The Inside Back cover picture shows a recyclable catalytic method for the synthesis of ureas, oxamides, 2-oxazolidinones, and benzoxazolones by direct oxidative carbonylation of amines, β-amino alcohols, and 2-aminophenols. Reactions are carried out in an ionic liquid (IL) as the solvent ([Bmim][BF4]) at 100 °C and a pressure of 20 bar (4:1 mixture of CO–air) under non-explosive conditions and in the presence of catalytic amounts of PdI2 (0.2–1 mol %) in conjunction with KI (KI/PdI2 molar ratio: 10). The IL–catalyst system could be recycled several times without appreciable loss of activity whereas the products could be easily recovered from the reaction mixture by extraction with Et2O followed by crystallization. The ethereal solvent used for extraction could also be easily recovered and reused. More details can be found in the Full Paper by Mancuso et al. (DOI: 10.1002/cssc.201500343).

Inside Back Cover: Catalytic Oxidative Carbonylation of Amino Moieties to Ureas, Oxamides, 2-Oxazolidinones, and Benzoxazolones (ChemSusChem 13/2015) / Mancuso, Raffaella; Raut, Dnyaneshwar S.; Della ca', Nicola; Fini, Francesco; Carfagna, Carla; Gabriele, Bartolo. - 8(2015), pp. 2268-2268.

Inside Back Cover: Catalytic Oxidative Carbonylation of Amino Moieties to Ureas, Oxamides, 2-Oxazolidinones, and Benzoxazolones (ChemSusChem 13/2015)

DELLA CA', Nicola;
2015

Abstract

The Inside Back cover picture shows a recyclable catalytic method for the synthesis of ureas, oxamides, 2-oxazolidinones, and benzoxazolones by direct oxidative carbonylation of amines, β-amino alcohols, and 2-aminophenols. Reactions are carried out in an ionic liquid (IL) as the solvent ([Bmim][BF4]) at 100 °C and a pressure of 20 bar (4:1 mixture of CO–air) under non-explosive conditions and in the presence of catalytic amounts of PdI2 (0.2–1 mol %) in conjunction with KI (KI/PdI2 molar ratio: 10). The IL–catalyst system could be recycled several times without appreciable loss of activity whereas the products could be easily recovered from the reaction mixture by extraction with Et2O followed by crystallization. The ethereal solvent used for extraction could also be easily recovered and reused. More details can be found in the Full Paper by Mancuso et al. (DOI: 10.1002/cssc.201500343).
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11381/2797494
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