Dibenz[b,e]oxepin compounds

Claim 1

A compound selected from the group consisting of 6,11-dihydrodibenz[b,e]oxepins having the structural formulae: ##STR29## wherein R 2 and R 3 are the same or different and are members selected from the group consisting of hydrogen, halogen, nitro, amino, N-lower alkylamino, N,N-dilower alkylamino, lower alkanoyl, hydroxy, lower alkoxy, lower alkylthio, trifluoromethylthiol, lower alkylsulfinyl, lower alkylsulfonyl and trifluoromethyl; and where R 2 and R 3 are on adjacent carbon atoms at positions 8 and 9 or 2 and 3, R 2 and R 3 , taken together, are methylenedioxy; R 4 is a member selected from the group consisting of hydrogen, hydroxy, loweralkoxy, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, phenylthio, amino, formamido, and 1-imidazolyl; R 5 is a member selected from the group consisting of hydrogen and lower alkyl; R 4 and R 5 , taken together, are a member selected from the group consisting of ═O and ═CH-R 7 wherein R 7 is a member selected from the group consisting of hydrogen and phenyl; and R 1 is a member selected from the group consisting of 5-tetrazolyl and carboxy; with the proviso that R 1 is not 5-tetrazolyl, carboxy or carboxamido when R 4 and R 5 , taken together, are ═O and R 2 and R 3 are hydrogen; and the pharmaceutically acceptable salts thereof.