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Synthesis, anti-inflammatory evaluation, and docking studies of some new thiazole derivatives

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Abstract

A series of new 2-substituted-N-(1,3-thiazole-2-yl)acetamide 3–7 and N-(benzo[d]thiazol-2-yl)-2-(substituted)acetamide 10–13 derivatives have been synthesized and evaluated in vivo (rat paw edema) for their anti-inflammatory activities and in silico(docking studies) to recognize the hypothetical binding motif of the title compounds with the cyclooxygenase isoenzyme (COX-2) employing GLIDE software (Schrodinger Inc.). The compounds, 10–13 were found to have good anti-inflammatory activities [around 84–93 % of the standard: indomethacin]. The binding mode of the title compounds has been proposed based on the docking studies. Further, the predicted ADME properties of all the tested compounds were found to be in the ranges as predicted by QikProp for 95 % of known oral drugs and also satisfy the Lipinski’s rule of five.

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Acknowledgments

The author PKD is thankful to CSIR, New Delhi for awarding the Senior Research Fellowship [Sanction No. 09/135/(0534)/2008/EMR-I (18/03/2008)]. The authors thankfully acknowledge the Chairman, UIPS, Chandigarh for providing the facilities. Authors are also thankful to Dr. Kanwaljit Chopra, Pharmacology Division and Dr. Maninder Karan Vasisht, Pharmacognosy Division, UIPS, PU for valuable help during pharmacological studies. Authors profusely thank to Avtar Singh, SAIF (CIL), PU for carrying out the NMR studies. Author PKD is thankful to Pharmaceutical Chemistry Division, School of Pharmacy, IMU, Malaysia for providing the facilities to carry out the docking studies. Authors are also thankful to Mr. Raghurangaswamy, Executive Director, Schrodinger, India for providing the evaluation license (14 Jun–16 July, 2013) to carry out the molecular modeling studies.

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Correspondence to Raghuram Rao Akkinepalli.

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Deb, P.K., Kaur, R., Chandrasekaran, B. et al. Synthesis, anti-inflammatory evaluation, and docking studies of some new thiazole derivatives. Med Chem Res 23, 2780–2792 (2014). https://doi.org/10.1007/s00044-013-0861-4

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