SU1007556A3 - Способ получени 1,4-дигидропиридинов - Google Patents
Способ получени 1,4-дигидропиридинов Download PDFInfo
- Publication number
- SU1007556A3 SU1007556A3 SU762386167A SU2386167A SU1007556A3 SU 1007556 A3 SU1007556 A3 SU 1007556A3 SU 762386167 A SU762386167 A SU 762386167A SU 2386167 A SU2386167 A SU 2386167A SU 1007556 A3 SU1007556 A3 SU 1007556A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- compounds
- substituted
- general formula
- dihydropyridines
- methyl
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 9
- -1 2-chloropyrid-3-yl Chemical group 0.000 abstract description 8
- YNGDWRXWKFWCJY-UHFFFAOYSA-N 1,4-Dihydropyridine Chemical class C1C=CNC=C1 YNGDWRXWKFWCJY-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 3
- 230000003276 anti-hypertensive effect Effects 0.000 abstract 1
- 210000000748 cardiovascular system Anatomy 0.000 abstract 1
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 abstract 1
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 abstract 1
- 230000001766 physiological effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Inorganic materials [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MMWRGWQTAMNAFC-UHFFFAOYSA-N 1,2-dihydropyridine Chemical compound C1NC=CC=C1 MMWRGWQTAMNAFC-UHFFFAOYSA-N 0.000 description 1
- KHPAGGHFIDLUMB-UHFFFAOYSA-N 2-chloropyridine-3-carbaldehyde Chemical compound ClC1=NC=CC=C1C=O KHPAGGHFIDLUMB-UHFFFAOYSA-N 0.000 description 1
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- GQLSEYOOXBRDFZ-UHFFFAOYSA-N N-formylnornicotine Natural products O=CN1CCCC1C1=CC=CN=C1 GQLSEYOOXBRDFZ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- INGGGNUCWJHFKD-UHFFFAOYSA-N chromium;pyridine Chemical compound [Cr].C1=CC=NC=C1 INGGGNUCWJHFKD-UHFFFAOYSA-N 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- WJYHCYBNUJVCEH-UHFFFAOYSA-N cyclohexane;ethoxyethane Chemical compound CCOCC.C1CCCCC1 WJYHCYBNUJVCEH-UHFFFAOYSA-N 0.000 description 1
- 125000004925 dihydropyridyl group Chemical group N1(CC=CC=C1)* 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- WKHYEFMJDLHERO-UHFFFAOYSA-N methanol;2-methylpyridine Chemical compound OC.CC1=CC=CC=N1 WKHYEFMJDLHERO-UHFFFAOYSA-N 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 125000000627 niacin group Chemical group 0.000 description 1
- 229960003512 nicotinic acid Drugs 0.000 description 1
- PVNIIMVLHYAWGP-UHFFFAOYSA-N nicotinic acid Natural products OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/70—Sulfur atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Pharmacology & Pharmacy (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Hydrogenated Pyridines (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB33501/75A GB1511694A (en) | 1975-08-12 | 1975-08-12 | Pyridine derivatives |
| GB4518875 | 1975-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU1007556A3 true SU1007556A3 (ru) | 1983-03-23 |
Family
ID=26261898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU762386167A SU1007556A3 (ru) | 1975-08-12 | 1976-08-12 | Способ получени 1,4-дигидропиридинов |
Country Status (19)
| Country | Link |
|---|---|
| US (1) | US4096270A (OSRAM) |
| JP (1) | JPS5223081A (OSRAM) |
| AR (1) | AR209672A1 (OSRAM) |
| AT (1) | AT351025B (OSRAM) |
| AU (1) | AU504839B2 (OSRAM) |
| CA (1) | CA1079284A (OSRAM) |
| CH (1) | CH612678A5 (OSRAM) |
| CS (1) | CS194774B2 (OSRAM) |
| DD (1) | DD126696A5 (OSRAM) |
| DE (1) | DE2635916A1 (OSRAM) |
| DK (1) | DK362676A (OSRAM) |
| ES (1) | ES450582A1 (OSRAM) |
| FR (1) | FR2320750A1 (OSRAM) |
| MX (1) | MX3464E (OSRAM) |
| NL (1) | NL7608989A (OSRAM) |
| NO (1) | NO144457C (OSRAM) |
| PT (1) | PT65456B (OSRAM) |
| SE (1) | SE7608959L (OSRAM) |
| SU (1) | SU1007556A3 (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH639659A5 (de) * | 1978-12-18 | 1983-11-30 | Sandoz Ag | Neue 1,4-dihydropyridinderivate, deren herstellung und verwendung. |
| DE2738153A1 (de) * | 1977-08-24 | 1979-03-08 | Bayer Ag | 2-pyridyl-1,4-dihydropyridine, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
| DE2949464A1 (de) * | 1978-12-18 | 1980-06-26 | Sandoz Ag | Benzoxadiazole und benzothiadiazole, ihre herstellung und verwendung |
| US4497808A (en) * | 1981-12-30 | 1985-02-05 | Ciba-Geigy Corporation | N-Oxide compounds useful in the treatment of cardiovascular ailments |
