Ruthenium-catalysed multiple component transformations: one-step stereoselective synthesis of functional dienes from alkynes and carboxylic acids

Abstract
The precatalyst RuCl(cod)C5Me5 allows the head-to-head oxidative dimerization of terminal alkynes and the concommittent 1,4-addition of carboxylic acid to afford (1E,3E)-1-acyloxy-1,3-dienes in one step under mild conditions.

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