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Sabrina Castellano Marisabella Santoriello Pietro Campiglia Giovanna Cardillo Alessia Bertamino Isabel Gomez-Monterrey Ettore Novellino Gianluca Sbardella 《Tetrahedron letters》2009,50(49):6869-6871
An inexpensive and regioselective approach to dihydrothieno[3,2-g]quinoline-4,9-dione is reported. A combination of a mild version of Skraup reaction with a sequential substitution/Michael addition allowed the selective preparation in acceptable yield of a pharmacologically important quinone derivative, previously obtained only in trace and together with the other regioisomer. 相似文献
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