TETRAHYDROBENZOTHIAZOLE DERIVATIVE AND HERBICIDE CONTAINING SAID DERIVATIVE

摘要

NEW MATERIAL:The compound of formula I (R and R1 are 1-4C alkyl). EXAMPLE:Tetrahydro-1-methyl-3-(4, 5, 6, 7-tetrahydro-5-methyl-7-oxo-2-benzothiazolyl)-5-propyl-1,3,5-triazin-2 (1H)-one. USE:Herbicide having excellent and practical herbicidal activity. PREPARATION:The compound of formula I can be prepared easily by reacting the compound of formula II with 2 equivalent of formalin and 1 equivalent of an alkylamine.