Efficient catalyst-free bi- and triaroylation of aromatic rings in a single step |
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Authors: | Lo Fiego Marcos J Badajoz Mercedes A Silbestri Gustavo F Lockhart María T Chopa Alicia B |
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Affiliation: | INQUISUR, Departamento de Química, Universidad Nacional del Sur, Avenida Alem 1253, 8000 Bahía Blanca, Argentina. |
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Abstract: | The exceptional leaving group ability of the trimethylstannyl group in electrophilic aromatic substitutions makes possible the synthesis, in a single step, of bi- and triaroylarenes through the catalyst-free, regioselective reaction of bi- and tristannylarenes with different aroyl halides in o-dichlorobenzene as solvent. Specific di- and triketones are obtained in good to excellent yields (45-83%). |
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