Logo image
IRO Home Research units Researcher Profiles
Sign in
Diastereoselective Vinyl Addition to Chiral Hydrazones via Tandem Thiyl Radical Addition and Silicon-Tethered Cyclization
Journal article   Peer reviewed

Diastereoselective Vinyl Addition to Chiral Hydrazones via Tandem Thiyl Radical Addition and Silicon-Tethered Cyclization

Gregory K Friestad and Sara E Massari
Organic letters, Vol.2(26), pp.4237-4240
12/28/2000
DOI: 10.1021/ol0067991
PMID: 11150208

View Online

Abstract

A diastereoselective method for addition of a vinyl group to α-hydroxy hydrazones under neutral tin-free radical cyclization conditions, leading to substituted vinylglycinols, is presented. Tandem thiyl radical addition/cyclization upon a silicon-tethered vinyl group followed by treatment with potassium fluoride accomplishes a one-pot neutral vinyl addition process to afford acyclic allylic anti-hydrazino alcohols in good yield.

Details

Logo image