METHOD OF PREPARING N-PHOSPHONOMETHYLGLYCINE Russian patent published in 1995 - IPC

FIELD: organic chemistry. SUBSTANCE: azabicycloalkane having formula 1 where R₂-R₇ represent independently hydrogen or C₁-C₄ alkyl, C₆H₅ or NO₂ is used as reagent 1. Y is COOR-group, CON(R₁)₂ or CN where R and R₁ represent independently hydrogen or C₁-C₄ alkyl. Compound of trivalent phosphorous having formula 2 is used as reagent 2 or 3. Reaction is carried out at 25-200 C in the presence of acid or solvent. Structure of compounds having formula 1, 2 and 3 are given in specification PX₃ (II), . EFFECT: improves efficiency of the method.