Tetrahedron Letters p. 7353 - 7354 (1990)
Update date:2022-09-26
Topics:
Tomooka, Katsuhiko
Watanabe, Masashi
Nakai, Takeshi
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.
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