Facile synthesis of new substituted 3-aryl/heteroarylflavones by Suzuki-Miyaura coupling of 3-bromoflavone with substituted aryu heteroarylboronic acids
Flavones 7a-k having aryl and heteroaryl substituents at 3-position were synthesized in a Panasonic microwave-oven by Suzuki-Miyaura cross coupling reaction using 3-bromoflavone 5 and substituted aryl and heteroaryl boronic acids 6a-k with tetrakistriphenylphospine-palladium |(C6H 6)3P]4Pd as catalyst and N,N-dimethylformamide (DMF)+ H2O (9:4) as solvent, and aq.Na2CO3(2N) as base.
Joshi, Vidya,Hatim, Jaywant Govind
p. 111 - 116
(2013/09/24)
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