申请人:ISTITUTO GUIDO DONEGANI S.p.A.
公开号:EP0187674A2
公开(公告)日:1986-07-16
There is disclosed a process for preparing polyha- logented carbinols having formula:
by reacting a compound having the formula:
with a system consisting of a compound having the formula:
and of a divalent metal or of a metal salt, in (an) aprotic dipolar solvent(s), wherein R = H, an alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkadienyl, phenyl, naphthyl, anthracyl group, a heterocyclic radical, each optionally substituted;
R' = H, a haloalkyl, -CN, -COOR" group, R" being H or an alkyl group,
X1 = Cl, Br; X2 = Cl, Br;
X3 = Cl, Br, CF: CCl3; Y = Br or Cl when X1, X2 and X3 are different from Br.
本发明公开了一种制备具有以下式子的多元醇的工艺:
式的化合物与由式
的化合物与由式
和二价金属或金属盐组成的体系,在(一种)非烷基双极性溶剂中进行反应,其中 R = H、烷基、环烷基、烯基、环烯基、烷二烯基、苯基、萘基、蒽基、杂环基,每个基团均任选被取代;
R' = H、卤代烷基、-CN、-COOR "基团,R "为 H 或烷基、
X1 = Cl、Br; X2 = Cl、Br;
X3=Cl、Br、CF:CCl3;当 X1、X2 和 X3 与 Br 不同时,Y=Br 或 Cl。