CS199643B2 - Method of producing novel derivatives of phenylaminoethanol - Google Patents
Method of producing novel derivatives of phenylaminoethanol Download PDFInfo
- Publication number
- CS199643B2 CS199643B2 CS766357A CS635776A CS199643B2 CS 199643 B2 CS199643 B2 CS 199643B2 CS 766357 A CS766357 A CS 766357A CS 635776 A CS635776 A CS 635776A CS 199643 B2 CS199643 B2 CS 199643B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- carbon atoms
- group
- compound
- compounds
- hydrogen
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 10
- ULZRKSDAMUWQEZ-UHFFFAOYSA-N 1-anilinoethanol Chemical class CC(O)NC1=CC=CC=C1 ULZRKSDAMUWQEZ-UHFFFAOYSA-N 0.000 title claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 82
- -1 phenylacetyl Chemical group 0.000 claims description 31
- 238000002360 preparation method Methods 0.000 claims description 22
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 239000001257 hydrogen Substances 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 8
- 125000002252 acyl group Chemical group 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 125000002947 alkylene group Chemical group 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- 125000002993 cycloalkylene group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 125000002950 monocyclic group Chemical group 0.000 claims description 2
- 125000004923 naphthylmethyl group Chemical group C1(=CC=CC2=CC=CC=C12)C* 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 125000006239 protecting group Chemical group 0.000 claims description 2
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- 206010006451 bronchitis Diseases 0.000 description 1
- 230000007885 bronchoconstriction Effects 0.000 description 1
- 230000007883 bronchodilation Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 239000008298 dragée Substances 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- 239000007911 effervescent powder Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 229960003699 evans blue Drugs 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000009610 hypersensitivity Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 229940041682 inhalant solution Drugs 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 239000007928 intraperitoneal injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000007803 itching Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 230000003843 mucus production Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 229960001412 pentobarbital Drugs 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 208000005333 pulmonary edema Diseases 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- CVHZOJJKTDOEJC-UHFFFAOYSA-N saccharin Chemical compound C1=CC=C2C(=O)NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-N 0.000 description 1
- 229940081974 saccharin Drugs 0.000 description 1
- 235000019204 saccharin Nutrition 0.000 description 1
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 239000003506 spasmogen Substances 0.000 description 1
- 230000008925 spontaneous activity Effects 0.000 description 1
- 238000013222 sprague-dawley male rat Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 239000006190 sub-lingual tablet Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000002511 suppository base Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- 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
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
-
- 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
- A61K31/13—Amines
- A61K31/135—Amines having aromatic rings, e.g. ketamine, nortriptyline
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P11/00—Drugs for disorders of the respiratory system
- A61P11/08—Bronchodilators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/04—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reaction of ammonia or amines with olefin oxides or halohydrins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
- C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
- C07D265/30—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings
- C07D265/32—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings with oxygen atoms directly attached to ring carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Emergency Medicine (AREA)
- Immunology (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7510988A SE7510988L (sv) | 1975-10-01 | 1975-10-01 | Nya farmaceutiskt aktiva foreningar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS199643B2 true CS199643B2 (en) | 1980-07-31 |
Family
ID=20325688
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS766357A CS199643B2 (en) | 1975-10-01 | 1976-10-01 | Method of producing novel derivatives of phenylaminoethanol |
| CS782253A CS199644B2 (en) | 1975-10-01 | 1976-10-01 | Method of producing new derivatives of phenylaminoethanol |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS782253A CS199644B2 (en) | 1975-10-01 | 1976-10-01 | Method of producing new derivatives of phenylaminoethanol |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5242840A (forum.php) |
| AT (1) | AT347427B (forum.php) |
| AU (1) | AU503212B2 (forum.php) |
