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Silica sulfuric acid: a versatile and reusable heterogeneous catalyst for the synthesis of N-acyl carbamates and oxazolidinones under solvent-free conditions

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Author(s): Liqiang Wu | Xiaojuan Yang | Fulin Yan

Journal: Bulletin of the Chemical Society of Ethiopia
ISSN 1011-3924

Volume: 25;
Issue: 1;
Start page: 151;
Date: 2011;
Original page

Keywords: N-Acyl carbamates | N-Acyl oxazolidinones | Silica sulfuric acid | Solvent-free

ABSTRACT
Silica sulfuric acid catalyzes efficiently the reaction of carbamates and oxazolidinones with anhydrides under solvent-free conditions. All the reactions were done at room temperature and the N-acyl carbamates and oxazolidinones were obtained with high yields and purity via an easy work-up procedure. This method is attractive and is in a close agreement with green chemistry.
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