The present invention relates primarily to processes for preparing particular phosphorus-containing α-aminonitriles of the formulae (Ia) and (Ib) defined hereinafter from corresponding phosphorus-containing cyanohydrin esters and to the use thereof for preparation of glufosinate or of glufosinate salts. The present invention further relates to a process for preparing glufosinate or glufosinate salts.本發明主要關於從對應含磷之氰醇酯類製備以下定義之特定式(Ia)和(Ib)的含磷之α-胺基腈類的方法，及其用於製備固殺草或固殺草鹽的用途。本發明進一步關於製備固殺草或固殺草鹽的方法。
