Issue 20, 2022

Photo-driven metal-free multicomponent reaction between aldehydes, anilines and 4-substituted-DHPs for the synthesis of secondary amines

Abstract

A photocatalyst- and transition-metal-free multicomponent reaction of readily available aldehydes, primary amines and 4-alkyl-1,4-dihydropyridines (alkyl-DHPs) for the synthesis of secondary amines at room temperature under visible light irradiation has been accomplished. This transformation occurs smoothly under mild conditions to enable facile access to various secondary amines with high efficiency, wide substrate scope and good functional group tolerance, and can be readily scaled up. The selection of solvent strongly affects the reaction outcome, and CHCl3 turns out to be optimal. Moreover, the synthetic utility of this benign protocol is further showcased by its application in the late-stage functionalization of medicinally relevant complex molecules.

Graphical abstract: Photo-driven metal-free multicomponent reaction between aldehydes, anilines and 4-substituted-DHPs for the synthesis of secondary amines

Supplementary files

Article information

Article type
Paper
Submitted
15 ذو الحجة 1443
Accepted
18 صفر 1444
First published
19 صفر 1444

Green Chem., 2022,24, 7968-7973

Photo-driven metal-free multicomponent reaction between aldehydes, anilines and 4-substituted-DHPs for the synthesis of secondary amines

Z. Yao, J. Yang, Z. Luo, H. Wang, X. Zhang, J. Ye, L. Xu and Q. Shi, Green Chem., 2022, 24, 7968 DOI: 10.1039/D2GC02613A

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