Multicomponent cascade reaction: dual role of copper in the synthesis of 1,2,3-triazole tethered benzimidazo[1,2-a]quinoline and their photophysical studies?

RSC Advances Pub Date: 2016-01-19 DOI: 10.1039/C5RA24048D

Abstract

One-pot synthesis of 1,2,3-triazole tethered benzimidazo[1,2-a]quinolines through a multi-component reaction is demonstrated. The domino/cascade reaction proceeds via click reaction, in which 1,2,3-triazole motif augment methylene group reactivity/N–C bond formation/Knoevenagel condensation in sequence. Overall one C–C bond and three C–N bonds are formed in a single step. In addition, photophysical properties of these new compounds were studied and compound 5u emerged as good fluorogenic substrate with quantum yield ～0.21.

Graphical abstract: Multicomponent cascade reaction: dual role of copper in the synthesis of 1,2,3-triazole tethered benzimidazo[1,2-a]quinoline and their photophysical studies
Recommended Literature