DE2733868C2 - Neue 1,2,4,5-Tetrahydro-3H-2-benzazepin-3-one, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel - Google Patents
Neue 1,2,4,5-Tetrahydro-3H-2-benzazepin-3-one, Verfahren zu ihrer Herstellung und diese enthaltende ArzneimittelInfo
- Publication number
- DE2733868C2 DE2733868C2 DE2733868A DE2733868A DE2733868C2 DE 2733868 C2 DE2733868 C2 DE 2733868C2 DE 2733868 A DE2733868 A DE 2733868A DE 2733868 A DE2733868 A DE 2733868A DE 2733868 C2 DE2733868 C2 DE 2733868C2
- Authority
- DE
- Germany
- Prior art keywords
- deep
- tetrahydro
- radical
- benzazepin
- meanings given
- 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
Links
- 238000000034 method Methods 0.000 title claims description 36
- 238000002360 preparation method Methods 0.000 title claims description 30
- SRQMOHGEWMZUOI-UHFFFAOYSA-N 1,2,4,5-tetrahydro-2-benzazepin-3-one Chemical class C1NC(=O)CCC2=CC=CC=C21 SRQMOHGEWMZUOI-UHFFFAOYSA-N 0.000 title claims description 23
- 230000008569 process Effects 0.000 title claims description 20
- 239000003814 drug Substances 0.000 title description 3
- 150000001875 compounds Chemical class 0.000 claims description 48
- -1 tetrahydro-2H-pyran-2-yloxy Chemical group 0.000 claims description 30
- 125000004432 carbon atom Chemical group C* 0.000 claims description 18
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims description 8
- 125000005843 halogen group Chemical group 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- JOGXEGGNJKSTNE-UHFFFAOYSA-N 8-methyl-1,2,4,5-tetrahydro-2-benzazepin-3-one Chemical compound C1CC(=O)NCC2=CC(C)=CC=C21 JOGXEGGNJKSTNE-UHFFFAOYSA-N 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- 239000007868 Raney catalyst Substances 0.000 claims description 5
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 5
- 229910000564 Raney nickel Inorganic materials 0.000 claims description 5
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 5
- 239000002585 base Substances 0.000 claims description 5
- 239000003085 diluting agent Substances 0.000 claims description 5
- SRNKAXARUZJZLW-UHFFFAOYSA-N 2-(3-oxo-4,5-dihydro-1h-2-benzazepin-2-yl)acetamide Chemical compound C1CC(=O)N(CC(=O)N)CC2=CC=CC=C21 SRNKAXARUZJZLW-UHFFFAOYSA-N 0.000 claims description 4
- POCNBPQSYBGIQA-UHFFFAOYSA-N 5-phenyl-1,2,4,5-tetrahydro-2-benzazepin-3-one Chemical compound C12=CC=CC=C2CNC(=O)CC1C1=CC=CC=C1 POCNBPQSYBGIQA-UHFFFAOYSA-N 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
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- 125000000217 alkyl group Chemical group 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 claims description 4
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- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 229940040526 anhydrous sodium acetate Drugs 0.000 claims description 3
- PRZKFIAKTRLPHM-UHFFFAOYSA-N 2,4-dimethyl-4,5-dihydro-1h-2-benzazepin-3-one Chemical compound C1N(C)C(=O)C(C)CC2=CC=CC=C21 PRZKFIAKTRLPHM-UHFFFAOYSA-N 0.000 claims description 2
- 125000001731 2-cyanoethyl group Chemical group [H]C([H])(*)C([H])([H])C#N 0.000 claims description 2
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- RYZKKYXZHVFOSM-UHFFFAOYSA-N 7-chloro-2-methyl-4,5-dihydro-1h-2-benzazepin-3-one Chemical compound C1CC(=O)N(C)CC2=CC=C(Cl)C=C21 RYZKKYXZHVFOSM-UHFFFAOYSA-N 0.000 claims description 2
