Patent number: 3959289
Abstract: Novel chemical compounds of the formula: ##SPC1##WhereinR is selected from the group consisting of hydrogen, alkyl from one to three carbon atoms, inclusive, phenyl, alkali metal, or an amine cation;X and Y can be the same or different and are selected from the group consisting of hydrogen, alkyl of from one to six carbon atoms, inclusive, cycloalkyl of 5 or 6 carbon atoms, inclusive, phenyl, hydroxyl, alkoxy having from one to three carbon atoms, inclusive, halogen, trifluoromethyl, cyano, carboxyamide and O C-OQ, ##EQU1## where Q is selected from the group consisting of hydrogen, alkyl from one to three carbon atoms, inclusive, alkali metal, and an amine cation, with the proviso that whereR is hydrogen, alkali metal or an amine cation, then Q is the same as R, and whereR is phenyl or alkyl from one to three carbon atoms, then Q is phenyl or alkyl from one to three carbon atoms; andZ is selected from the group consisting of hydrogen, alkyl from one to three carbon atoms, inclusive, and phenyl.
Type:
Grant
Filed:
December 11, 1974
Date of Patent:
May 25, 1976
Assignee:
The Upjohn Company
Inventors:
Charles M. Hall, Herbert G. Johnson, John B. Wright