An enantioselective ring opening of meso-epoxides with tetrachlorosilane in the presence of diisopropylethylamine exploiting chiral bipyridine N,N′-dioxides as catalysts affords the corresponding chlorohydrins in high enantioselectivities of up to 90% ee.
的对映体选择性开环内消旋与四
氯硅烷环氧化物在
二异丙基乙胺的手性利用联
吡啶的存在下Ñ,Ñ '-dioxides作为催化剂,得到高达90%ee的对映体选择性高的对应
氯醇。