申请人:TAKASAGO INTERNATIONAL CORPORATION
公开号:US20160207862A1
公开(公告)日:2016-07-21
The present invention provides a compound represented by the following general formula (A)
wherein 1′-position is optically active; and one of R1 and R2 represents a methyl group and the other represents an ethyl group, or both R1 and R2 represent a methyl group.
本发明提供了一种由以下通式(A)表示的化合物,其中1'-位置是光学活性的;R1和R2中的一个代表甲基基团,另一个代表乙基基团,或者R1和R2都代表甲基基团。