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      Synthesis, Spectroscopic and Theoretical Studies of New Quasi-Podands from Bile Acid Derivatives Linked by 1,2,3-Triazole Rings

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          Abstract

          A novel method for the synthesis of bile acid derivatives has been developed using “click chemistry”. Intermolecular 1,3-dipolar cycloaddition of the propargyl ester of bile acids and azide groups of 1,3,5-tris(azidomethyl)benzene gave a new quasi-podands with 1,2,3-triazole rings. The structures of the products were confirmed by spectral ( 1H-NMR, 13C-NMR, and FT-IR) analysis, mass spectrometry and PM5 semiempirical methods. Estimation of the pharmacotherapeutic potential has been accomplished for synthesized compounds on the basis of Prediction of Activity Spectra for Substances (PASS).

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          Optimization of parameters for semiempirical methods I. Method

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            “On Water”: Unique Reactivity of Organic Compounds in Aqueous Suspension

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              Click chemistry reactions in medicinal chemistry: applications of the 1,3-dipolar cycloaddition between azides and alkynes.

              In recent years, there has been an ever-increasing need for rapid reactions that meet the three main criteria of an ideal synthesis: efficiency, versatility, and selectivity. Such reactions would allow medicinal chemistry to keep pace with the multitude of information derived from modern biological screening techniques. The present review describes one of these reactions, the 1,3-dipolar cycloaddition ("click-reaction") between azides and alkynes catalyzed by copper (I) salts. The simplicity of this reaction and the ease of purification of the resulting products have opened new opportunities in generating vast arrays of compounds with biological potential. The present review will outline the accomplishments of this strategy achieved so far and outline some of medicinal chemistry applications in which click-chemistry might be relevant in the future. (c) 2007 Wiley Periodicals, Inc.
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                Author and article information

                Journal
                Molecules
                Molecules
                molecules
                Molecules
                MDPI
                1420-3049
                24 February 2014
                February 2014
                : 19
                : 2
                : 2557-2570
                Affiliations
                Laboratory of Microbiocide Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, Poznań 60-780, Poland; E-Mails: koenig@ 123456amu.edu.pl (H.K.); iwkow@ 123456amu.edu.pl (I.K.)
                Author notes
                [* ]Authors to whom correspondence should be addressed; E-Mail: tposp@ 123456amu.edu.pl (T.P.); brycki@ 123456amu.edu.pl (B.B.); Tel.: +48-61-829-1307 (T.P.); +48-61-829-1314 (B.B.).
                Article
                molecules-19-02557
                10.3390/molecules19022557
                6270822
                24566321
                31cb9fad-1d60-4eca-933c-078f44723f7d
                © 2014 by the authors.

                Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                History
                : 17 December 2013
                : 19 February 2014
                : 20 February 2014
                Categories
                Article

                bile acids,podands,click chemistry,1,2,3-triazole ring,pm5 calculations

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