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Chem. Commun., 2012,48, 11032-11034
03 Sep 2012,
24 Sep 2012
First published online
25 Sep 2012
An efficient, novel and direct access to 1-halo-1,3-butadienes is developed. This stereoselective ruthenium-catalysed reaction proceeds under mild conditions via the head-to-head oxidative coupling of two alkynes and a concomitant hydrohalogenation.