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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Acetylenic acids. III. The synthesis of pyridylpropiolic acids and esters and their reaction with thionyl chloride

WN Lok and AD Ward

Australian Journal of Chemistry 31(3) 617 - 625
Published: 1978

Abstract

A variety of synthetic routes to pyridinylpropiolic acids and esters have been investigated. The most convenient route to the esters involves the formation of the corresponding ethyl 3-oxo-3-pyridinyl-2-triphenylphosphoranediylpropanoates and their subsequent pyrolysis. The acids can be obtained by careful hydrolysis of the esters. The reaction of thionyl chloride with these compounds has been examined; in one case a low yield of a thieno[2,3-b]pyridine was obtained.

https://doi.org/10.1071/CH9780617

© CSIRO 1978

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