申请人:Sumitomo Chemical Company, Limited
公开号:EP2264005A1
公开(公告)日:2010-12-22
A method of producing an optically active cyanohydrin compound represented by formula (3)
(wherein, Q1 and Q2 are as defined below, and * represents that the indicated carbon atom is the optically active center) comprising reacting an aldehyde compound represented by formula (2)
(wherein, Q1 and Q2 represent each independently a hydrogen atom, optionally substituted alkyl group having 1 to 6 carbon atoms, or the like) with hydrogen cyanide in the presence of a silyl compound and an asymmetric complex which is obtained by reacting an optically active pyridine compound represented by formula (1)
(wherein, R1 and R2 represent each independently a hydrogen atom, alkyl group having 1 to 6 carbon atoms, or the like, provided that R1 and R2 are not the same.) with an aluminum halide.
一种生产由式(3)表示的光学活性氰醇化合物的方法
(其中,Q1 和 Q2 如下文所定义,* 代表所指示的碳原子是光学活性中心)的方法,包括使式(2)所代表的醛化合物发生反应
(其中,Q1 和 Q2 各自独立地代表氢原子、具有 1 至 6 个碳原子的任选取代的烷基或类似基团)与氰化氢在硅烷基化合物和一种不对称络合物的存在下反应,该不对称络合物是由式(1)所代表的具有光学活性的吡啶化合物反应得到的
(其中,R1 和 R2 各自独立地代表氢原子、具有 1 至 6 个碳原子的烷基或类似基团,但 R1 和 R2 不能相同)与卤化铝反应。