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Encyclopedia > Dipipanone
Dipipanone
Systematic (IUPAC) name
4,4-Diphenyl-6-(1-piperidinyl)-3-heptanone
Identifiers
CAS number 467-83-4
ATC code  ?
PubChem  ?
Chemical data
Formula C24H31NO 
Mol. mass 349.52
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.

? Image File history File links No higher resolution available. ... IUPAC nomenclature is a system of naming chemical compounds and of describing the science of chemistry in general. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... The Anatomical Therapeutic Chemical Classification System is used for the classification of drugs. ... PubChem is a database of chemical molecules. ... A chemical formula is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... For other uses, see Carbon (disambiguation). ... General Name, Symbol, Number hydrogen, H, 1 Chemical series nonmetals Group, Period, Block 1, 1, s Appearance colorless Atomic mass 1. ... General Name, symbol, number nitrogen, N, 7 Chemical series nonmetals Group, period, block 15, 2, p Appearance colorless gas Standard atomic weight 14. ... General Name, symbol, number oxygen, O, 8 Chemical series nonmetals, chalcogens Group, period, block 16, 2, p Appearance colorless (gas) very pale blue (liquid) Standard atomic weight 15. ... The molecular mass (abbreviated Mr) of a substance, formerly also called molecular weight and abbreviated as MW, is the mass of one molecule of that substance, relative to the unified atomic mass unit u (equal to 1/12 the mass of one atom of carbon-12). ... In pharmacology, bioavailability is used to describe the fraction of an administered dose of unchanged drug that reaches the systemic circulation, one of the principal pharmacokinetic properties of drugs. ... