Croatica Chemica Acta, Vol. 88 No. 3, 2015.
Original scientific paper
https://doi.org/10.5562/cca2632
Eosin Y Catalyzed Visible-Light-Promoted Aerobic Oxidative Cyclization of 2-Aminobenzothiazole
Vishal Srivastava
; Laboratory of Green Synthesis, Department of Chemistry, University of Allahabad, 211002 Allahabad, India
Pravin K. Singh
; Food Analysis and Research Lab, Centre of Food Technology, University of Allahabad, 211002 Allahabad, India
Praveen P. Singh
; Department of Chemistry, United College of Engineering & Research, Naini, 211010 Allahabad, India
Abstract
A mild and efficient one-pot visible light irradiated synthesis of 2-aminobenzothiazole 4(a–l) from arylisothiocyanate 1(a–l) and secondary amines 2 have been reported in presence of eosin Y as an organophotoredox catalyst at room temperature under aerobic condition. This synthesis includes application of air and visible light as inexpensive, readily available, high atom economy, non-toxic and sustainable regents.
Keywords
Eosin Y; visible-light; organophotoredox; green chemistry; aerobic condition; oxidative cyclization; aminobenzothiazole; single electron transfer (SET)
Hrčak ID:
150526
URI
Publication date:
30.12.2015.
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