Herbicidal compsns.

摘要

Naphthalenedicarboximides (Ia) and their salts are new. R1-R4 = H, halogen, hydroxy, mercapto, cyano, thiocyanato, nitro, opt. halo-substd. 1-6C alkyl, 2-6C alkenyl, 2-6C alkynyl, 3-8C cycloalkyl, 3-8C cycloalkoxy, amino, 1-8C alkylamino, etc. X = 1-6C alkylene opt. substd. by halogen, hydroxy, mercapto, 1-4C alkyl, 1-4C alkoxy, 1-4C alkylthio, di(1-4C alkyl)amino, 1-4C alkoxycarbonyl, cyano, 1-6C alkylcarbonyl, 1-6C alkylcarbonyloxy, aryl, heteroaryl, or aryl- or heteroaryl-substd. 1-3C alkyl,R5 = H, cyano, 1-6C alkyl, 2-6C alkenyl, 1-4C alkyl substd. by 1-4C alkoxy, or 1-4C alkylthio, 1-4C alkoxycarbonyl, acetyl, 3-6C cycloalkyl, aryl, arylcarbonyl, aryl-substd. 1-3C alkyl, heteroaryl, heteroarylcarbony or heteroaryl-substd. 1-3C alkyl, R6 = H, cyano, opt. halo-substd. 1-6C alkyl, 1-4C alkoxy, 1-4C alkoxy- 1-4C alkyl, di- or triazolymethyl, 1-6C alkoxycarbonyl, furyl, etc. or CR5R6 = 3-12C cycloalkyl, 4-oxocyclohexadienyl or 5- or 6-membered, satd. or unsatd. ring opt. contg. an O or S atom and/or opt. mono- di- or trisubstd. by 1-3C alkyl, or alkoxy, or opt. benz-fused, Y, Z = O or S, except cpds. (I) where R5 = R6 = H.