Pyrazine Based Type-I Sensitizing Assemblies for Photoreduction of Cu(II) in 'One-Pot Three-Component' CuAAC Reaction Under Aerial Conditions

被引：2

作者：

Kumar, Sourav ^{[1
]}

Kumar, Manoj ^{[1
]}

Bhalla, Vandana ^{[1
]}

机构：

[1] Guru Nanak Dev Univ, UGC Sponsored Ctr Adv Studies II, Dept Chem, Amritsar 143005, Punjab, India

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2021年 / 16卷 / 23期

关键词：

donor-acceptor systems; sensitizer; electron transport; aggregation; reduction; CLICK CHEMISTRY; CATALYTIC-SYSTEM; TERMINAL ALKYNES; COPPER; CYCLOADDITION; NANOPARTICLES; 1,2,3-TRIAZOLES;

D O I：

10.1002/asia.202101007

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Photosensitizing assemblies of pyrazine derivative PDA have been developed which exhibit a high photostability, 'lighted' excited state, balanced redox potential, high transportation potential and activate oxygen via type-I pathway only. These PDA assemblies in combination with Cu(II) ions catalyze the CuAAC reaction via in situ reduction of Cu(II) ions without any reducing or stabilizing agent. The present protocol has wide substrate scope with recyclability of the catalytic system up to six catalytic cycles and is applicable to gram-scale synthesis.

引用

页码：3944 / 3950

页数：7

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