pholedrine
{{Short description|Chemical compound}}
{{cs1 config|name-list-style=vanc|display-authors=6}}
{{Drugbox
| Verifiedfields = verified
| Watchedfields = verified
| verifiedrevid = 455126459
| IUPAC_name = 4-[2-(Methylamino)propyl]phenol
| image = Pholedrine2D.svg
| image_class = skin-invert-image
| width = 225px
| tradename = Paredrinol, Presoitan, Pulsotyl, Veritain, Veritol
| pregnancy_category =
| legal_status =
| routes_of_administration = Topical (ocular)
| bioavailability =
| metabolism =
| elimination_half-life =
| excretion =
| CAS_number_Ref = {{cascite|correct|CAS}}
| CAS_number = 370-14-9
| PubChem = 4655
| UNII_Ref = {{fdacite|correct|FDA}}
| UNII = AY28O44JGD
| KEGG_Ref = {{keggcite|correct|kegg}}
| KEGG = D08370
| ChEBI = 134798
| ChEMBL = 2008672
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 4494
| DrugBank = DBMET00735
| synonyms = 4-Hydroxy-N-methylamphetamine; 4-HMA; 4-Hydroxymethamphetamine; para-Hydroxymethamphetamine; PHMA; Hydroxymethamphetamine
| C=10 | H=15 | N=1 | O=1
| SMILES = Oc1ccc(cc1)CC(NC)C
| StdInChI_Ref = {{stdinchicite|changed|chemspider}}
| StdInChI = 1S/C10H15NO/c1-8(11-2)7-9-3-5-10(12)6-4-9/h3-6,8,11-12H,7H2,1-2H3
| StdInChIKey_Ref = {{stdinchicite|changed|chemspider}}
| StdInChIKey = SBUQZKJEOOQSBV-UHFFFAOYSA-N
}}
Pholedrine, also known as 4-hydroxy-N-methylamphetamine and sold under the brand names Paredrinol, Pulsotyl, and Veritol among others, is a sympathomimetic drug used in topical eye drops to dilate the pupil.{{cite book | author=Schweizerischer Apotheker-Verein | title=Index Nominum: International Drug Directory | publisher=Medpharm Scientific Publishers | year=2004 | isbn=978-3-88763-101-7 | url=https://books.google.com/books?id=EgeuA47Ocm4C&pg=PA969 | access-date=30 August 2024 | page=969}}{{cite web|url=https://pubchem.ncbi.nlm.nih.gov/compound/4655|publisher=National Library of Medicine|access-date=24 June 2023|title=Pholedrine}}{{cite journal | vauthors = Bates AT, Chamberlain S, Champion M, Foley L, Hughes E, Jani B, Mehta H, Smith SE | title = Pholedrine: a substitute for hydroxyamphetamine as a diagnostic eyedrop test in Horner's syndrome | journal = Journal of Neurology, Neurosurgery, and Psychiatry | volume = 58 | issue = 2 | pages = 215–217 | date = February 1995 | pmid = 7876854 | pmc = 1073320 | doi = 10.1136/jnnp.58.2.215 }} It can be used to diagnose Horner's syndrome.
In 2004, it remained marketed only in Germany.
Pharmacology
=Pharmacodynamics=
Pholedrine is described as a sympathomimetic, antihypotensive, and ephedrine-like agent.
Chemistry
Pholedrine, also known as 4-hydroxy-N-methylamphetamine, is a substituted phenethylamine and amphetamine derivative. It is structurally related to methamphetamine (N-methylamphetamine), norpholedrine (4-hydroxyamphetamine), oxilofrine (4,β-dihydroxy-N-methylamphetamine), and tyramine (4-hydroxyphenethylamine).
It is used pharmaceutically as the sulfate salt.
The predicted log P of pholedrine ranges from 1.12 to 1.7.{{cite web | title=Metabolite 4-hydroxymethamphetamine | website=DrugBank Online | url=https://go.drugbank.com/metabolites/DBMET00735 | access-date=30 August 2024}}{{cite web | title=Pholedrine | website=ChemSpider | date=21 July 2022 | url=https://legacy.chemspider.com/Chemical-Structure.4494.html | access-date=30 August 2024}}
History
Pholedrine was synthesized by 1951.
Society and culture
=Names=
Pholedrine is the generic name of the drug and its {{Abbrlink|INN|International Nonproprietary Name}}, {{Abbrlink|BAN|British Approved Name}}, and {{Abbrlink|DCF|Dénomination Commune Française}}, while foledrina is its {{Abbrlink|DCIT|Denominazione Comune Italiana}}.{{cite book | vauthors = Elks J | title=The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies | publisher=Springer US | year=2014 | isbn=978-1-4757-2085-3 | url=https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA794 | access-date=30 August 2024 | page=794}}{{cite book | vauthors = Morton IK, Hall JM | title=Concise Dictionary of Pharmacological Agents: Properties and Synonyms | publisher=Springer Netherlands | year=2012 | isbn=978-94-011-4439-1 | url=https://books.google.com/books?id=tsjrCAAAQBAJ&pg=PA219 | access-date=30 August 2024 | page=219}} The drug has been sold under brand names including Pholedrin Liquidum, Pholedrin-Longo-Isis, Presoitan, Veritain, and Veritol among others.
Other drugs
Pholedrine (4-hydroxymethamphetamine) is also a major metabolite of methamphetamine.
References
{{Reflist}}
{{Methamphetamine}}
{{Mydriatics and cycloplegics}}
{{Monoamine releasing agents}}
{{Phenethylamines}}
Category:Antihypotensive agents
Category:Human drug metabolites
Category:Norepinephrine-dopamine releasing agents
Category:4-Hydroxyphenyl compounds