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

[摘要]：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.

[全文传递流程]：

一般上传文献全文的时限在1个工作日内