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Cu/Cu 2 O@g‐C 3 N 4 : Recyclable Photocatalyst under Visible Light to Access 2‐Aryl‐/benzimidazoles/benzothiazoles in Water
Author(s) -
Singh Puneet K.,
Bhardiya Smita R.,
Asati Ambika,
Rai Vijai K.,
Singh Manorama,
Rai Ankita
Publication year - 2020
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.202003812
Subject(s) - visible spectrum , catalysis , yield (engineering) , selectivity , chemistry , aryl , photocatalysis , aqueous medium , aqueous solution , combinatorial chemistry , photochemistry , nuclear chemistry , materials science , organic chemistry , optoelectronics , alkyl , metallurgy
An unprecedented Cu/Cu 2 O@g‐C 3 N 4 catalysed visible light driven green synthesis of 2‐aryl‐/benzimidazoles and benzothiazoles is reported via condensation of structurally different aldehydes with o ‐phenylenediamine and o ‐aminothiophenol respectively. Herein, Synergistic catalysis is operating as both Cu/Cu 2 O@g‐C 3 N 4 and visible‐light condition are required, no product was isolated in absence of either. Operational simplicity, ambient reaction conditions, aqueous medium, good yield of products (80–94 %) and recyclability of the catalyst without any loss in catalytic efficiency and selectivity are salient features of the envisaged protocol.