摘要 |
2-Oxindole-1-carboxamide intermediates of the formula: <CHEM> wherein X and Y are each hydrogen, 5-fluoro, 6-fluoro, 5-chloro, 6-chloro, 5-trifluoromethyl or 6-trifluoromethyl, provided that X and Y are not both hydrogen; and R is alkyl having from 1 to 6 carbons, cycloalkyl having from 3 to 7 carbons, benzyl, furyl, thienyl, pyridyl or a group of the formula <CHEM> wherein R<1> and R<2> are each hydrogen, fluoro, chloro, alkyl having 1 to 4 carbons, alkoxy having 1 to 4 carbons or trifluoromethyl.
|