Journal of East China Normal University(Natural Sc ›› 2008, Vol. 2008 ›› Issue (4): 109-113.

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Study of synthesis of 3-(4-phenyl-1,3-dithiolan-2-ylidene)pentane-2,4-dione and its condensation reaction with arylaldehydes(Chinese)

WANG Yan-ru1,2, YU Hai-feng1,3, LI Xiao-fang1, LIU Qun1   

  1. 1. College of Chemistry,Northeast Normal University,Changchun 130024,China； 2. College of Chemistry and Biology, Beihua University, Jilin Jilin 132013, China； 3. Department of Chemistry,Anshan Teachers University, Anshan Liaoning 114007,China
  • Received:2007-06-01 Revised:2007-08-01 Online:2008-07-25 Published:2008-07-25
  • Contact: LIU Qun

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Abstract: 3-(4-Phenyl-1,3-dithiolan-2-ylidene)pentane-2,4-dione (2) was prepared in moderate(47%) yield by the reaction of acetylacetone with carbon disulfide and 1-(1,2-dibromoethyl)benzene using potassium carbonate as base.Under the optimized conditions, the condensation of compound 2 with arylaldehydes led to the corresponding products α-acetyl-α′cinnamoyl ketene dithioacetals 1d and α，α′-dicinnamoyl ketene dithioacetals 1e, respectively, in high to excellent yields.

Key words: 3-dithiolan-2-ylidene)pentane-2, 4-dione, Arylaldehydes, Condensation Reaction, 3-(4-phenyl-1, 3-dithiolan-2-ylidene)pentane-2, 4-dione, Arylaldehydes, Condensation Reaction

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