申请人:Hoffmann-LaRoche Inc.
公开号:US04808736A1
公开(公告)日:1989-02-28
In this process of the invention a compound of the formula ##STR1## wherein R is a leaving group, is reacted with a compound of the formula ##STR2## wherein R.sup.1 is an ether protecting group, and, if desired a thus-obtained compound of the formula ##STR3## is converted in a known manner into d-.alpha.-tocopherol.
在这个发明的过程中,式子为##STR1##的化合物与式子为##STR2##的化合物反应,其中R是一个离去基团,R.sup.1是一个醚保护基团,如果需要,所得到的式子为##STR3##的化合物可以通过已知的方法转化为d-α-生育酚。