하나는 수소이며; R9는 C1-C6알킬 또는 페닐이다.
- 제1항에 있어서, R1또는 R2가 헤테로시클릭환; 일반식 -COR8[R8은 아미노, (모노 치환된) 아미노, (디치환된)아미노이다] 또는 일반식 OR11또는 -NR12R13의 그룹이 아닌 일반식(Ⅰ) 화합물의 제조방법.
- 제1 또는 2항에 있어서, R1이 COOR14[R14는 수소, 유기 또는 무기 양이온, 또는 무독성대사성 에스테르 형성 그룹이다]인 방법.
- 제1항에 있어서, R5가 수소이고, R6가 C1-C30카복실산으로 부터 유도된 아실 그룹인 방법.
- 제1항에 있어서, R3및 R4가 수소인 방법.
- 제1항에 있어서, R2가 시아노 또는 CH2-2-헤테로시클릭 환인 방법.
- 제1항에 있어서, 7-NR5R6그룹의 배위가 S인 방법.
- 제1항에 있어서, 2-(카복실산)-3-시아노-7-[2-(2-아미노티아졸-4-일)-2-(Z)-메톡시이미노아세트아미도]8-옥소-1.5-디아지바이시클로[3.3.0]옥타-2-엔의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72902185A | 1985-04-30 | 1985-04-30 | |
US729,021 | 1985-04-30 | ||
US729021 | 1985-04-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR860008181A true KR860008181A (ko) | 1986-11-12 |
KR880001092B1 KR880001092B1 (ko) | 1988-06-23 |
Family
ID=24929253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019860003251A KR880001092B1 (ko) | 1985-04-30 | 1986-04-28 | 7-치환된 바이시클릭 피라졸리디논 및 그의 제조방법 |
Country Status (16)
Country | Link |
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US (4) | US4716232A (ko) |
EP (1) | EP0202046B1 (ko) |
JP (2) | JPH0759582B2 (ko) |
KR (1) | KR880001092B1 (ko) |
CN (1) | CN86103619A (ko) |
AT (1) | ATE60605T1 (ko) |
AU (1) | AU5675586A (ko) |
CA (1) | CA1274832A (ko) |
DE (1) | DE3677253D1 (ko) |
DK (1) | DK193086A (ko) |
ES (1) | ES8801833A1 (ko) |
GR (1) | GR861118B (ko) |
HU (1) | HUT40660A (ko) |
IL (1) | IL78634A0 (ko) |
PT (1) | PT82468B (ko) |
ZA (2) | ZA863170B (ko) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
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DK193086A (da) * | 1985-04-30 | 1987-01-20 | Lilly Co Eli | 7-substituerede bicycliske pyrazolidinoner, fremgangsmaade til fremstilling heraf og mellemprodukter til brug ved fremgangsmaaden |
US4940718A (en) * | 1985-04-30 | 1990-07-10 | Eli Lilly And Company | 7-substituted bicyclic pyrazolidinones, pharmaceutical compositions and use |
US4935536A (en) * | 1987-05-21 | 1990-06-19 | Millipore Corporation | Protecting groups for asparagine and glutamine in peptide synthesis |
IL86095A0 (ko) * | 1987-09-30 | 1988-09-30 | Lilly Co Eli | |
US5011938A (en) * | 1989-10-02 | 1991-04-30 | Eli Lilly And Company | 7-substituted bicyclic pyrazolidinones |
US5430145A (en) * | 1990-10-18 | 1995-07-04 | Merrell Dow Pharmaceuticals Inc. | Mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and ace |
US5308841A (en) * | 1990-12-21 | 1994-05-03 | Merrell Dow Pharmaceuticals Inc. | Amino and nitro containing tricyclic compounds useful as inhibitors of ACE |
EP0534363B1 (en) * | 1991-09-27 | 1997-07-09 | Merrell Pharmaceuticals Inc. | Novel 2-substituted indane-2-mercaptoacetylamide derivatives useful as inhibitors of enkephalinase and ace |
US5455242A (en) * | 1991-09-27 | 1995-10-03 | Merrell Dow Pharmaceuticals Inc. | Carboxyalkyl tricyclic derivatives useful as inhibitors of enkephalinase and ace |
