Synthesis, characterization and in vitro hydrolysis studies of ester and amide prodrugs of dexibuprofen

被引：11

作者：

Ashraf, Zaman ^{[1
]}

Imran, Muhammad ^{[2
]}

Amin, Shahid ^{[3
]}

机构：

[1] Allama Iqbal Open Univ, Dept Chem, Islamabad, Pakistan

[2] Riphah Int Univ, Riphah Inst Pharmaceut Sci, Islamabad, Pakistan

[3] Kohat Univ Sci & Technol, Kohat, Pakistan

来源：

MEDICINAL CHEMISTRY RESEARCH | 2012年 / 21卷 / 11期

关键词：

Prodrugs; Dexibuprofen; NSAIDs; NONSTEROIDAL ANTIINFLAMMATORY DRUGS; BLOOD-PRESSURE; IBUPROFEN; NSAIDS;

D O I：

10.1007/s00044-011-9866-z

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

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, H-1 NMR, and C-13 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.

引用

页码：3361 / 3368

页数：8