Citation: Ma Hao, Zou Lianning, Mi Linhan, Pan Haiting, Liao Chunyan, Teng Junjiang. Knoevenagel Condensation Reaction at Room Temperature under Solvent-Free Conditions Catalyzed by Activated Carbon-Supported Chitosan[J]. Chemistry, ;2018, 81(7): 616-624. shu

Knoevenagel Condensation Reaction at Room Temperature under Solvent-Free Conditions Catalyzed by Activated Carbon-Supported Chitosan

  • Corresponding author: Teng Junjiang, tjjteng@gdupt.edu.cn
  • Received Date: 4 January 2018
    Accepted Date: 28 April 2018

Figures(5)

  • The activated carbon (AC) supported chitosan (CS) catalyst, denoted as CS/AC, was prepared by a simple method. The physicochemical properties of the as-prepared catalyst were characterized by FT-IR, XRD, TG-DTG, SEM, BET, and elemental analysis. The catalytic performance was tested by the Knoevenagel condensation reaction, and the results showed that the catalyst can efficiently catalyze the Knoevenagel condensation reaction of a series of aromatic aldehydes with active methylene compounds at solvent-free and room temperature conditions, affording more than 80% products yield. Furthermore, when the reaction system is scaled up by 100 times, the catalyst still maintains high catalytic efficiency. Moreover, the catalyst can be recovered by simple filtration and reused at least 8 times without significant loss of activity, indicating that the catalyst is very stable.
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