| abstract |
A novel class of N-(arylthiocarbamoyl)-2- amino-1H-isoindole-1,3-(2H) diones which are useful as plant growth regulators have the general structural formula:n in whichn R 1 is; C 1 to C 4 alkyl, nitro or halo and n is zero or an integer from 1 to 4 R 2 and R 3 are; H or C to C. alkyl, or benzyl and Ar is; adamantyl, C 3 to C 4 alkyl or alkenyl, benzyl, halobenzyl, naphthyl, phenyl or phenyl bearing thereon from one to three of the substituents: cyano, benzyloxy, nitro, bromo, chloro, trifluoromethyl and C 1 to C 4 alkyl, alkenyl, alkoxy, alkylthio and alkyl-substituted amino. |