4.4 Article

Bi(OTf)3-catalysed regioselective arylation of Morita-Baylis-Hillman type allylic electrophiles

Journal

TETRAHEDRON LETTERS
Volume 61, Issue 15, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2020.151758

Keywords

Morita-Baylis-Hillman; Lewis superacid; Friedel-Crafts reaction; Metal triflate; Bismuth triflate

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The Friedel-Crafts reaction of a wide variety of arenes and heteroarenes was accomplished, in good to excellent yields (50-98%) and with high alpha -regioselectivity, using Morita-Baylis-Hillman acetates. Functionalized conjugated enones were obtained under Bi(OTf)(3) catalysis (10 mol%) in dichloroethane (DCE) at 50 degrees C. (C) 2020 Elsevier Ltd. All rights reserved.

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