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A convenient stereoselective synthesis of conjugated (2Z)-en-4-ynoic and (2Z, 4Z)-and (2Z, 4E)-dienoic acid derivatives from propiolic acid derivatives

X Lu, X Huang, S Ma

Index: Lu, Xiyan; Huang, Xiaoling; Ma, Shengming Tetrahedron Letters, 1992 , vol. 33, # 18 p. 2535 - 2538

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Citation Number: 33

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The palladium-catalyzed one-pot sequential reaction of propiolic acid derivatives with lithium halides first, and then with terminal alkynes or alkenes affords conjugated (2Z) -en-4-ynoic and (2Z,4Z)- and (2Z,4E)- dienoic acid derivatives with high stereoselectivity.

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