Journal
TETRAHEDRON
Volume 74, Issue 8, Pages 811-833Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2017.12.052
Keywords
Flavones; Baker-Venkataraman rearrangement; Carbonylative annulation; Oxa-Michael oxidative annulation; Oxidative coupling
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Funding
- CSIR, India [02(0253)/16/EMR-II]
- DST-SERB, India [YSS/2015/000934]
- UGC-FRP, India [F.4-5(128)/2014(BSR)]
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Flavones are present in a variety of medicines and natural products and are important structural motif due to their unique mode of physiological action. Hence the structural importance of flavone moiety has elicited a great deal of interest in the field of organic synthesis and chemical biology to develop some new and improved synthesis of this molecular skeleton. Herein, we have described an up to date overview on the recent advances in the diverse synthetic methodologies of flavones. The review covers the basic conceptual and practical catalytic synthesis like carbonylative annulation, cyclodehydration, Suzuki Miyaura coupling, Heck coupling, green methodologies, metal catalyzed reactions, organo-catalytic transformations, microwave irradiation, etc. which are significant for constructing flavone skeleton. This review will satisfy the expectations of readers who are interested in the development of the field and looking for an update. It will stimulate researchers to develop new and creative synthetic access to this heterocyclic systeM, which will be instrumental in the advancement of flavone chemistry. (C) 2018 Elsevier Ltd. All rights reserved.
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