Salts of derivatives of N-(tetrahydrobenzothiazolylcar- bamoyl)oxamic acid, represented by the formula:
wherein R1 represents a straight-chain alkyl group having one to six carbon atoms, a branched-chain alkyl group having three to six carbon atoms, a cyclic alkyl group having three to six carbon atoms or a phenyl group; R2 represents a hydrogen atom or a methyl group; M represents an alkali metal atom or an alkaline earth metal atom; n is 1 when M is an alkali metal atom and n is 1/2 when M is alkaline earth metal atom; and M' is a hydrogen atom, an alkali metal atom or alkaline earth metal atom; are useful as herbicides.
N-(四氢
苯并噻唑基
氨基甲酰)氧
肟酸衍
生物的盐,由式表示: 其中 R1 代表具有 1 至 6 个碳原子的直链烷基、具有 3 至 6 个碳原子的支链烷基、具有 3 至 6 个碳原子的环状烷基或苯基;R2 代表氢原子或甲基;M 代表碱
金属原子或碱土
金属原子;当 M 为碱
金属原子时,n 为 1,当 M 为碱土
金属原子时,n 为 1/2;M'为氢原子、碱
金属原子或碱土
金属原子;可用作
除草剂。