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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 4
BKCSDE 34(4)
April 20, 2013

Title	Novel Synthesis of 3-Phenyl-chromen-4-ones Using N-Heterocyclic Carbene as Organocatalyst: An Efficient Domino Catalysis Type Approach
Author	Priya Mishra, Sarita Singh, Preyas Ankit, Shahin Fatma, Divya Singh, Jagdamba Singh*
Keywords	Umpolung, Heterocycles, Thiamine (N-Heterocyclic carbene), Domino catalysis, Natural Products
Abstract	Herein is reported a simple and efficient synthesis of isoflavones starting from various substituted phenacyl bromides and salicylaldehydes in presence of NHC. The mechanism involved domino catalysis type approach with consumption and regeneration of catalyst in two catalytic cycles. This method proved to be very lucrative and gives very good yield. The method described here represents an environmentally benign alternative to classical approach.
Page	1070 - 1076
Full Text	PDF / Supporting Information

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