SYNTHESIS, ANALGESIC AND ANTI-INFLAMMATORY ACTIVITIES OF NEW METHYL-IMIDAZOLYL-1, 3, 4-OXADIAZOLES AND 1, 2, 4-TRIAZOLES

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ALMASIRAD ALI; MOUSAVI ZAHRA; TAJIK MOHAMMAD; ASSARZADEH MOHAMMAD JAVAD; SHAFIEE ABBAS

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Journal: DARU Journal of Pharmaceutical Sciences Year:2014 | Volume:22 | Issue:1 Page(s): 1-8

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Title

SYNTHESIS, ANALGESIC AND ANTI-INFLAMMATORY ACTIVITIES OF NEW METHYL-IMIDAZOLYL-1, 3, 4-OXADIAZOLES AND 1, 2, 4-TRIAZOLES

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Keywords

ANALGESIC

ANTI-INFLAMMATORY

NON ULCEROGENIC

IMIDAZOLE

OXADIAZOLE

TRIAZOLE

Abstract

Background: Long-term clinical employment of nonsteroidal ANTI-INFLAMMATORY drugs (NSAIDs) is associated with significant side effects including gastrointestinal (GI) lesions and kidney toxicity. In this paper we designed and synthesized new imidazolyl-1, 3, 4-oxadiazoles and 1, 2, 4-triazoles by molecular hybridization of previously described ANTI-INFLAMMATORY compounds in the hope of obtaining new safer ANALGESIC and ANTI-INFLAMMATORY agents.Methods: The target structures were synthesized by preparation of 5-methyl-1H-imidazole-4-carboxylic acid ethyl ester 5.The reaction of hydrazine hydrate with this ester afforded the 5-methyl-1H-imidazole-4-carboxylic acid hydrazide 6 which was converted to target compounds 7-15 according to the known procedures. In silico toxicity risk assessment and drug likeness predictions were done, in order to consider the privileges of the synthesized structures as drug candidates.Results and discussion: The ANALGESIC and ANTI-INFLAMMATORY profile of the synthesized compounds were evaluated by writhing and carrageenan induced rat paw edema tests respectively. Compounds 8, 9 and 11-13 and 15 were active ANALGESIC agents and compounds 8, 9 and 11-13 showed significant ANTI-INFLAMMATORY response in comparison with control. Compounds 11 and 13 were screened for their ulcerogenic activities and none of them showed significant ulcerogenic activity. The active Compounds 11 and 12 showed the highest drug likeness and drug score.Conclusions: The ANALGESIC and ANTI-INFLAMMATORY activities of title compounds were comparable to that of standard drug indomethacin with a safer profile of activity. The results revealed that both of OXADIAZOLE and TRIAZOLE scaffolds can be determined as pharmacophores. The in silico predictions and pharmacological evaluations showed that compounds 11 and 12 can be chosen as lead for further investigations.

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APA: Copy

ALMASIRAD, ALI, MOUSAVI, ZAHRA, TAJIK, MOHAMMAD, ASSARZADEH, MOHAMMAD JAVAD, & SHAFIEE, ABBAS. (2014). SYNTHESIS, ANALGESIC AND ANTI-INFLAMMATORY ACTIVITIES OF NEW METHYL-IMIDAZOLYL-1, 3, 4-OXADIAZOLES AND 1, 2, 4-TRIAZOLES. DARU JOURNAL OF PHARMACEUTICAL SCIENCE, 22(1), 1-8. SID. https://sid.ir/paper/275730/en

Vancouver: Copy

ALMASIRAD ALI, MOUSAVI ZAHRA, TAJIK MOHAMMAD, ASSARZADEH MOHAMMAD JAVAD, SHAFIEE ABBAS. SYNTHESIS, ANALGESIC AND ANTI-INFLAMMATORY ACTIVITIES OF NEW METHYL-IMIDAZOLYL-1, 3, 4-OXADIAZOLES AND 1, 2, 4-TRIAZOLES. DARU JOURNAL OF PHARMACEUTICAL SCIENCE[Internet]. 2014;22(1):1-8. Available from: https://sid.ir/paper/275730/en

IEEE: Copy

ALI ALMASIRAD, ZAHRA MOUSAVI, MOHAMMAD TAJIK, MOHAMMAD JAVAD ASSARZADEH, and ABBAS SHAFIEE, “SYNTHESIS, ANALGESIC AND ANTI-INFLAMMATORY ACTIVITIES OF NEW METHYL-IMIDAZOLYL-1, 3, 4-OXADIAZOLES AND 1, 2, 4-TRIAZOLES,” DARU JOURNAL OF PHARMACEUTICAL SCIENCE, vol. 22, no. 1, pp. 1–8, 2014, [Online]. Available: https://sid.ir/paper/275730/en

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