Tetrahedron Letters p. 2783 - 2786 (1988)
Update date:2022-07-31
Topics:
Haack, Richard A.
Penning, Thomas D.
Djuric, Stevan W.
Dziuba, John A.
trans-β-Bromostyrenes have been conveniently prepared in moderate to high yield in a one-pot two-step sequence. trans-1,2-Bis(tri-n-butylstannyl)ethylene underwent a smooth palladium(0) catalyzed coupling reaction with 0.5 equivalents of aromatic bromide or iodide to furnish a trans-β-stannylstyrene.This intermediate vinyl stannane, without isolation, was then converted to the substituted trans-bromostyrene on treatment with molecular bromine.
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