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:
Apr. 12, 1977
Filed:
Nov. 26, 1975
Abstract
Novel tricyclic compounds of the formula: ##STR1## wherein A is --CH.sub.2 --CH.sub.2 --, --CH=CH-- or ##STR2## X is hydrogen, halogen, nitro, trifluoromethyl, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy, R.sub.1 and R.sub.2 are each hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.3 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.3 -C.sub.6 cycloalkyl (C.sub.1 -C.sub.3)alkyl, ar(C.sub.1 -C.sub.3)alkyl, polyhalo(C.sub.1 -C.sub.2)alkyl, C.sub.1 -C.sub.4 alkoxy(C.sub.1 -C.sub.3)alkyl or hydroxy(C.sub.1 -C.sub.3)alkyl, and non-toxic salts thereof which are useful as antidepressants and can be prepared by reduction of a compound of the formula: ##STR3## wherein A, X, R.sub.1, R.sub.2 and R.sub.3 are each as defined above.