申请人:Monsanto Technology LLC
公开号:US20030225298A1
公开(公告)日:2003-12-04
Novel compounds, N,N′-bis(phosphonomethyl)-N,N′-bis(hydroxycarbonylmethyl)urea and N,N,N′,N′-tetrakis(hydroxycarbonylmethyl)urea, suitable for use in preparing N-acyl aminocarboxylic acids that can be readily converted to N-(phosphonomethyl)glycine are provided. The compounds may be formed by the reaction of bis-(phosophonomethyl)urea or urea respectively with carbon monoxide and formaldehyde in the presence of a carboxymethylation catalyst precursor and solvent.
提供了适用于制备可轻松转化为N-(磷酸甲基)甘氨酸的N-酰基氨基羧酸的新化合物,即N,N′-双(膦酸甲基)-N,N′-双(羟基甲酰基)脲和N,N,N′,N′-四(羟基甲酰基)脲。这些化合物可以通过在羧甲基化催化剂前体和溶剂存在下,将双(膦酸甲基)脲或脲分别与一氧化碳和甲醛反应而形成。