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Issue 94, 2014
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Mesoporous graphitic carbon nitride as a heterogeneous catalyst for photoinduced copper(i)-catalyzed azide–alkyne cycloaddition

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Abstract

A new protocol for the photoinduced copper(I)-catalyzed azide–alkyne cycloaddition (CuAAC) was developed. The system utilizes mesoporous graphitic carbon nitride (mpg-N3C4) as a heterogeneous photocatalyst to realize the in situ formation of the required copper(I) catalyst by reducing copper(II) species upon UV or sunlight irradiation. The efficiency of the system in regard to its ability to photoinitiate the CuAAC of a variety of aliphatic and aromatic azides and alkynes in different solvents was examined. Photocalorimetric measurements confirmed that the rate of the reaction depends on the light intensity and continuous or intermittent irradiation. Importantly, because of the heterogeneous nature of the photocatalyst, mpg-C3N4 can easily be separated and reused in further reactions without loss of activity.

Graphical abstract: Mesoporous graphitic carbon nitride as a heterogeneous catalyst for photoinduced copper(i)-catalyzed azide–alkyne cycloaddition

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Article information


Submitted
06 Sep 2014
Accepted
10 Oct 2014
First published
10 Oct 2014

RSC Adv., 2014,4, 52170-52173
Article type
Communication
Author version available

Mesoporous graphitic carbon nitride as a heterogeneous catalyst for photoinduced copper(I)-catalyzed azide–alkyne cycloaddition

S. Dadashi-Silab, B. Kiskan, M. Antonietti and Y. Yagci, RSC Adv., 2014, 4, 52170
DOI: 10.1039/C4RA09954K

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