Irradiation of o-halothioacetanilides (1a-p) affords benzothiazoles (2a-p) in general.In methanol medium, polyhalogenated thioacetanilides yield benzothiazoles with the loss of bromine atom in the 4- or 6-position of the benzothiazole.Arylation of benzothiazoles occurs in benzene medium.
Paramasivam, R.,Ramakrishnan, V. T.
p. 930 - 934
(2007/10/02)
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