A METHOD OF PREPARATION OF SEMICARBAZIDIL-FTALIDAS.

摘要

New compounds of the general structural formula IMAGE (I) are disclosed, in which Q is one of the following: IMAGE R is methyl or ethyl, R1 is H or lower alkyl, R2 is lower alkyl and Y represents substituents, alike or unlike, selected from the following group: lower alkyl, lower alkoxy, lower alkylthio, bromo, chloro, fluoro, cyano, trifluoromethyl and 1-methylene and n=0 to 3, which are useful as plant growth regulators, both in the basic form illustrated above and also as the hydrohalide salts.