Synlett

Baker-Venkataraman Rearrangement Under Microwave Irradiation: A New Strategy for the Synthesis of 3-Aroyl-5-hydroxyflavones

DCGA Pinto, AMS Silva, JAS Cavaleiro

Index: Pinto, Diana C. G. A.; Silva, Artur M. S.; Cavaleiro, Jose A. S. Synlett, 2007 , # 12 p. 1897 - 1900

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Citation Number: 9

Abstract

Abstract Microwave irradiation selectively induces the Baker-Venkataraman rearrangement of 2′, 6′-diaroyloxyacetophenones to give 3-aroyl-5-hydroxyflavones, in a very short reaction time. Under classical heating conditions these reactions afforded 5-hydroxyflavones as byproducts.

~71%

An efficient one-pot synthesis of flavones

[Chee, Chin Fei; Buckle, Michael J.C.; Rahman, Noorsaadah Abd. Tetrahedron Letters, 2011 , vol. 52, # 24 p. 3120 - 3123]

3??Aroyl??5??hydroxyflavones: Synthesis and Transformation i...

[Pinto, Diana C. G. A.; Silva, Artur M. S.; Almeida, Lucia M. P. M.; Cavaleiro, Jose A. S.; Elguero, Jose European Journal of Organic Chemistry, 2002 , # 22 p. 3807 - 3815]