Copper(I) tert-Butoxide-Promoted 1,4 Csp2-to-O Silyl Migration: Stereospecific Allylation of (Z)-γ-Trimethylsilyl Allylic Alcohols
- 24 October 2001
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 3 (23) , 3811-3814
- https://doi.org/10.1021/ol016837w
Abstract
The cyclic silyl ethers, 2,2-dimethyl-1-oxa-2-sila-3-cyclopentenes, were produced by the treatment of (Z)-γ-trimethylsilyl allylic alcohols with a catalytic or stoichiometric amount of lithium tert-butoxide. On the other hand, successive treatment of the alcohols with copper(I) tert-butoxide and allylic halides followed by the tetrabutylammmonium fluoride assisted hydrolysis produced the allylation products, 2,5-alkadien-1-ols, with complete retention of configuration of the double bond.Keywords
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