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      Seeking Polymeric Prodrugs of Norfloxacin. Part 2. Synthesis and Structural Analysis of Polyurethane Conjugates

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          Abstract

          Oligo(ε-caprolactone) and oligolactide were synthesized via ring-opening polymerization of cyclic esters in the presence of creatinine as initiators. Thus obtained oligomers were successfully used in the synthesis of novel polyurethane conjugates of norfloxacin. The structures of the polymers and conjugates were elucidated by means of MALDI-TOF MS, NMR and IR studies.

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          Polymeric systems for controlled drug release.

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            Recent developments in ring opening polymerization of lactones for biomedical applications.

            Aliphatic polyesters prepared by ring-opening polymerization of lactones are now used worldwide as bioresorbable devices in surgery (orthopaedic devices, sutures, stents, tissue engineering, and adhesion barriers) and in pharmacology (control drug delivery). This review presents the various methods of the synthesis of polyesters and tailoring the properties by proper control of molecular weight, composition, and architecture so as to meet the stringent requirements of devices in the medical field. The effect of structure on properties and degradation has been discussed. The applications of these polymers in the biomedical field are described in detail.
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              Synthesis methods, chemical structures and phase structures of linear polyurethanes. Properties and applications of linear polyurethanes in polyurethane elastomers, copolymers and ionomers

              P Krol (2007)
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                Author and article information

                Journal
                Molecules
                Molecules
                molecules
                Molecules
                Molecular Diversity Preservation International
                1420-3049
                05 February 2010
                February 2010
                : 15
                : 2
                : 842-856
                Affiliations
                Department of Inorganic and Analytical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-097 Warsaw, Poland; E-Mails: katarzyna.nurzynska@ 123456op.pl (K.N.); waclaw.kolodziejski@ 123456wum.edu.pl (W.K.)
                Author notes
                [* ] Author to whom correspondence should be addressed; E-Mails: marcin.sobczak@ 123456wum.edu.pl ; marcin.sobczak@ 123456wp.pl ; Tel.: +48 22 572 07 55; Fax: +48 22 572 07 84.
                Article
                molecules-15-00842
                10.3390/molecules15020842
                6263196
                20335951
                23fc6b80-6924-485d-b063-7e1a6bc6501a
                © 2010 by the authors;

                licensee Molecular Diversity Preservation International, 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
                : 11 January 2010
                : 30 January 2010
                : 03 February 2010
                Categories
                Article

                aliphatic polyesters,aliphatic polyurethanes,ring-opening polymerization,macromolecular conjugates,prodrugs of norfloxacin

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