- XWHKFXPYDKUILI-UHFFFAOYSA-N 7-methoxy-2-methyl-4,5-dihydro-1h-2-benzazepin-3-one Chemical compound C1N(C)C(=O)CCC2=CC(OC)=CC=C21 XWHKFXPYDKUILI-UHFFFAOYSA-N 0.000 claims description 2
- IWVIEJXHPCMNOK-UHFFFAOYSA-N 8-chloro-2-methyl-4,5-dihydro-1h-2-benzazepin-3-one Chemical compound C1CC(=O)N(C)CC2=CC(Cl)=CC=C21 IWVIEJXHPCMNOK-UHFFFAOYSA-N 0.000 claims description 2
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- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 238000005984 hydrogenation reaction Methods 0.000 claims description 2
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 2
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- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 3
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- 239000008194 pharmaceutical composition Substances 0.000 claims 1
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- 229910052938 sodium sulfate Inorganic materials 0.000 description 7
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- 229940126062 Compound A Drugs 0.000 description 4
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- QENKZUWPSOHMBN-AATRIKPKSA-N methyl (e)-3-(2-bromo-4-methylphenyl)prop-2-enoate Chemical compound COC(=O)\C=C\C1=CC=C(C)C=C1Br QENKZUWPSOHMBN-AATRIKPKSA-N 0.000 description 3
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/14—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
- C07D223/16—Benzazepines; Hydrogenated benzazepines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/10—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms
- C07C17/14—Preparation of halogenated hydrocarbons by replacement by halogens of hydrogen atoms in the side-chain of aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/16—Preparation of halogenated hydrocarbons by replacement by halogens of hydroxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C25/00—Compounds containing at least one halogen atom bound to a six-membered aromatic ring
- C07C25/02—Monocyclic aromatic halogenated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/52—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
- C07C57/58—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/52—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
- C07C57/58—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen containing six-membered aromatic rings
- C07C57/60—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen containing six-membered aromatic rings having unsaturation outside the rings
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hospice & Palliative Care (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pharmacology & Pharmacy (AREA)
- Psychiatry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB31846/76A GB1525845A (en) | 1976-07-30 | 1976-07-30 | 1,2,4,5-tetrahydro-3h-2-benzazepin-3-ones |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2733868A1 DE2733868A1 (de) | 1978-02-02 |
| DE2733868C2 true DE2733868C2 (de) | 1987-05-14 |
Family
ID=10329274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2733868A Expired DE2733868C2 (de) | 1976-07-30 | 1977-07-27 | Neue 1,2,4,5-Tetrahydro-3H-2-benzazepin-3-one, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0444924A1 (en) * | 1990-02-28 | 1991-09-04 | Suntory Limited | Fused 7-membered cyclic compound and antipsychotic preparation containing the same |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575689A (en) * | 1980-06-13 | 1982-01-12 | Toray Ind Inc | Unit for microcarrier cultivation |
