Process for preparation of optically active halogeno hydroxypropyl compound and glycidyl compound
申请人:——
公开号:US20040024254A1
公开(公告)日:2004-02-05
A process for preparing regioselectively an optically active 1-halogeno-2-hydroxypropyl compound of the following formula;
1
wherein X is halogen atom and Nu is a heteroatom having a substituent,
and an optically active glycidyl compound of the formula;
2
which comprises reacting an optically active epihalohydrin of the formula;
3
with a neucleophilic agent,
in the presence of a metal complex of the formula;
4
wherein n is an integer of 0, 1 or 2, Y
1
, Y
2
and Y
3
are hydrogen atom, etc., and Y
2
and Y
3
may form a ring such as benzene, A is a counterion and M is a metal ion, and further subjecting the compound (4) to reaction with a base to prepare the optically active glycidyl compound (5).
一种制备具有下列结构的手性1-卤代-2-羟基丙基化合物的区域选择性方法;其中X是卤素原子,Nu是带有取代基的杂原子,以及具有下列结构的手性环氧丙烷化合物的方法;通过在金属配合物的存在下,将具有下列结构的手性环氧卤水合物与亲核试剂反应,其中金属配合物的结构如下;其中n为0、1或2的整数,Y1、Y2和Y3为氢原子等,而Y2和Y3可以形成苯环等,A为反离子,M为金属离子,进一步将化合物(4)与碱反应以制备手性环氧丙基化合物(5)。