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A regioselective palladium-free protocol for accessing unsymmetrical biaryls through ring transformation of 6-aryl-~-pyrones

IR@CDRI: CSIR-Central Drug Research Institute, Lucknow

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Field Value
 
Creator Kumar, Amit
Singh, Fateh V
Goel, Atul
 
Date 2007-11-15T05:42:48Z
2007-11-15T05:42:48Z
2007
 
Identifier Tetrahedron Letters 48 (2007) 7283-7286
http://hdl.handle.net/123456789/21
 
Description A regioselective synthesis of unsymmetrical biaryls with electron withdrawing or donating substituents is described and illustrated by carbanion-induced ring transfonnation of 6-aryl-a-pyrones with methoxyacetone in excellent yield. Our methodology is an alternative to classical organometal-catalyzed aryl-aryl coupling reactions and can be applied to the synthesis of functionally demanding naphthyl biaryls for the development of new ligands for asymetric synthesis
 
Format 92259 bytes
application/pdf
 
Language en
 
Relation C.D.R.I. Communication No. 7255
 
Subject asymetric synthesis
regioselective
6-aryl-a-pyrones
carbanion-induced ring
 
Title A regioselective palladium-free protocol for accessing unsymmetrical biaryls through ring transformation of 6-aryl-~-pyrones
 
Type Article