Citation: Mei Xin ZHAO, Qun LIU, Yu Lan HU, De Long LI. α-Oxo Ketene Dithioacetals Chemistry-A Facile Route to the Synthesis of Fused Heterocyclic Compounds[J]. Chinese Chemical Letters, ;2000, 11(4): 283-284. shu

α-Oxo Ketene Dithioacetals Chemistry-A Facile Route to the Synthesis of Fused Heterocyclic Compounds

Department of Chemistry, Northeast Normal University, Changchun 130024

Received Date: 4 November 1999

The fused heterocyclic compounds 2:imidazo[1,2-a] pyridine 2a-c and pyrido[1,2-a] pyrimidine 2d were obtained from the reaction of α-cinnamoyl ketene dibenzylthio acetals 1 with diamine. When α-cinnamoyl-α'-benzoyl ketene N, N-acetals 3a-b were treated by t-BuONa/t-BuOH solution, 8-benzoyl-pyrido[1,2-a] pyrimidine 4 was produced.
- α-Cinnamoyl ketene dibenzylthio acetals,
- diamine,
- α-cinnamoyl-α'-benzoyl ketene N,
- N-acetals,
- fused heterocyclic compounds
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