Chem. J. Chinese Universities ›› 1995, Vol. 16 ›› Issue (9): 1410.
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CHEN Wen-Hua, ZHANG Zheng, XU Xiao-Qing
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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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CHEN Wen-Hua, ZHANG Zheng, XU Xiao-Qing . Reaction of p-Nitrophenylsulfonylacetate with α,β-Unsaturated Esters Under Solid-Liquid Phase Transfer Conditions[J]. Chem. J. Chinese Universities, 1995, 16(9): 1410.
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