Facile Construction of 3,4‐dihydro‐2H‐1,2,4‐Benzothiadiazine 1,1‐Dioxides via Redox‐Neutral Cascade Condensation/[1,7]‐Hydride Transfer/Cyclization

Yingying Xing,Fengying Dong,Xiangcong Yin,Liang Wang,Shuai-Shuai Li

Asian Journal of Organic Chemistry（2020）

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摘要

The benzothiadiazine 1,1-dioxides were highly efficiently constructed via a (BF3Et2O)-Et-. promoted redox-neutral cascade condensation/[1,7]-hydride transfer/cyclization, which featured novel substrate skeletons, broad substrate scope, [1,7]-hydride transfer manner, metal-free conditions and the facile introduction of aryl, heteroaryl, allyl and propargyl groups etc.

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关键词

[1, 7]-hydride transfer, Cascade Reaction, Benzothiadiazine 1, 1-dioxides, Allylation, Propargylation

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