Coupling Reactions of α-Bromoalkenyl Phosphonates with Aryl Boronic Acids and Alkenyl Borates
Authors:
- 1 November 2002
- journal article
- research article
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 4 (24) , 4241-4244
Abstract
Transition metal-catalyzed arylation and alkenylation of the α-bromoalkenyl phosphonates were investigated with organoboranes and -borates. Arylation was successful with the aryl boronic acids and a palladium catalyst, while alkenylation was found to proceed with alkenyl borates and a nickel catalyst. In addition, an intramolecular Diels−Alder reaction of the diene prepared by the alkenylation afforded the corresponding adduct.Keywords
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