申请人:Monsanto Company
公开号:US04764620A1
公开(公告)日:1988-08-16
Phosphinylbutanoic acids, such as phosphinothricin, can be prepared by reacting racemic 4-halo-2-phthalimidobutyrates with a tricoordinate phosphorus compound represented by the formula: R.sup.1 --P--(R.sup.2).sub.2 wherein R.sup.1 is methyl or ethyl, and R.sup.2 is selected from the group consisting of alkoxy having from one to six carbon atoms, aryloxy, and trialkylsilyloxy groups having from one to twelve carbon atoms, to form an intermediate compound; and hydrolyzing the intermediate compound to form the phosphinylbutanoic acids.
磷酰丁酸,如磷氨基丙酸,可以通过将外消旋的4-卤代-2-邻苯二甲酰丁酸酯与一种三配位磷化合物反应而制备,该磷化合物的结构式表示为:R.sup.1 --P--(R.sup.2).sub.2,其中R.sup.1为甲基或乙基,R.sup.2选自具有1至6个碳原子的烷氧基、芳基氧基和具有1至12个碳原子的三烷基硅氧基基团,以形成中间化合物;然后水解中间化合物以形成磷酰丁酸。