Compound S7

(1,1-dibromobut-1-en-3-yn-2-yl)benzene

From: Polyyne formation via skeletal rearrangement induced by atomic manipulation

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Synthetic procedure: See article for the definitive version of this procedure and for full experimental details.

Dibromoolefin S7 had been previously synthesized by Morisaki et al. (Morisaki, Y., Luu, T. & Tykwinski, R. R. A One-Pot Synthesis and Functionalization of Polyynes. Org. Lett. 8, 689–692 (2006)). Their synthetic route was followed with a few modifications to prepare dibromoolefin S7.