| JPS57132877A (en) * | 1981-02-12 | 1982-08-17 | Hitachi Ltd | High-viscosity cultivation device |
| JP2699511B2 (ja) * | 1988-01-29 | 1998-01-19 | 武田薬品工業株式会社 | 置換アミン類 |
| US5395855A (en) * | 1990-05-07 | 1995-03-07 | Ciba-Geigy Corporation | Hydrazones |
| 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 |
| 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 |
| 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 |
| ZA927211B (en) * | 1991-09-27 | 1993-03-24 | Merrell Dow Pharma | Novel carboxyalkyl derivatives useful as inhibitors of enkephalinase and ACE. |
| DE69317764T2 (de) * | 1992-02-14 | 1998-07-30 | Merrell Pharmaceuticals Inc., Cincinnati, Ohio | Aminoacetylmercaptoacetylamid derivate mit enkephalinase- und ace-hemmwirkung |
| EP0640086B1 (en) * | 1992-05-15 | 1999-08-04 | Merrell Pharmaceuticals Inc. | MERCAPTOACETYLAMIDO PYRIDAZO[ 1,2-a][1,2]DIAZEPINE DERIVATIVES USEFUL AS INHIBITORS OF ENKEPHALINASE AND ACE |
| US5420271A (en) * | 1992-08-24 | 1995-05-30 | Merrell Dow Pharmaceuticals, Inc. | 2-substituted indane-2-mercaptoacetylamide tricyclic derivatives useful as inhibitors of enkephalinase |
| JP3420766B2 (ja) * | 1992-10-30 | 2003-06-30 | メレルダウファーマス−ティカルズ インコーポレイテッド | エンケファリナーゼ及びａｃｅの阻害剤として有用な新規なメルカプトアセチルアミド二環式ラクタム誘導体類 |
| DK0745081T3 (da) * | 1994-02-14 | 2002-05-21 | Merrell Pharma Inc | Indan-2-mercaptoacetylamiddisulfidderivater, der er anvendelige som enkephalinase-inhibitorer |
| CA2183314C (en) * | 1994-02-14 | 1999-08-31 | Gary A. Flynn | Novel 2-substituted indane-2-mercaptoacetylamide disulfide derivatives useful as inhibitors of enkephalinase and ace |
| ATE177098T1 (de) * | 1994-02-14 | 1999-03-15 | Merrell Pharma Inc | Mercaptoacetylamid disulfidderivate als enkephalinase und ace inhibitoren |
| US5530013A (en) * | 1994-02-14 | 1996-06-25 | American Home Products Corporation | Venlafaxine in the inducement of cognition enhancement |
| WO1995021854A1 (en) * | 1994-02-14 | 1995-08-17 | Merrell Pharmaceuticals Inc. | Novel mercaptoacetylamido 1,3,4,5-tetrahydro-benzo[c]azepin-3-one disulfide derivatives useful as inhibitors of enkephalinase and ace |
| US5484783A (en) * | 1994-03-24 | 1996-01-16 | Merrell Dow Pharmaceuticals Inc. | Hypocholesterolemic, antiatherosclerotic and hypotriglyceridemic mercaptoacetylamide and benzazapine derivatives |
| DE69531489T2 (de) * | 1994-03-24 | 2004-04-08 | Merrell Pharmaceuticals Inc., Cincinnati | Cholesterin senkende mercaptoacetylamiddisulfidderivate |
| EP0751783B1 (en) * | 1994-03-24 | 2000-02-02 | Merrell Pharmaceuticals Inc. | Hypocholesterolemic, antiatherosclerotic and hypotriglyceridemic use of aminoacetylmercapto derivatives |
| US6635632B1 (en) | 1996-12-23 | 2003-10-21 | Athena Neurosciences, Inc. | Cycloalkyl, lactam, lactone and related compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| US6683075B1 (en) | 1996-12-23 | 2004-01-27 | Athena Neurosciences, Inc. | Cycloalkyl, lactam, lactone and related compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use |
| US6509331B1 (en) | 1998-06-22 | 2003-01-21 | Elan Pharmaceuticals, Inc. | Deoxyamino acid compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| US6958330B1 (en) | 1998-06-22 | 2005-10-25 | Elan Pharmaceuticals, Inc. | Polycyclic α-amino-ε-caprolactams and related compounds |
