The Geometry of the Carbanionic Moiety Influences the Non-Induced Diastereoselectivity of the -Wittig Rearrangement of Lithiated Diallyl Ethers

Article abstract of DOI:10.1016/S0040-4020(01)90391-6

Lithiated diallyl ethers with cis- or trans-configuration of the anionic moiety were generated from the diallyl ethers 10, from the vinylogous O,S-acetals 13, and from the O,S-acetals 14 by treatment with nBuLi (in the case of 10) or with lithium naphthal