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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 30, Number 9
BKCSDE 30(9)
September 20, 2009 

 
Title
New and General Methods for the Synthesis of Arylmethylene
Bis(3-Hydroxy-2-Cyclohexene-1-Ones) and Xanthenediones by EDDA
and In(OTf)3-Catalyzed One-Pot Domino Knoevenagel/Michael
or Koevenagel/Michael/Cyclodehydration Reactions
Author
Doo Hwan Jung, Yong Rok Lee*, Sung Hong Kim, Won Seok Lyoo
Keywords
Arylmethylene bis(3-hydroxy-2-cyclohexene-1-one, Xanthenedione, EDDA, In(OTf)3, Koevenagel/
Michael/Cyclodehydration
Abstract
Efficient one-pot synthesis of arylmethylene bis(3-hydroxy-2-cyclohexene-1-ones) and xanthenediones by EDDA and In(OTf)3-catalyzed reactions was developed starting from dimedone and aryl aldehydes. The key strategies of these reactions involve domino Knoevenagel/Michael reaction or Koevenagel/Michael/Cyclodehydration reactions. The scope and limitation of the two catalysts under various reaction conditions were investigated and described.
Page
1989 - 1995
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