Indoleacetic ester derivatives and process for preparing same

Abstract From the Canadian patent

An indoleacetic ester derivative represented by the following formula, (I), in which R represents a hydrogen atom -COR1 in which R1, represents an alkyl group an alkenyl group or a phenyl, group unsubstituted or substituted with a halogen atom a, lower alkyl group, a lower alkoxy group a nitro group, a, formyl group, a hydroxy group an acyloxy group, an, alkoxycarbonyl group or an alkylenedioxy group -COAR2 in, which A represents a C1-C4 alkylene group a C1-C4, alkyleneoxy group or a propenylene group and R2, represents a phenyl group unsubstituted or substituted with a halogen atom, a lower alkyl group a lower alkoxy, group, a nitro group, a formyl group a hydroxy group, an, acyloxy group, …