| DE3207982A1 (de) * | 1982-03-05 | 1983-09-08 | Bayer Ag, 5090 Leverkusen | Neue 1,4-dihydropyridine, verfahren zu ihrer herstellung und ihrer verwendung in arzneimitteln |
| US4414213A (en) * | 1982-03-22 | 1983-11-08 | Mead Johnson & Company | Dihydropyridyl cyclic imidate esters and their pharmaceutical use |
| US4771057A (en) * | 1986-02-03 | 1988-09-13 | University Of Alberta | Reduced pyridyl derivatives with cardiovascular regulating properties |
| US6001857A (en) * | 1992-10-30 | 1999-12-14 | Bayer Aktiengesellschaft | Heterocyclyl substituted dihydropyridines |
| DE4236707A1 (de) * | 1992-10-30 | 1994-05-05 | Bayer Ag | 4-Heterocyclyl substituierte Dihydropyridine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1670824C3 (de) * | 1967-03-20 | 1978-08-03 | Bayer Ag, 5090 Leverkusen | 1,4-Dihydropyridin-33-dicarbonsäurealkylester |
| DE1813436C3 (de) * | 1968-12-07 | 1979-01-11 | Bayer Ag, 5090 Leverkusen | N-Substituierte 2,6-Dimethyl-l,4dihydropyridine |
| DE1923990C3 (de) * | 1969-05-10 | 1978-11-23 | Bayer Ag | Verfahren zur Herstellung von N-substituierten M-Dihydropyridin-S.S-dicarbonsäureestern |
| DE2003146A1 (de) * | 1970-01-24 | 1971-07-29 | Bayer Ag | Neue 1,4-Dihydropyridinderivate |
| DE2005116C3 (de) * | 1970-02-05 | 1980-02-14 | Bayer Ag, 5090 Leverkusen | Symmetrische 1,4-Dihydropyridin-3,5-dicarbonsäureester |
| DE2117571C3 (de) * | 1971-04-10 | 1979-10-11 | Bayer Ag, 5090 Leverkusen | Unsymmetrische 1,4-Dihydropyridin-33-dicarbonsäureester, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel |
| DE2117573C3 (de) * | 1971-04-10 | 1978-07-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von unsymmetrischen l,4-Dihydropyridin-3,5dicarbonsäureestern, sowie ihre Verwendung als Arzneimittel |
| DE2210672C3 (de) * | 1972-03-06 | 1980-03-20 | Bayer Ag, 5090 Leverkusen | N-substituierte unsymmetrische 1 ^-Dihydropyridin-S^-dicarbonsäureester, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel |
| DE2218644C3 (de) * | 1972-04-18 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | Basische Ester von 1,4-Dihydropyridinen, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel |
| DE2248150A1 (de) * | 1972-09-30 | 1974-04-04 | Bayer Ag | Dihydropyridinpolyester, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
-
1976
- 1976-07-21 FR FR7622285A patent/FR2320750A1/fr active Granted
- 1976-08-02 AT AT568776A patent/AT351025B/de not_active IP Right Cessation
- 1976-08-04 MX MX002128U patent/MX3464E/es unknown
- 1976-08-04 AU AU16569/76A patent/AU504839B2/en not_active Expired
- 1976-08-05 US US05/711,862 patent/US4096270A/en not_active Expired - Lifetime
- 1976-08-05 CH CH1001576A patent/CH612678A5/xx not_active IP Right Cessation
- 1976-08-06 AR AR264249A patent/AR209672A1/es active
- 1976-08-06 CA CA258,591A patent/CA1079284A/en not_active Expired
- 1976-08-09 PT PT65456A patent/PT65456B/pt unknown
- 1976-08-09 ES ES450582A patent/ES450582A1/es not_active Expired
- 1976-08-10 DD DD194263A patent/DD126696A5/xx unknown
- 1976-08-10 DE DE19762635916 patent/DE2635916A1/de not_active Withdrawn
- 1976-08-11 CS CS765241A patent/CS194774B2/cs unknown
- 1976-08-11 DK DK362676A patent/DK362676A/da not_active Application Discontinuation
- 1976-08-11 SE SE7608959A patent/SE7608959L/xx not_active Application Discontinuation
- 1976-08-11 NO NO762790A patent/NO144457C/no unknown
- 1976-08-11 JP JP51095887A patent/JPS5223081A/ja active Granted
- 1976-08-12 NL NL7608989A patent/NL7608989A/xx unknown
- 1976-08-12 SU SU762386167A patent/SU1007556A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CH612678A5 (OSRAM) | 1979-08-15 |
| FR2320750B1 (OSRAM) | 1979-09-28 |
| US4096270A (en) | 1978-06-20 |
| NL7608989A (nl) | 1977-02-15 |
| NO144457B (no) | 1981-05-25 |
| ES450582A1 (es) | 1977-11-16 |
| PT65456B (fr) | 1978-02-10 |
| PT65456A (fr) | 1976-09-01 |
| DD126696A5 (OSRAM) | 1977-08-03 |
| CA1079284A (en) | 1980-06-10 |
| NO144457C (no) | 1981-09-02 |
| AT351025B (de) | 1979-07-10 |
| NO762790L (OSRAM) | 1977-02-15 |
| DE2635916A1 (de) | 1977-02-24 |
| AU504839B2 (en) | 1979-11-01 |
| DK362676A (da) | 1977-02-13 |
| AU1656976A (en) | 1978-02-09 |
| JPS5422986B2 (OSRAM) | 1979-08-10 |
| SE7608959L (sv) | 1977-02-13 |
| MX3464E (es) | 1980-12-09 |
| JPS5223081A (en) | 1977-02-21 |
| ATA568776A (de) | 1978-12-15 |
| CS194774B2 (en) | 1979-12-31 |
| FR2320750A1 (fr) | 1977-03-11 |
| AR209672A1 (es) | 1977-05-13 |
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