Chemistry:Indoprofen
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| Routes of administration | Oral |
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| Bioavailability | High (rapid and complete absorption) |
| Metabolism | Glucuronidation |
| Elimination half-life | 2.3 hours |
| Excretion | Renal |
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| Formula | C17H15NO3 |
| Molar mass | 281.311 g·mol−1 |
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Indoprofen is a nonsteroidal anti-inflammatory drug (NSAID). It was withdrawn worldwide in the 1980s after postmarketing reports of severe gastrointestinal bleeding.[1]
A 2004 study using high-throughput screening found indoprofen to increase production of the survival of motor neuron protein, suggesting it may provide insight into treatments for spinal muscular atrophies.[1][2]
Synthesis
The isoindolone ring system forms the nucleus for one of the more traditional profen NSAIDs.
Reduction of the nitro group in arylpropionic acid (1) gives the corresponding aniline (2). Reaction of the intermediate with the imide (3) from phthalic anhydride (i.e. phthalimide) gives the product (4) in which the aniline nitrogen has exchanged with ammonia (apparently phthalic anhydride was not used directly). Treatment of the new imide with zinc in acetic acid leads to reduction of but one of the carbonyl groups to afford indolone, indoprofen.
References
- ↑ 1.0 1.1 Frazin, Natalie (March 9, 2005). "Pain Reliever May Provide Clues for Treating Spinal Muscular Atrophy". United States National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/news_and_events/news_articles/news_article_SMA_indoprofen.htm.
- ↑ "Indoprofen upregulates the survival motor neuron protein through a cyclooxygenase-independent mechanism". Chemistry & Biology 11 (11): 1489–93. November 2004. doi:10.1016/j.chembiol.2004.08.024. PMID 15555999.
- ↑ "New analgesic-anti-inflammatory drugs. 1-Oxo-2-substituted isoindoline derivatives". Arzneimittel-Forschung 23 (8): 1090–100. August 1973. doi:10.1002/chin.197344288. PMID 4801034.
- ↑ BE patent 753600; Carney RW, de Stevens G U.S. Patent 4,316,850 (1970, 1982 both to Ciba).
- ↑ Giraldi PN, et al., DE patent 2154525 (1972 to Carlo Erba), C.A. 77, 88292v (1972).
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