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Issue 13, 2019
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Synthesis of bis(indolyl)methanes under dry grinding conditions, promoted by a Lewis acid–surfactant–SiO2-combined nanocatalyst

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Abstract

An in situ developed Lewis acid–surfactant–SiO2-combined (LASSC) nanocatalyst was used, for the first time, as a green and effective promoting medium for the electrophilic activation of aldehydes under solvent-free and dry grinding conditions. The advantages of using the LASSC nanocatalyst include avoiding the generation of wastewater containing sodium dodecyl sulfate and the use of toxic reagents, excellent reusability of the catalyst, and obtaining a high yield of bis(indolyl)methanes.

Graphical abstract: Synthesis of bis(indolyl)methanes under dry grinding conditions, promoted by a Lewis acid–surfactant–SiO2-combined nanocatalyst

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Supplementary files

Article information


Submitted
02 Apr 2019
Accepted
03 Jun 2019
First published
04 Jun 2019

Green Chem., 2019,21, 3542-3546
Article type
Communication

Synthesis of bis(indolyl)methanes under dry grinding conditions, promoted by a Lewis acid–surfactant–SiO2-combined nanocatalyst

Z. Wu, G. Wang, S. Yuan, D. Wu, W. Liu, B. Ma, S. Bi, H. Zhan and X. Chen, Green Chem., 2019, 21, 3542
DOI: 10.1039/C9GC01073D

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