Tetrahedron

Cycloisomerization of γ-and δ-acetylenic acids catalyzed by gold (I) chloride

…, P Uriac, B Legouin, L Toupet, P van de Weghe

Index: Marchal, Estelle; Uriac, Philippe; Legouin, Beatrice; Toupet, Loic; Weghe, Pierre van de Tetrahedron, 2007 , vol. 63, # 40 p. 9979 - 9990

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Citation Number: 99

Abstract

We have developed a gold (I)-catalyzed intramolecular cyclization of γ-and δ-alkyne acids in mild conditions yielding various alkylidene lactones. Whereas a slight electronic effect of the R group was observed on the regioselectivity, bulky substituents on the R group bearing ...

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