Novel bis(aminomethyl)phosphinic acid derivatives and process for the preparation of bis(aminomethyl)phosphinic acid derivatives Compounds of the formula VI ##STR1## can be prepared by reaction of a compound of the formula IV ##STR2## with a base to give a compound of the formula Va or Vb ##STR3## and subsequent reaction with carbon nucleophiles; alternatively the compound of the formula VI is prepared by direct reaction of the compound of the formula IV e.g. with R.sup.2 Cu(CN)Li.sub.2, the above substituents having the meanings mentioned.
新型双(
氨甲基)
膦酸衍
生物及其制备方法。公式VI的化合物如下:##STR1## 通过将公式IV的化合物如下:##STR2## 与碱反应,得到公式Va或Vb的化合物如下:##STR3## 然后与碳亲核试剂反应,可以制备出公式VI的化合物。或者,可以直接将公式IV的化合物与R.sup.2 Cu(CN)Li.sub.2等物质进行反应,得到公式VI的化合物。上述取代基具有上文提到的含义。