Organic and Biomolecular Chemistry p. 4129 - 4135 (2016)
Update date:2022-07-30
Topics:
Nagarajaiah, Honnappa
Mishra, Abhaya Kumar
Moorthy, Jarugu Narasimha
α-Chloroketones-obtained by the atom-economical chlorination of ketones with trichloroisocyanuric acid (TCCA) in the presence of p-TSA under ball-milling conditions-were set up for a sequential base-mediated condensation reaction with thiourea/thiosemicarbazides, o-phenylenediamine and salicylaldehyde to afford 2-aminothiazoles, 2-hydrazinylthiazoles, quinoxalines and benzoylbenzofurans, respectively, in respectable yields. The viability of one-pot sequential acid- and base-mediated reactions in the solid state under ball-milling conditions is thus demonstrated.
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