A new stereospecific route to α-alkylidene γ-lactones

…, P Perlmutter, AJ Smallridge

Index: Jackson, W. Roy; Perlmutter, Patrick; Smallridge, Andrew J. Journal of the Chemical Society, Chemical Communications, 1985 , # 21 p. 1509 - 1510

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Abstract

Hydrocyanation of a range of protected β-hydroxyalkynes give unsaturated nitriles which can be cyclised to-alkylidene γ-lactones and in most cases the regioselectivity of hydrocyanation can be controlled giving the desired cyanoalkenes with stereospecific formation of the-isomer.

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