Visible Light-Induced [3+2] Cyclization Reactions of Hydrazones with Hypervalent Iodine Diazo Reagents for the Synthesis of 1-Amino-1,2,3-Triazoles

被引：40

作者：

Dong, Jun-Ying ^{[1
]}

Wang, He ^{[1
]}

Mao, Shukuan ^{[1
]}

Wang, Xin ^{[1
]}

Zhou, Ming-Dong ^{[1
]}

Li, Lei ^{[1
]}

机构：

[1] Liaoning Shihua Univ, Sch Chem & Mat Sci, Dandong Rd 1, Fushun 113001, Peoples R China

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2021年 / 363卷 / 08期

基金：

中国国家自然科学基金;

关键词：

3+2] Cyclization reactions; Hydrazones; Hypervalent iodine diazo reagents; Diazomethyl radical; Visible-light photoredox catalysis; ELECTROPHILES EFFICIENT SYNTHESIS; FUNCTIONALIZATION; CYCLOADDITION; STRATEGY; CASCADE; DIAZOCARBONYLS; ISOCYANIDES; SELECTIVITY; CHEMISTRY; CATALYSIS;

D O I：

10.1002/adsc.202001436

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

In this study, visible-light-induced [3+2] cyclization reactions of hydrazones with hypervalent iodine diazo reagents as diazomethyl radical precursors are reported. Mild reaction conditions, a broad substrate scope, and excellent functional group compatibility were observed. Furthermore, the synthetic utility was demonstrated by gram-scale synthesis and elaboration to several value-added products. This protocol broadens the scope of diazo chemistry, and is applicable to the late-stage functionalization of natural products.

引用

页码：2133 / 2139

页数：7

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