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Beilstein J Org Chem. 2011;7:1198-204. doi: 10.3762/bjoc.7.139. Epub 2011 Sep 01.

Gold(I)-catalyzed synthesis of γ-vinylbutyrolactones by intramolecular oxaallylic alkylation with alcohols.

Beilstein journal of organic chemistry

Michel Chiarucci, Mirko Locritani, Gianpiero Cera, Marco Bandini

Affiliations

  1. Dipartimento di Chimica "G. Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126 Bologna, Italy.

PMID: 21977203 PMCID: PMC3182428 DOI: 10.3762/bjoc.7.139

Abstract

Gold(I)-N-heterocyclic carbene (NHC) complexes proved to be a reliable catalytic system for the direct synthesis of functionalized γ-vinylbutyrolactones by intramolecular oxaallylic alkylation with primary alcohols. Good isolated chemical yields were obtained for a range of malonyl and acetate derivatives. The good performance in reagent-grade solvents and the functional group/moisture tolerance make this catalytic process a promising route for the synthesis of architecturally complex polycyclic structures.

Keywords: alcohol; butyrolactone; carbene; gold-catalysis; intramolecular oxaallylic alkylation

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