flazalone
{{Short description|NSAID and cocaine addiction agent.}}
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{{Infobox drug
| drug_name = Flazalone
| image = Flazalone.svg
| width = 250px
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| CAS_number = 21221-18-1
| PubChem = 36663
| IUPHAR_ligand =
| DrugBank =
| ChemSpiderID = 33682
| UNII = 5A1Y43ML91
| KEGG = D04189
| ChEBI =
| ChEMBL = 120951
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| synonyms = Flumefenine, R-760.
| C=19 | H=19 | F=2 | N=1 | O= 2
| IUPAC_name = (4-fluorophenyl)-[4-(4-fluorophenyl)-4-hydroxy-1-methylpiperidin-3-yl]methanone
| smiles = CN1CCC(C(C1)C(=O)C2=CC=C(C=C2)F)(C3=CC=C(C=C3)F)O
| StdInChI = 1S/C19H19F2NO2/c1-22-11-10-19(24,14-4-8-16(21)9-5-14)17(12-22)18(23)13-2-6-15(20)7-3-13/h2-9,17,24H,10-12H2,1H3
| StdInChIKey = PPQZABOURJVKNI-UHFFFAOYSA-N
}}
Flazalone is an anti-inflammatory drug that has not been approved as a medicine.{{cite journal | vauthors = Levy L, McClure D | title = The pharmacology of flazalone: a new class of anti-inflammatory agent | journal = The Journal of Pharmacology and Experimental Therapeutics | volume = 198 | issue = 2 | pages = 473–480 | date = August 1976 | doi = 10.1016/S0022-3565(25)30615-4 | pmid = 7668 }}{{cite web | title = Flazalone | work = Inxight Drugs | publisher = The National Center for Advancing Translational Sciences (NCATS) | url = https://drugs.ncats.io/drug/5A1Y43ML91 }}{{cite journal | vauthors=((Castañer, J.)), ((Arrigoni-Martelli, E.)) | journal=Drugs of the Future | title=Flazalone | volume=2 | issue=3 | pages=169 | date= 1977 | issn=0377-8282 | doi=10.1358/dof.1977.002.03.998237}}
According to Shaomeng Wang and co-workers, replacement of the para-fluoro halogen with a meta,para-dichloro substitution resulted in dopamine reuptake inhibitors useful in treating cocaine addiction.{{cite journal | vauthors = Wang S, Sakamuri S, Enyedy IJ, Kozikowski AP, Deschaux O, Bandyopadhyay BC, Tella SR, Zaman WA, Johnson KM | title = Discovery of a novel dopamine transporter inhibitor, 4-hydroxy-1-methyl-4-(4-methylphenyl)-3-piperidyl 4-methylphenyl ketone, as a potential cocaine antagonist through 3D-database pharmacophore searching. Molecular modeling, structure-activity relationships, and behavioral pharmacological studies | journal = Journal of Medicinal Chemistry | volume = 43 | issue = 3 | pages = 351–60 | date = February 2000 | pmid = 10669562 | doi = 10.1021/jm990516x | url = }}{{cite journal | vauthors = Wang S, Sakamuri S, Enyedy IJ, Kozikowski AP, Zaman WA, Johnson KM | title = Molecular modeling, structure--activity relationships and functional antagonism studies of 4-hydroxy-1-methyl-4-(4-methylphenyl)-3-piperidyl 4-methylphenyl ketones as a novel class of dopamine transporter inhibitors | journal = Bioorganic & Medicinal Chemistry | volume = 9 | issue = 7 | pages = 1753–64 | date = July 2001 | pmid = 11425577 | doi = 10.1016/s0968-0896(01)00090-6 | url = }}
Synthesis
The synthesis has been covered:{{cite book | vauthors=((Lednicer, D.)), ((Mitscher, L. A.)) | date= 1980 | title=The organic chemistry of drug synthesis. 2 | publisher=Wiley | isbn=9780471043928}}{{cite journal | vauthors=((Draper, M. D.)), ((Petracek, F. J.)), ((Klohs, M. W.)), ((McClure, D. A.)), ((Levy, L.)), ((Ré, O. N.)) | journal=Arzneimittel-Forschung | title=Fluorophenyl-4-(p-fluorophenyl)-4-hydroxy-1-methyl-3-piperidyl ketone (flazalone): a novel non-steroidal anti-inflammatory agent | volume=22 | issue=10 | pages=1803 | date= October 1972 | pmid=4677080}} Patents:Daniel Draper Marshall, CH496700 & NL6811811 (1970 to Rexall Drug Chemical).M Draper & L Levy, {{US patent|3849578}} (1974 to Riker Laboratories Inc). Alternate synthesis:Charles M Leir, {{US patent|3887568}} (1975 to Riker Laboratories Inc). 62%:{{cite journal | vauthors=((Stenlake, J.)) | journal=European Journal of Medicinal Chemistry | title=Synthèse et étude préliminaire de quelques arylpropanonamines substitués sur le cycle et leurs sels quaternaires | volume=24 | issue=6 | pages=591–597 | date= December 1989 | issn=02235234 | doi=10.1016/0223-5234(89)90026-3}}