Highly periselective [2,3]wittig rearrangements on dihydrofuran and dihydropyran rings
作者:Katsuhiko Tomooka、Masashi Watanabe、Takeshi Nakai
DOI:10.1016/s0040-4039(00)88564-0
日期:1990.1
The carbanion 3,5-arrangements involving the dihydrofuran and dihydropyran rings as migrating groups are shown to afford exclusively the [2,3]Wittig products with a remarkably high periselectivity and stereoselectivity.
显示涉及二氢呋喃和二氢吡喃环作为迁移基团的碳负离子3,5-排列仅提供[2,3] Wittig产物,其具有显着高的周选择性和立体选择性。