Fenamic acid is an

organic compound In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. T ...

, which, especially in its ester form, is called fenamate. serves as a parent structure for several nonsteroidal anti-inflammatory drugs (NSAIDs), including

mefenamic acid Mefenamic acid is a member of the anthranilic acid derivatives (or fenamate) class of nonsteroidal anti-inflammatory drugs (NSAIDs), and is used to treat mild to moderate pain. Its name derives from its systematic name, dimethylphenylaminoben ...

, tolfenamic acid,

flufenamic acid Flufenamic acid (FFA) is a member of the anthranilic acid derivatives (or fenamate) class of nonsteroidal anti-inflammatory drugs (NSAIDs). Like other members of the class, it is a cyclooxygenase (COX) inhibitor, preventing the formation of pr ...

, and

meclofenamic acid Meclofenamic acid (used as meclofenamate sodium, brand name Meclomen) is a drug used for joint, muscular pain, arthritis and dysmenorrhea. It is a member of the anthranilic acid derivatives (or fenamate) class of nonsteroidal anti-inflammatory ...

. These drugs are commonly referred to as "anthranilic acid derivatives" or "fenamates" because fenamic acid is a derivative of

anthranilic acid Anthranilic acid is an aromatic acid with the formula C6H4(NH2)(CO2H) and has a sweetish taste. The molecule consists of a benzene ring, ''ortho''-substituted with a carboxylic acid and an amine. As a result of containing both acidic and basic ...

.Sriram D, Yogeeswari P
Medicinal Chemistry, 2nd Edition
Pearson Education India, 2010. Fenamic acid can be synthesized from

2-chlorobenzoic acid 2-Chlorobenzoic acid is an organic compound with the formula ClC6H4CO2H. It is one of three isomeric chlorobenzoic acids, the one that is the strongest acid. This white solid is used as a precursor to a variety of drugs, food additives, and dye ...

and can be converted into

acridone Acridone is an organic compound based on the acridine skeleton, with a carbonyl group at the ''9'' position. It is a yellow solid. Synthesis and structure The molecule is planar. Optical spectra reveal that the keto tautomer predominates in the ga ...

References

{{Prostanoidergics Anthranilic acids Nonsteroidal anti-inflammatory drugs