Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (9): 1410.

• Articles • Previous Articles     Next Articles

Reaction of p-Nitrophenylsulfonylacetate with α,β-Unsaturated Esters Under Solid-Liquid Phase Transfer Conditions

CHEN Wen-Hua, ZHANG Zheng, XU Xiao-Qing   

  1. Department of Chemistry, Nanjing University, Nanjing, 210008
  • Received:1994-10-25 Revised:1995-02-08 Online:1995-09-24 Published:1995-09-24

Abstract: The reaction of p-nitrophenylsulfonylacetate with α,β-unsaturated esters under solid-liquid phase transfer conditions (K2CO3/DMF/TEBA) gave the unexpected Michael addition-rearrangement products, For example, the reaction of pnitrophenylsulfonylacetate with methyl methacrylate resulted in the formation of 2-methyl-2-(p-nitrophenyl) glutarate, presumably through the Michael adduct, which might rearrange to an intermediate, furtherlose sulfur dioxide and then led to the final product.

Key words: p-Nitrophenylsulfonylacetate, α,β-unsaturated ester, Solid-liquid phase-transfer catalysis, Michael addition

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