| US6528505B1 (en) | 1998-06-22 | 2003-03-04 | Elan Pharmaceuticals, Inc. | Cyclic amino acid compounds pharmaceutical compositions comprising same and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| US6774125B2 (en) * | 1998-06-22 | 2004-08-10 | Elan Pharmaceuticals, Inc. | Deoxyamino acid compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| US6569851B1 (en) | 1998-06-22 | 2003-05-27 | Elan Pharmaceutials, Inc. | Cycloalkyl, lactam, lactone and related compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| US6552013B1 (en) | 1998-06-22 | 2003-04-22 | Elan Pharmaceuticals, Inc. | Deoxyamino acid compounds, pharmaceutical compositions comprising same, and methods for inhibiting β-amyloid peptide release and/or its synthesis by use of such compounds |
| CA2390376A1 (en) * | 1999-11-09 | 2001-05-17 | William Leonard Scott | .beta.-aminoacid compounds useful for inhibiting .beta.-amyloid peptide release and/or its synthesis |
| GB0119305D0 (en) | 2001-04-12 | 2001-10-03 | Aventis Pharma Gmbh | Mercaptoacetylamide derivatives,a process for their preparation and their use |
| KR100408919B1 (ko) * | 2001-06-25 | 2003-12-11 | 바이오네스트 주식회사 | 에피나스틴 염산염의 중간체인 2,6-모르판트리돈의 새로운제조방법 |
| US20050192265A1 (en) * | 2003-03-20 | 2005-09-01 | Thompson Richard C. | Cycloalkyl, lactam, lactone and related compounds, pharmaceutical compositions comprising same, and methods for inhibiting beta-amyloid peptide release and/or its synthesis by use of such compounds |
| KR101589551B1 (ko) * | 2005-07-15 | 2016-02-02 | 알바니 몰레큘라 리써치, 인크. | 아릴- 및 헤테로아릴-치환된 테트라히드로벤자제핀, 및 노르에피네프린, 도파민 및 세로토닌의 재흡수를 차단하기 위한 용도 |
| JP5098011B2 (ja) * | 2006-11-20 | 2012-12-12 | 国立大学法人山口大学 | 創傷治癒促進剤 |
| CN102796044A (zh) * | 2012-08-24 | 2012-11-28 | 南通大学 | 2,3,4,5-四氢-1h-2-苯并氮杂卓-1-酮衍生物的化学合成方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1472930A (fr) | 1965-04-02 | 1967-03-17 | Alphachimie | Nouveaux dérivés de la 2, 3, 4, 5-tétrahydro-(1eta)-2-benzazépine et leurs procédés de fabrication |
-
1976
- 1976-07-30 GB GB31846/76A patent/GB1525845A/en not_active Expired
-
1977
- 1977-07-26 NL NL7708275A patent/NL7708275A/xx not_active Application Discontinuation
- 1977-07-27 FR FR7723370A patent/FR2359826A1/fr active Granted
- 1977-07-27 DE DE2733868A patent/DE2733868C2/de not_active Expired
- 1977-07-27 US US05/819,279 patent/US4080449A/en not_active Expired - Lifetime
- 1977-07-27 BE BE1008302A patent/BE857191A/xx not_active IP Right Cessation
- 1977-07-29 JP JP9054777A patent/JPS5318591A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1472930A (fr) | 1965-04-02 | 1967-03-17 | Alphachimie | Nouveaux dérivés de la 2, 3, 4, 5-tétrahydro-(1eta)-2-benzazépine et leurs procédés de fabrication |
Non-Patent Citations (1)
| Title |
|---|
| NICHTS-ERMITTELT |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0444924A1 (en) * | 1990-02-28 | 1991-09-04 | Suntory Limited | Fused 7-membered cyclic compound and antipsychotic preparation containing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US4080449A (en) | 1978-03-21 |
| JPS6144866B2 (US06544258-20030408-M00015.png) | 1986-10-04 |
| GB1525845A (en) | 1978-09-20 |
| BE857191A (fr) | 1978-01-27 |
| FR2359826B1 (US06544258-20030408-M00015.png) | 1980-04-04 |
| NL7708275A (nl) | 1978-02-01 |
| DE2733868A1 (de) | 1978-02-02 |
| FR2359826A1 (fr) | 1978-02-24 |
| JPS5318591A (en) | 1978-02-20 |
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