The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 1978
Filed:
Aug. 26, 1976
Kanji Meguro, Hyogo, JP;
Yutaka Kuwada, Hyogo, JP;
Takeda Chemical Industries, Ltd., Osaka, JP;
Abstract
Benzodiazepine derivatives of the general formula ##STR1## where R.sub.1 is hydrogen or a hydrocarbon residue of 1-8 carbon atoms, R.sub.2 is hydrogen or lower alkyl and rings A and B are unsubstituted or substituted by nitro, trifluoromethyl, halogen, lower alkyl or lower alkoxy, the nitrogen atom in the 5-position being unsubstituted or substituted by an oxygen atom, useful as muscle relaxants, anticonvulsants, sedatives and tranquilizing agents, and processes for production thereof. Also provided are novel intermediates of the general formula ##STR2## where R.sub.2 has the above meaning, rings A and B are unsubstituted or substituted as above and the nitrogen atom in the 4-position is unsubstituted or substituted by an oxygen atom.