Tetrahedron Letters p. 447 - 450 (1983)
Update date:2022-08-03
Topics:
Bridges, Alexander J.
Fischer, John W.
3-PhS(e)-(1),2-(di)halobutadienes undergo BF3 catalysed cycloadditions with methyl vinyl ketone at 25 deg C, to give good yields of adducts in which the regiochemistry of addition is mainly controlled by the sulfur (selenium) atom.
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