Patent number: 4435329
Abstract: Novel compounds are described having the formula ##STR1## wherein Z is ##STR2## R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 lower alkyl; R.sub.2 is hydrogen, a C.sub.1 -C.sub.4 lower alkyl, hydroxy-R.sub.8 -, lower alkyl-R.sub.8 -, mercapto-R.sub.8 -, cyclohexyl, cyclopentyl, phenyl, phenyl-R.sub.8 -, indolyl-R.sub.8 -, carboxy-R.sub.8 -, amino-R.sub.8 - or carbamoyl-R.sub.8 -, wherein R.sub.8 - is a divalent C.sub.1 -C.sub.6 straight chain parafinic moiety; R.sub.3 is hydrogen or C.sub.1 -C.sub.4 lower alkyl; R.sub.4 is hydrogen, lower alkanoyl, benzoyl or phenyl-substituted-lower alkanoyl; R.sub.5 is hydrogen or a C.sub.1 -C.sub.4 lower alkyl; R.sub.1, R.sub.2 and R.sub.5 excluding tertiary butyl; ARYL is 1-naphthyl, 2-naphthyl, 4-chloro-1-naphthyl, 4-methoxy-1-naphthyl, 5,6,7,8-tetrahydro-1-naphthyl, 5,6,7,8-tetrahydro-2-naphthyl, 4-biphenylyl, 5-indanyl, 4-indanyl, phenyl, or substituted phenyl moieties having the formula ##STR3## wherein R.sub.
Type:
Grant
Filed:
October 16, 1981
Date of Patent:
March 6, 1984
Assignee:
American Cyanamid Company
Inventors:
Francis J. McEvoy, Jay D. Albright