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Abstract
A rapid and efficient S-(+) camphor sulfonic acid Glycine (CSAG), catalyzed, one-pot three-component Mannich reaction has been performed to synthesize ß-amino carbonyl compound at room temperature. The reaction gave desired products in good yield and excellent diastereoselectivity. Products in the presence of CSAG (15 mol%) with yields of 52–89% were obtained. This method offers a new modification and easy working process in mild reaction conditions with a low amount and catalyst recyclability up to at least three periods without significant reduction in performance (efficiency 88–77%). This report describes for the first time the preparation of CSAG catalysts for the synthesis of Mannich products.
Published Version
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