133618-79-8Relevant articles and documents
Allylic substitution by carbon nucleophiles on γ-bromo-α,β-unsaturated esters: competition with Michael induced ring closure
Roux-Schmitt, M. C.,Sevin, A.,Seyden-Penne, J.
, p. 857 - 863 (2007/10/02)
In THF, the reaction of lithiated aryl aceto- and propiononitriles or diphenylmethyleneacetonitrile with γ-bromo-α,β-unsaturated tertiary ester 1a does not give cyclopropanes but a SN' type allylic substitution.On the other hand, phenylacetates enolates a