申请人:Stauffer Chemical Company
公开号:US04491548A1
公开(公告)日:1985-01-01
A process for preparing phosphonomethylated amino acids comprising phosphonomethylating an N-carbamylated amino acid derivative with formaldehyde and a phosphorus source to obtain a phosphonomethylated N-carbamylated amino acid derivative which is then hydrolyzed to the corresponding phosphonomethylated amino acid, e.g. glyphosate, or acid derivative.
一种制备
磷酸甲基化
氨基酸的方法,包括将N-
氨基甲酸酯衍
生物与
甲醛和
磷源进行
磷酸甲基化反应,得到
磷酸甲基化的N-
氨基甲酸酯衍
生物,然后将其
水解为相应的
磷酸甲基化
氨基酸,例如
草甘膦或酸衍
生物。