Light effect on Click reaction: Role of photonic quantum dot catalyst.
Due to the light excitation, the valence band electron of the copper (I) sulfide quantum dot transfer to the conduction band and act as a scavenger of the terminal proton of the alkyne in the presence of organic azide with the formation of 1,4-disubstituted 1,2,3-triazoles, where the copper(I) species of Cu2S act as a catalyst for the reaction. The above cycloaddition reaction between alkyne and azide is commonly known as the Click reaction. In this study, experiments were carried out under the exposure of ultra-violate and daylight and also dark environment. According to the original recommendation for the Click reaction, the role of the base was also considered for this experiment. We found that the effect of conduction band electron is more efficient than the recommended conventional base mediated reaction procedure.
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Debkumar
D
Nandi
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Abu
A
Taher
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Rafique Ul
RU
Islam
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Meenakshi
M
Choudhary
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Samarjeet
S
Siwal
Department of Chemistry, University of Johannesburg, P.O. Box: 524, Auckland Park 2006, South Africa.
Kaushik
K
Mallick