Journal Title
Title of Journal: Med Chem Res
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Abbravation: Medicinal Chemistry Research
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Publisher
Springer-Verlag
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Authors: Zaman Ashraf Muhammad Imran Shahid Amin
Publish Date: 2011/11/17
Volume: 21, Issue: 11, Pages: 3361-3368
Abstract
Ten prodrugs of dexibuprofen having ester and amide moieties instead of free carboxylic acid which involves in gastrointestinal side effects have been synthesized Dexibuprofen acid chloride was condensed with different amino acid methyl ester hydrochlorides and five alcohols to afford the amide and ester prodrugs All of the synthesized prodrugs were characterized by their mp R f elemental analysis FTIR 1H NMR and 13C NMR spectroscopy The in vitro hydrolysis studies in plasma reflect prodrugs have been varied in terms of reactivity toward hydrolysis owing to the different chemical structures In alkyl substitution the branched chain alkyl substituents or aromatic substituents resulted in enhanced lipophilicity but diminished dissolution and hydrolysis rate The amide prodrugs with branched and aromatic substitution can also be considered for sustained release Prodrugs are less irritating to gastric mucosa than dexibuprofen
Keywords:
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