A GENERAL METHOD TO POLYSUBSTITUTED 4-CYANO-4-PHENYLSULFONYLBUTYRIC ESTERS

Zongbao Zhao Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Lingling Lu, Shanghai, 200032, P. R. China

Yu Ding Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Lingling Lu, Shanghai, 200032, P. R. ChinaCorrespondence[email protected]

Gang Zhao Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Lingling Lu, Shanghai, 200032, P. R. China

Abstract

Polysubstituted 4-cyano-4-phenylsulfonylbutyric esters are prepared by the addition of bromoacetate to 1-cyano-1-phenylsulfonyl alkenes mediated by Zn/Cp₂TiCl₂(cat.) at room temperature in good to high yield.

ACKNOWLEDGMENTS

We thank the National Natural Science Foundation of China for financial support.

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A GENERAL METHOD TO POLYSUBSTITUTED 4-CYANO-4-PHENYLSULFONYLBUTYRIC ESTERS

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A GENERAL METHOD TO POLYSUBSTITUTED 4-CYANO-4-PHENYLSULFONYLBUTYRIC ESTERS

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