The ene reaction of singlet oxygen with alkenes in the presence of titanium alkoxides was employed to prepare epoxy alcohols in high diastereoselectivity; enantioselectivity could be achieved by use of diethyl tartrate as chiral auxiliary.
在烷氧基
钛存在下,单线态氧与烯烃的烯反应用于高非对映选择性地制备环氧醇。对映选择性可以通过使用
酒石酸二
乙酯作为手性助剂来实现。