申请人:Hamada Takayuki
公开号:US20080287687A1
公开(公告)日:2008-11-20
The present invention relates to a production method of a compound represented by the formula (3), which includes reacting a compound represented by the formula (2) with a diphenylmethyl halide compound represented by the formula (1) in the presence of alkali metal alkoxide. According to the method of the present invention, compound (3) can be produced at a high purity and in a high yield.
wherein each symbol is as defined in the specification, *1 and *2 each show an asymmetric carbon atom, and the configuration of the asymmetric carbon atom of *1 and *2 is (S,S) or (R,R).
本发明涉及一种化合物的生产方法,所述化合物由公式(3)表示,包括在碱金属烷氧化物存在下,将由公式(2)表示的化合物与由公式(1)表示的二苯甲基卤代化合物反应。根据本发明的方法,化合物(3)可以以高纯度和高收率生产。其中,每个符号如规范中定义,*1和*2各显示一个不对称碳原子,*1和*2的不对称碳原子的构型为(S,S)或(R,R)。