Patent number: 4362879
Abstract: A novel class of compounds which are useful as plant growth regulators is disclosed, having the general structural formula: ##STR1## In which R is C.sub.1 to C.sub.4 alkyl, alkenyl or aklynyl to which may be attached phenyl, pyridyl, benzoyl, phenoxy, halophenoxy, halobenzoyl, N-phenylcarbamyl, N-alkylcarbamyl, N-trifluoromethylthiadiazolylcarbamyl, carboxy, carbalkoxy or halo substituents,R.sup.1 is H, C.sub.1 to C.sub.3 alkyl, alkenyl or alkynyl to which may be attached phenyl, halophenyl or phenoxy groups, acetyl, or R and R.sup.1 together may be C.sub.2 to C.sub.4 alkylene,Ar is phenyl or benzoyl,R.sup.2 is C.sub.1 to C.sub.4 alkyl, alkoxy, alkylene, alkylamino or alkylthio, phenoxy, benzyloxy, carbalkoxy, acetyl, methylenedioxy, trifluoromethyl, nitro, halo or cyano and n may be zero or an integer from 1 to 4, with the provision that at least one position ortho to the point of attachment of a phenyl ring of the Ar structure must be unsubstituted,R.sup.
Type:
Grant
Filed:
March 13, 1981
Date of Patent:
December 7, 1982
Assignee:
Gulf Oil Corporation
Inventors:
Joel L. Kirkpatrick, Natu R. Patel, Jerry L. Rutter