Pyrazolone
Pyrazolone, a five-membered-ring lactam, is a derivative of pyrazole that has an additional keto (=O) group. It has a molecular formula of C3H4N2O. There are two possible isomers: 3-pyrazolone and 5-pyrazolone.
Examples of derivatives include:
- Ampyrone, a pharmaceutical
- Metamizole, a pharmaceutical used as a analgesic, antispasmodic, antipyretic
- Phenazone, a pharmaceutical used as a analgesic and antipyretic
- Pigment Yellow 10, a yellow colorant
- phenidone, a dihydropyrazolone
External links
- Pyrazolones at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
- Pubchem - 3-Pyrazolone
- Pubchem - 5-Pyrazolone
| pyrazolones / pyrazolidines | |
|---|---|
| salicylates | |
| acetic acid derivatives and related substances | |
| oxicams | |
| propionic acid derivatives (profens) |
|
| n-arylanthranilic acids (fenamates) | |
| COX-2 inhibitors (coxibs) | |
| other | |
| NSAID combinations | |
Key: underline indicates initially developed first-in-class compound of specific group; #WHO-Essential Medicines; †withdrawn drugs; ‡veterinary use. | |
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