| BE (1) | BE846837A (forum.php) |
| CS (2) | CS199643B2 (forum.php) |
| DD (1) | DD126278A5 (forum.php) |
| DE (1) | DE2640972A1 (forum.php) |
| DK (1) | DK141622B (forum.php) |
| ES (1) | ES451979A1 (forum.php) |
| FI (1) | FI762660A7 (forum.php) |
| FR (1) | FR2326183A1 (forum.php) |
| GB (1) | GB1542317A (forum.php) |
| LU (1) | LU75916A1 (forum.php) |
| NL (1) | NL7610845A (forum.php) |
| NO (1) | NO763345L (forum.php) |
| NZ (1) | NZ182165A (forum.php) |
| SE (1) | SE7510988L (forum.php) |
| SU (2) | SU638252A3 (forum.php) |
| ZA (1) | ZA765331B (forum.php) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0043807B1 (en) | 1980-07-09 | 1984-05-30 | Aktiebolaget Draco | 1-(dihydroxyphenyl)-2-amino-ethanol derivatives; preparation, compositions and intermediates |
| EP0103830A3 (de) * | 1982-09-22 | 1985-07-31 | Bayer Ag | Wachstumsfördernde Phenylethylamin-Derivate |
| RU2156127C2 (ru) * | 1995-12-28 | 2000-09-20 | Еситоми Фармасьютикал Индустриз, Лтд. | Препарат местного применения для иммуносупрессии и лечения аутоиммунных или аллергических заболеваний |
| DK2332921T3 (en) | 2003-06-17 | 2016-05-09 | Arena Pharm Inc | 8-Chloro-1-methyl-2,3,4,5-tetrahydro-1H-3benzazepine hydrochloride |
| SG10201508066VA (en) | 2006-04-03 | 2015-10-29 | Arena Pharm Inc | Processes for the preparation of 8-chloro-1-methyl-2,3,4,5-tetrahydro-1h-3-benzazepine and intermediates related thereto |
| WO2008070111A2 (en) | 2006-12-05 | 2008-06-12 | Arena Pharmaceuticals, Inc. | Processes for preparing (r)-8-chloro-1-methyl-2,3,4,5-tetrahydro-1h-3-benzazepine and intermediates thereof |
| RU2361604C1 (ru) * | 2007-10-29 | 2009-07-20 | Федеральное агентство по высокотехнологичной медицинской помощи Федеральное государственное учреждение "Уральский научно-исследовательский институт дерматовенерологии и иммунопатологии" (ФГУ УрНИИДВиИ Росмедтехнологий) | Способ лечения атопического дерматита |
| CN102015591B (zh) | 2008-03-04 | 2014-01-29 | 艾尼纳制药公司 | 制备与5-ht2c激动剂(r)-8-氯-1-甲基-2，3，4，5-四氢-1h-3-苯并氮杂卓相关的中间体的方法 |
| US8952197B2 (en) | 2009-06-18 | 2015-02-10 | Arena Pharmaceuticals, Inc. | Processes for the preparation of 5-HT2C receptor agonists |
| KR20130112848A (ko) | 2010-06-02 | 2013-10-14 | 아레나 파마슈티칼스, 인크. | 5-ｈｔ2ｃ 수용체 아고니스트의 제조 방법 |
| US9248133B2 (en) | 2010-09-01 | 2016-02-02 | Arena Pharmaceuticals, Inc. | Salts of lorcaserin with optically active acids |
| US8999970B2 (en) | 2010-09-01 | 2015-04-07 | Arena Pharmaceuticals, Inc. | Administration of an anti-obesity compound to individuals with renal impairment |
| WO2012030927A2 (en) | 2010-09-01 | 2012-03-08 | Arena Pharmaceuticals, Inc. | Modified-release dosage forms of 5-ht2c agonists useful for weight management |
| CA2808904A1 (en) | 2010-09-01 | 2012-03-08 | Arena Pharmaceuticals, Inc. | Non-hygroscopic salts of 5-ht2c agonists |
| WO2014058441A1 (en) | 2012-10-09 | 2014-04-17 | Arena Pharmaceuticals, Inc. | Method of weight management |
-
1975
- 1975-10-01 SE SE7510988A patent/SE7510988L/xx unknown
-
1976
- 1976-09-07 ZA ZA765331A patent/ZA765331B/xx unknown
- 1976-09-11 DE DE19762640972 patent/DE2640972A1/de not_active Withdrawn
- 1976-09-15 AT AT682376A patent/AT347427B/de not_active IP Right Cessation
- 1976-09-16 FI FI762660A patent/FI762660A7/fi not_active Application Discontinuation
- 1976-09-22 SU SU762402852A patent/SU638252A3/ru active
- 1976-09-27 AU AU18122/76A patent/AU503212B2/en not_active Expired
- 1976-09-27 NZ NZ182165A patent/NZ182165A/xx unknown
- 1976-09-28 DD DD195022A patent/DD126278A5/xx unknown
- 1976-09-30 GB GB7640684A patent/GB1542317A/en not_active Expired
- 1976-09-30 DK DK439776AA patent/DK141622B/da unknown
- 1976-09-30 NL NL7610845A patent/NL7610845A/xx not_active Application Discontinuation
- 1976-09-30 FR FR7629467A patent/FR2326183A1/fr not_active Withdrawn
- 1976-09-30 ES ES451979A patent/ES451979A1/es not_active Expired
- 1976-09-30 NO NO763345A patent/NO763345L/no unknown
- 1976-09-30 LU LU75916A patent/LU75916A1/xx unknown
- 1976-10-01 CS CS766357A patent/CS199643B2/cs unknown
- 1976-10-01 BE BE171148A patent/BE846837A/xx unknown
- 1976-10-01 JP JP51118924A patent/JPS5242840A/ja active Pending
- 1976-10-01 CS CS782253A patent/CS199644B2/cs unknown
-
1977
- 1977-10-13 SU SU772532454A patent/SU674669A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| DK439776A (forum.php) | 1977-04-02 |
| GB1542317A (en) | 1979-03-14 |
| NZ182165A (en) | 1978-07-10 |
| NL7610845A (nl) | 1977-04-05 |
| AT347427B (de) | 1978-12-27 |
| ATA682376A (de) | 1978-05-15 |
| BE846837A (fr) | 1977-04-01 |
| DD126278A5 (forum.php) | 1977-07-06 |
| DK141622B (da) | 1980-05-12 |
| SU674669A3 (ru) | 1979-07-15 |
| SE7510988L (sv) | 1977-04-02 |
| DE2640972A1 (de) | 1977-04-14 |
| FI762660A7 (forum.php) | 1977-04-02 |
| LU75916A1 (forum.php) | 1978-05-16 |
| SU638252A3 (ru) | 1978-12-15 |
| ES451979A1 (es) | 1978-01-01 |
| AU503212B2 (en) | 1979-08-30 |
| NO763345L (forum.php) | 1977-04-04 |
| FR2326183A1 (fr) | 1977-04-29 |
| ZA765331B (en) | 1977-08-31 |
| CS199644B2 (en) | 1980-07-31 |
| AU1812276A (en) | 1978-04-06 |
| JPS5242840A (en) | 1977-04-04 |
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