Abstract
A new compound of Mefenamic Acid derivate, 4-nitrobenzoyl-mefenamic acid has been synthesized by benzoylation reaction between mefenamic acid and 4-nitrobenzoyl chloride after prediction by in silico study/molecular approach. A derivative of mefenamic acid (4-NO2-benzoyl-mefenamic acid) has been synthesized for increase its activity as candidate of analgesic drug/inhibitor COX-2 (Cyclooxigenase-2). This compound has been purified by Column Chromatography and analyzed using TLC-Densitometry to determine purity with Rf value 0,8. The spot has good purity and then it was identified this structure using H-NMR 400 MHz and FTIR-KBr. The result showed that this compound is 4-nitrobenzoyl-mefenamic acid (4NBMA). 4NBMA gives white yellow color with melting point 198-199oC. Finally, 4NBMA was tested analgetic activity by hot plate method and it showed that 4-nitrobenzoyl-mefenamic acid has been higher activity than mefenamic acid.
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