4.0 Article

Eosin Y Catalyzed Visible-Light-Promoted Aerobic Oxidative Cyclization of 2-Aminobenzothiazole

Journal

CROATICA CHEMICA ACTA
Volume 88, Issue 3, Pages 227-233

Publisher

CROATIAN CHEMICAL SOC
DOI: 10.5562/cca2632

Keywords

Eosin Y; visible-light; organophotoredox; green chemistry; aerobic condition; oxidative cyclization; aminobenzothiazole; single electron transfer (SET)

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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.

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