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A one‐pot four‐component synthesis of 6‐aryl‐6H‐dibenzo[e,i][1,3,7,2]oxadiazaborecin‐8(7H)‐ones is described. Heating a mixture of isatoic anhydride and a benzylamine afforded the corresponding anthranilamide derivative, which was condensed with a 2‐hydroxybenzaldehyde and an arylboronic acid under solvent‐free conditions to produce bridgehead bicyclo[4.4.0]‐boron heterocycles in good to excellent...
A one-pot and three-component reaction is described for the preparation of 2,3-disubstituted isoindolin-1-ones. Heating a mixture of 2-formylbenzoic acid, a cyclic six-membered β-dicarbonyl compound, and a benzylamine under solvent-free conditions afforded the title compounds in good to excellent yields. The generality of the reaction was shown by the use of various β-dicarbonyl compounds including...
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