New Facile Synthesis of 3,4-Dihydroquinazoline-2(1 H )-thiones by a Sequential Ugi-Azide/Staudinger/Aza-Wittig/Cyclization Reaction

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期刊论文

作者：

Xiong, Jun*;Min, Qing;Yao, Gang;Zhang, Jia-An;Yu, Hai-Feng;...

通讯作者：

Xiong, Jun;Ding, Ming-Wu

作者机构：

[Yao, Gang; Xiong, Jun; Zhang, Jia-An; Min, Qing; Yu, Hai-Feng] Hubei Univ Sci & Technol, Sch Pharm, Xianning 437100, Hubei, Peoples R China.

[Xiong, Jun; Ding, MW; Ding, Ming-Wu] Cent China Normal Univ, Key Lab Pesticide & Chem Biol, Hubei Int Sci & Technol Cooperat Base Pesticide &, Minist Educ, Wuhan 430079, Hubei, Peoples R China.

通讯机构：

[Xiong, Jun] H

[Xiong, J; Ding, MW] C

Hubei Univ Sci & Technol, Sch Pharm, Xianning 437100, Hubei, Peoples R China.

Cent China Normal Univ, Key Lab Pesticide & Chem Biol, Hubei Int Sci & Technol Cooperat Base Pesticide &, Minist Educ, Wuhan 430079, Hubei, Peoples R China.

语种：

英文

关键词：

3,4-dihydroquinazoline-2(1 H)-thione;Ugi-azide reaction;methyldiphenylphosphane;aza-Wittig reaction;cyclization reaction

期刊：

SYNLETT

ISSN：

0936-5214

年：

2019

卷：

期：

页码：

1053-1056

DOI：

10.1055/s-0037-1611817

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21572075]; Doctoral Research Fund of Hubei University of Science and Technology [BK201808]; Hubei University of Science and Technology Pharmacy Key Discipline Foundation [2019-20YZ13]

机构署名：

本校为通讯机构

院系归属：

化学学院

摘要：

A new facile synthesis of 3,4-dihydroquinazoline-2(1 H)-thiones by an Ugi-azide/Staudinger/aza-Wittig/cyclization sequence has been developed. The Ugi-azide reactions of 2-azidobenzaldehydes, amines, trimethylsilyl azide, and isocyanides produced tetrazoles, which, when treated with methyldiphenylphosphane and CS 2, produced 3,4-dihydroquinazoline-2(1 H)-thiones in good overall yields via a sequential Staudinger/aza-Wittig/cyclization reac...

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New Facile Synthesis of 3,4-Dihydroquinazoline-2(1 H )-thiones by a Sequential Ugi-Azide/Staudinger/Aza-Wittig/Cyclization Reaction

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