Approaching ambient temperatures in 1, 2-DCE to deliver efficient intermolecular Dötz benzannulation processes
S Irvine, WJ Kerr, AR McPherson, CM Pearson
Index: Irvine, Stephanie; Kerr, William J.; McPherson, Allan R.; Pearson, Colin M. Tetrahedron, 2008 , vol. 64, # 5 p. 926 - 935
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Citation Number: 10
Abstract
Conditions have been developed that enable intermolecular Dötz benzannulations to be carried out under extremely mild conditions, using 1, 2-DCE as the reaction solvent and without the requirement for any additional reaction promoters. The new protocols, at temperatures close to ambient, have been applied successfully to a range of internal and terminal alkynes with a series of aryl and alkenyl carbene complexes, resulting in good to ...
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