Herbicidally active monoesters and diesters of n-alkyl substituted amino methyl phosphonic acid and process for preparing same
申请人:MONSANTO COMPANY
公开号:EP0068732A1
公开(公告)日:1983-01-05
Monoesters and diesters of N-alkyl-substituted amino methyl phosphonic acid of the formula
wherein a + b = 2 and a is 0 or 1, Z, R and R, have various values, representative compounds being the ethyl, 2-chloroethyl, 2-ethoxyethyl and pentyl esters of N[(1-cyanoethoxy)hydroxy- phosphinyl]methylglycine, are made by reacting a phosphite of the formula P(OR1)3, water and a trisubstituted hexahydro-1,3,5-triazine of the formula
Compounds of formula are useful as herbicides.
式中 N-烷基取代氨基甲基膦酸的单酯和二酯
其中 a + b = 2,a 为 0 或 1,Z、R 和 R 具有不同的值,代表化合物为 N[(1-氰乙氧基)羟基-膦酰基]甲基甘氨酸的乙基酯、2-氯乙基酯、2-乙氧基乙基酯和戊基酯,由式 P(OR1)3、水和式三取代六氢-1,3,5-三嗪反应制得。
式化合物可用作除草剂。