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US 4,297,096 AGranted
Alkyl, alkenyl, and aryl substituted triazene compounds, their salts and production thereof
AssigneeFujisawa Pharmaceutical Co., Ltd.
InventorsKeizo Yoshida, Hirokazu Tanaka, Masanori Okamoto, Eiko Iguchi, Masanobu Kohsaka, Hatsuo Aoki, Hiroshi Imanaka
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Abstract
A new triazene compound of the formula: R--CH.dbd.N--N.dbd.N--OH wherein R is alkyl, alkenyl or aryl and its pharmaceutically acceptable salts thereof. The production and use of such compounds are also disclosed. The compounds are useful as smooth muscle relaxants and hypotensives.
Claims11
A compound of the formula:
- R--CH.dbd.N--N.dbd.N--OH
- wherein R is alkyl, alkenyl or aryl or its pharmaceutically acceptable salts.
A process for the production of FR-900184 substance having the formula:
- ##STR6## or FR-900190 substance having the formula ##STR7## or both, which comprises culturing a FR-900184 and/or FR-900190 producing strain belonging to the genus Streptomyces in an aqueous nutrient medium under aerobic condition and recovering FR-900184 or FR-900190 or both substances from the resultant cultured broth.
A process for the preparation of the compound of the formula
- R--CH.dbd.N--N.dbd.N--OH
- wherein R is alkyl, alkenyl or aryl or its pharmaceutically acceptable salts, which comprises reacting a compound of the formula
- RCHO
- wherein R is the same as defined above, with hydrazine, reacting the resultant hydrazone derivative with a silylating agent taken from the class consisting of trialkylhalosilane, trialkylsilylamide, dialkyldihalosilane, alkyltrihalosilane, dialkylarylhalosilane, triarylhalosilane, dialkylaralkylhalosilane, dialkoxydihalosilane, and trialkoxyhalosilane and reacting the resultant silylated compound with an n-nitrosating agent.
1 more element
Dependencies are inferred from the claim text.