Nucleophile-mediated oxa-Michael addition reactions of divinyl sulfone – a thiol-free option for step-growth polymerisations
作者:Simone Strasser、Christian Slugovc
DOI:10.1039/c5cy01527h
日期:——
Triphenylphosphine and 4-dimethylaminopyridine promote the oxa-Michael addition reaction of alcohols and divinyl sulfone. Under solvent-free conditions, the reaction is particularly fast and allows for the preparation of polymers.
Ring–Chain Tautomerism of the 1,4-Oxathiane S,S-Dioxide Anion
作者:Nashwa Hammad、Alan G. Sutherland
DOI:10.1039/a901601e
日期:——
The ring-chain tautomer of the α-sulfonyl anion of 1,4-oxathiane S,S-dioxide can be trapped by addition of alkoxides to the vinyl sulfone; the scope of this reaction is explored.