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Last Updated: December 16, 2025

Claims for Patent: 5,723,606

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Summary for Patent: 5,723,606

Title:	Condensed benzazepine derivative and pharmaceutical composition thereof
Abstract:	PCT No. PCT/JP94/01183 Sec. 371 Date Jan. 19, 1996 Sec. 102(e) Date Jan. 19, 1996 PCT Filed Jul. 19, 1994 PCT Pub. No. WO95/03305 PCT Pub. Date Feb. 2, 1995This invention relates to nitrogen-containing aromatic 5-membered ring-condensed benzazepine derivatives represented by the general formula (I) following meanings; ring B: a nitrogen-containing aromatic 5-membered ring having at least 1 nitrogen atom and optionally one oxygen or sulfur atom, which may optionally have substituent(s), R1 and R2: these may be the same or different from each other and each represents a hydrogen atom, a halogen atom, a lower alkyl group, an amino group which may optionally be substituted by lower alkyl group(s), or a lower alkoxy group, A: a single bond; a group represented by the formula-NHCO-(CR3R4)n-,n: 0 or an integer of from 1 to 3, R3 and R4: these may be the same or different from each other and each represents a hydrogen atom, a lower alkyl group (provided that R3 and R4 may together form a lower alkylene group having 2 to 7 carbon atoms), and ring C: a benzene ring which may optionally have substituent(s)) and salts thereof; to pharmaceutical compositions which contain these compounds as an active ingredient and to intermediates which are useful in synthesizing these compounds. The compounds of this invention are useful as arginine vasopressin antagonists.
Inventor(s):	Akihiro Tanaka, Hiroyuki Koshio, Nobuaki Taniguchi, Akira Matsuhisa, Ken-ichiro Sakamoto, Atsuki Yamazaki, Takeyuki Yatsu
Assignee:	Astellas Ireland Co Ltd, Cumberland Pharmaceuticals Inc, Astellas Pharma US Inc
Application Number:	US08/586,686
Patent Claims:

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