METHOD FOR PREPARING HALOGENATED ORGANOPHOSPHINES

摘要

The present application relates to a process for preparing a halogenated organophosphine, comprising reacting a primary or secondary organophosphine with a halogenating agent selected from (A) a compound of formula (I) : (HaI)3C-C(O)-X (I) wherein X is selected from alkyl, aryl, aralkyl, alkaryl, cycloalkyl, NR1R2, C(HaI)3, OR3, -0-C(O)-R3', or -Y-Z-Y-C(O)- C(HaI)3; R1 and R2 are each independently selected from hydrogen, alkyl, aryl, aralkyl, alkaryl, or cycloalkyl; R3 is selected from H, alkyl, aryl, aralkyl, alkaryl, cycloalkyl, or triorganosilyl; R3' is selected from C(HaI)3, alkyl, aryl, aralkyl, alkaryl, cycloalkyl; Y is independently selected from 0 or NH; Z is independently selected from alkylene, arylene, aralkylene, alkarylene, or cycloakylene; and Hal is selected from Cl or Br; or (B) a derivative of a polyol, polyamine or polyaminoalcohol comprising two or more hydroxyl and/or amino groups, in which a hydrogen atom in each of the hydroxyl and/or amino groups is replaced with a group -C(O)-C(HaI)3, wherein Hal is selected from Cl or Br.