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      COMPARATIVE STUDIES OF LEWIS ACIDITY OF ALKYL-TIN CHLORIDES IN MULTICOMPONENT BIGINELLI CONDENSATION USING GRINDSTONE CHEMISTRY TECHNIQUE

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          Abstract

          A simple and efficient procedure for the one pot Biginelli Condensation Reaction of aldehydes, â-ketoester and urea employing SnCl4.5H2O /mono/di/tri-butyl- tin chloride as a novel catalyst is described. Compared to classical Biginelli reaction conditions, the present method has the advantages of good yields, short reaction times and experimental simplicity. Further, comparative efficiency of alkyl- tin chlorides in multicomponent Biginelli Condensation Reaction is also studied under solvent free conditions.

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          Ionic Liquid Applications in Peptide Chemistry: Synthesis, Purification and Analytical Characterization Processes

          This review aims to provide a comprehensive overview of the recent advances made in the field of ionic liquids in peptide chemistry and peptide analytics.
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            Author and article information

            Journal
            jcchems
            Journal of the Chilean Chemical Society
            J. Chil. Chem. Soc.
            Sociedad Chilena de Química (Concepción, , Chile )
            0717-9707
            March 2012
            : 57
            : 1
            : 1012-1016
            Affiliations
            [01] Lakshmangarh Rajasthan orgnameMody Institute of Technology and Science orgdiv1Faculty of Engineering and Technology orgdiv2Department of Chemistry India
            Article
            S0717-97072012000100013 S0717-9707(12)05700113
            10.4067/S0717-97072012000100013
            4e546fc2-6ec9-4158-baea-94a71c7c45e5

            This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

            History
            : 28 June 2011
            : 14 September 2011
            Page count
            Figures: 0, Tables: 0, Equations: 0, References: 41, Pages: 5
            Product

            SciELO Chile


            SnCl4.5H2O,Grindstone technique,Biginelli condensation,Dihydropyrimidinones,Lewis Acids

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