Synlett 2015; 26(05): 635-638
DOI: 10.1055/s-0034-1378947
letter
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Nitromethyl-Substituted Oxindole Derivatives via a Desulfonylation Cascade

Authors

  • Ben Niu

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Ping Xie

    b   Scientific Information Research Institute, Jiangsu University (Library), Xuefu Road 301, Zhenjiang, Jiangsu, 212013, P. R. of China
  • Zhaogang Bian

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Wannian Zhao

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Min Zhang

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Yang Zhou

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Lei Feng

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
  • Charles U. Pittman Jr

    c   Mississippi State University, Mississippi State, MS 39762, USA
  • Aihua Zhou*

    a   Pharmacy School, Jiangsu University, Xuefu Road 301, Zhenjiang, Jiangsu 212013, P. R. of China   eMail: ahz@ujs.edn.cn
Weitere Informationen

Publikationsverlauf

Received: 29. Juli 2014

Accepted after revision: 24. November 2014

Publikationsdatum:
09. Januar 2015 (online)


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Abstract

A cascade reaction giving nitromethyl-substituted oxindole derivatives was developed. The reaction used NaNO2 as the nitro source and potassium peroxydisulfate as an oxidant. This reaction proceeded via a radical mechanism involving substitution–desulfonlylation–cyclization steps in one pot and afforded good yields under mild conditions without using toxic metal catalysts. The resultant nitromethyl-substituted oxindole derivatives are convenient and valuable structures for different derivative syntheses.

Supporting Information