Photocatalytic Umpolung Synthesis of Nucleophilic π-Allylcobalt Complexes for Allylation of Aldehydes

被引：31

作者：

Shi, Caizhe ^{[1
]}

Li, Fusheng ^{[1
]}

Chen, Yuqing ^{[1
]}

Lin, Shuangjie ^{[1
]}

Hao, Erjun ^{[2
]}

Guo, Zhuowen ^{[1
]}

Wosqa, Urwa Tul ^{[1
]}

Zhang, Dandan ^{[1
]}

Shi, Lei ^{[1
,2
]}

机构：

[1] Dalian Univ Technol, Zhang Dayu Sch Chem, State Key Lab Fine Chem, Dalian 116024, Liaoning, Peoples R China

[2] Henan Normal Univ, Henan Key Lab Organ Funct Mol & Drug Innovat, Key Lab Green Chem Media & React, Minist Educ,Sch Chem & Chem Engn, Xinxiang 453007, Henan, Peoples R China

来源：

ACS CATALYSIS | 2021年 / 11卷 / 05期

关键词：

pi-allylcobalt complexes; photoredox catalysis; allylation; umpolung; alcohol;

D O I：

10.1021/acscatal.0c05330

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The concept of "umpolung" reactivity of p-allylmetal complexes has been developed as a powerful method for the allylation of aldehydes. This paper describes the photocatalytic umpolung strategy for the synthesis of nucleophilic allylcobalt complexes through a single-electron-transfer (SET) process. This strategy enables the metallaphotoredox allylation of carbonyls with allyl acetate using organic N,N-diisopropylethylamine as the terminal reductant bypassing the use of a stoichiometric amount of metals. Ultraviolet-visible spectroscopy was used to monitor the redox changes of cobalt in the reaction.

引用

页码：2992 / 2998

页数：7

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