1985 Volume 49 Issue 11 Pages 3265-3269
N-Acyl- and N-sulfonyl-N-(2, 3-epoxypropyl)benzenesulfonamide derivatives were synthesized and their herbicidal activities were tested against barnyardgrass and rice plants by the pot and the petri dish tests in order to examine the structural requirements for herbicidal activity in N-(2, 3-epoxypropyl) benzenesulfonamide derivatives. The N-sulfonylbenzenesulfonamide derivatives exhibited higher activity against barnyardgrass than the N-acylbenzenesulfonamide derivatives, and were found to be as active as N-(2, 3-epoxypropyl)-N-(α-methylbenzyl) benzenesulfonamide. Some of the N-sulfonylbenzenesulfonamide derivatives showed high selectivity towards barnyardgrass and rice plants at their germination stage.
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