Abstract
A series of 2-methyl-N-substituted-benzimidazoles, bearing hydroxypyrrolidinon-5-yl or hydroxypyrrolidin-2- yl, 2,3:5,6-di-O-isopropylidene-α-D-mannofuranoside, 2,3,5,6-tetrahydroxy-α-D-mannofuranoside, 1:2,5:6-di-O-isopropylidene- α-D-gluco-furanose,3-O-benzyl-6,7-dideoxy-1:2-O-isopropylidene-α-D-xylo-heptofuranos-5-ulose, 3-O-benzyl- 6,7-dideoxy-1,2-dihydroxy-α-D-xylo-heptofuranos-5-ulose, 1,2,5,6-tetrahydroxy-α-D-glucofuranose sugar moieties, were obtained in good yields from 2-methyl N-(trichloroacetamidomethyl)benzimidazole as a donor and carbohydrate residues as acceptor precursors in the presence of catalytic amount of trimethylsilyl trifluoromethanesulfonate (TMSOTf) as Lewis acid. Compounds 6, 7, 10, 13, 15, and 16 showed significant anti-inflammatory and analgesic activities.
Keywords: Benzimidazole, trichloroacetimidate, imidomethylation, anti-inflammatory, analgesic
Medicinal Chemistry
Title: Structure-Based Design of Benzimidazole Sugar Conjugates: Synthesis, SAR and In Vivo Anti-inflammatory and Analgesic Activities
Volume: 5 Issue: 6
Author(s): Ahmed O.H. El-Nezhawy, Samir T. Gaballah, Mohamed A.A. Radwan, Ayman R. Baiuomy and Omar M.E. Abdel-Salam
Affiliation:
Keywords: Benzimidazole, trichloroacetimidate, imidomethylation, anti-inflammatory, analgesic
Abstract: A series of 2-methyl-N-substituted-benzimidazoles, bearing hydroxypyrrolidinon-5-yl or hydroxypyrrolidin-2- yl, 2,3:5,6-di-O-isopropylidene-α-D-mannofuranoside, 2,3,5,6-tetrahydroxy-α-D-mannofuranoside, 1:2,5:6-di-O-isopropylidene- α-D-gluco-furanose,3-O-benzyl-6,7-dideoxy-1:2-O-isopropylidene-α-D-xylo-heptofuranos-5-ulose, 3-O-benzyl- 6,7-dideoxy-1,2-dihydroxy-α-D-xylo-heptofuranos-5-ulose, 1,2,5,6-tetrahydroxy-α-D-glucofuranose sugar moieties, were obtained in good yields from 2-methyl N-(trichloroacetamidomethyl)benzimidazole as a donor and carbohydrate residues as acceptor precursors in the presence of catalytic amount of trimethylsilyl trifluoromethanesulfonate (TMSOTf) as Lewis acid. Compounds 6, 7, 10, 13, 15, and 16 showed significant anti-inflammatory and analgesic activities.
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Cite this article as:
El-Nezhawy O.H. Ahmed, Gaballah T. Samir, Radwan A.A. Mohamed, Baiuomy R. Ayman and Abdel-Salam M.E. Omar, Structure-Based Design of Benzimidazole Sugar Conjugates: Synthesis, SAR and In Vivo Anti-inflammatory and Analgesic Activities, Medicinal Chemistry 2009; 5 (6) . https://dx.doi.org/10.2174/157340609790170461
DOI https://dx.doi.org/10.2174/157340609790170461 |
Print ISSN 1573-4064 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6638 |
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