Efficient Synthesis of 5H-Indazolo[3,2-b]-1,3,4-benzotriazepines by a Tandem Aza-Wittig Cyclization

Fen-Fen Zhao; Hao Zhang; Ming-Wu Ding

doi:10.1055/s-0032-1316834

Synthesis, Inhaltsverzeichnis

Synthesis 2013; 45(3): 365-369
DOI: 10.1055/s-0032-1316834

paper

Efficient Synthesis of 5H-Indazolo[3,2-b]-1,3,4-benzotriazepines by a Tandem Aza-Wittig Cyclization

Fen-Fen Zhao

Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Central China Normal University, Wuhan 430079, P. R. of China Fax: +86(27)67862041 eMail: mwding@mail.ccnu.edu.cn

,

Hao Zhang

Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Central China Normal University, Wuhan 430079, P. R. of China Fax: +86(27)67862041 eMail: mwding@mail.ccnu.edu.cn

,

Ming-Wu Ding*

Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Central China Normal University, Wuhan 430079, P. R. of China Fax: +86(27)67862041 eMail: mwding@mail.ccnu.edu.cn

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Abstract

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Abstract

5H-Indazolo[3,2-b]-1,3,4-benzotriazepines were directly prepared by the reaction of azides with triphenylphosphine via a tandem aza-Wittig cyclization in good yields.

Key words

5H-indazolo[3,2-b]-1,3,4-benzotriazepine - aza-Wittig reaction - tandem reaction - iminophosphorane - azide

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Referenzen

References
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