US5457196A (en) * | 1991-09-27 | 1995-10-10 | Merrell Dow Pharmaceuticals Inc. | 2-substituted indane-2-carboxyalkyl derivatives useful as inhibitors of enkephalinase and ACE |
NZ246811A (en) * | 1992-02-14 | 1996-02-27 | Merrell Dow Pharma | N-[pyrido (and oxazino and thiazino) benzazepine] 1-benzyl-1-(heterocyclyl(alkyl)carbonylthio) acetamide derivatives and pharmaceutical compositions |
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-
1986
- 1986-04-28 DK DK193086A patent/DK193086A/da not_active Application Discontinuation
- 1986-04-28 HU HU861763A patent/HUT40660A/hu unknown
- 1986-04-28 AU AU56755/86A patent/AU5675586A/en not_active Abandoned
- 1986-04-28 EP EP86303174A patent/EP0202046B1/en not_active Expired - Lifetime
- 1986-04-28 KR KR1019860003251A patent/KR880001092B1/ko not_active IP Right Cessation
- 1986-04-28 IL IL78634A patent/IL78634A0/xx unknown
- 1986-04-28 GR GR861118A patent/GR861118B/el unknown
- 1986-04-28 CA CA000507777A patent/CA1274832A/en not_active Expired - Lifetime
- 1986-04-28 DE DE8686303174T patent/DE3677253D1/de not_active Expired - Lifetime
- 1986-04-28 CN CN198686103619A patent/CN86103619A/zh active Pending
- 1986-04-28 ZA ZA863170A patent/ZA863170B/xx unknown
- 1986-04-28 ES ES554463A patent/ES8801833A1/es not_active Expired
- 1986-04-28 PT PT82468A patent/PT82468B/pt unknown
- 1986-04-28 AT AT86303174T patent/ATE60605T1/de not_active IP Right Cessation
- 1986-04-30 JP JP61100817A patent/JPH0759582B2/ja not_active Expired - Lifetime
- 1986-05-14 US US06/862,913 patent/US4716232A/en not_active Expired - Fee Related
- 1986-05-14 US US06/862,918 patent/US4734504A/en not_active Expired - Lifetime
- 1986-05-14 US US06/862,909 patent/US4734505A/en not_active Expired - Lifetime
- 1986-10-28 JP JP61258084A patent/JPS63112583A/ja active Pending
-
1987
- 1987-10-29 US US07/114,897 patent/US4795815A/en not_active Expired - Lifetime
-
1988
- 1988-04-13 ZA ZA882604A patent/ZA882604B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0202046A1 (en) | 1986-11-20 |
ZA863170B (en) | 1987-12-30 |
ES8801833A1 (es) | 1988-02-16 |
JPH0759582B2 (ja) | 1995-06-28 |
US4734504A (en) | 1988-03-29 |
DK193086D0 (da) | 1986-04-28 |
AU5675586A (en) | 1986-11-13 |
CA1274832A (en) | 1990-10-02 |
US4734505A (en) | 1988-03-29 |
US4716232A (en) | 1987-12-29 |
IL78634A0 (en) | 1986-08-31 |
DE3677253D1 (de) | 1991-03-07 |
CN86103619A (zh) | 1986-10-29 |
DK193086A (da) | 1987-01-20 |
HUT40660A (en) | 1987-01-28 |
PT82468A (en) | 1986-05-01 |
PT82468B (en) | 1988-03-23 |
ATE60605T1 (de) | 1991-02-15 |
ZA882604B (en) | 1989-12-27 |
JPS61254589A (ja) | 1986-11-12 |
JPS63112583A (ja) | 1988-05-17 |
EP0202046B1 (en) | 1991-01-30 |
GR861118B (en) | 1986-08-18 |
KR880001092B1 (ko) | 1988-06-23 |
ES554463A0 (es) | 1988-02-16 |
US4795815A (en) | 1989-01-03 |
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