Hydantoin intermediates of the formulae:
and
where X is chloro or fluoro.
These intermediates are useful in preparing certain chiral hydantoins, including, when X = F, sorbinil, as described in European patent application publication no. 0037672.
式的海因中间体:
和
其中 X 为
氯或
氟。
这些中间体可用于制备某些手性海因,包括 X = F 时的
山梨醇,如欧洲专利申请公布号 0037672 所述。