申请人:Zavorine Serguei I.
公开号:US20110071319A1
公开(公告)日:2011-03-24
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)
3
C—C(O)—X (I) wherein X is selected from alkyl, aryl, aralkyl, alkaryl, cycloalkyl, NR
1
R
2
, C(HaI)
3
, OR
3
, -0—C(O)—R
3′
, 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; R
3′
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.
本申请涉及一种制备卤代有机膦的方法,包括将一种一级或二级有机膦与一种卤化试剂反应,所述卤化试剂选自以下组合物:(A)式(I)的化合物:(HaI)3C—C(O)—X(I),其中X选自烷基、芳基、芳基烷基、烷芳基、环烷基、NR1R2、C(HaI)3、OR3、-0—C(O)—R3'或—Y—Z—Y—C(HaI)3;R1和R2各自独立地选自氢、烷基、芳基、芳基烷基、烷芳基或环烷基;R3选自H、烷基、芳基、芳基烷基、烷芳基、环烷基或三有机硅基;R3'选自C(HaI)3、烷基、芳基、芳基烷基、烷芳基或环烷基;Y各自独立地选自0或NH;Z各自独立地选自烷基、芳基、芳基烷基、烷芳基或环烷基;Hal选自Cl或Br;或(B)一种多元醇、多胺或多胺醇的衍生物,其中包含两个或两个以上的羟基和/或氨基团,其中每个羟基和/或氨基团中的一个氢原子被一个基团—C(O)—C(HaI)3所取代,其中Hal选自Cl或Br。