Synthesis and Evaluation of Pyridinyltriazoles as Inhibitors of p38 MAP Kinase

Moallem, Seyed Adel and Hadizadeh, Farzin and Abdol Abadi, Fatemeh and Shahraki, Mahmoud and Shamsara, Jamal (2012) Synthesis and Evaluation of Pyridinyltriazoles as Inhibitors of p38 MAP Kinase. Iranian Journal of Basic Medical Sciences, 15 (4). pp. 945-950.

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Abstract

Objective(s) Inhibitors of p38 MAP kinase are considered as suitable target in the treatment of inflammatory diseases such as rheumatoid arthritis and bowel inflammatory diseases. The development of 5-alkylthio-1-aryl-2-(4-pyridinyl) triazoles as inhibitors of p38 MAP kinase is described. These are analogues of 4- pyridinyl imidazole p38 MAP kinase inhibitor reported by Merck Research Laboratories, in which imidazole ring has been replaced with triazole. Materials and Methods Reaction of pyridine-4-carboxylic acid hydrazide 1 and arylisothiocyanate (2a, b) gave the intermediate thiourea derivative 3a, b (Figure 2). Refluxing of the latter in aqueous saturated sodium carbonate gave 1-aryl-5-mercapto-2-(4-pyridinyl) triazoles 4a, b. Treatment of 4a, b with alkyl iodide afforded the desired 5-alkylthio-1-aryl-2-(4-pyridinyl) triazoles (5a-d). P38 MAP kinase inhibitory activity of the synthesized compounds was evaluated in vitro by ELISA method and also by molecular docking. Results Compound 5c at 1 µM concentration and compound 5d at 1 µM and 10 µM significantly inhibited the p38 phosphorylation. These inhibitory effects are equal to those of standard compound SB202190 and no significant differences were observed. Conclusion We demonstrated that both tested compounds have inhibitory effect on p38 MAP kinase and we did not find significant difference between their inhibitory effects and those of standard inhibitor SB202190.

Item Type: Article
Subjects: QV pharmacology
Divisions: Journals > Iranian J Basic Medical Sciences
Depositing User: ijbms ijbms
Date Deposited: 28 Oct 2017 16:53
Last Modified: 28 Oct 2017 16:53
URI: http://eprints.mums.ac.ir/id/eprint/8387

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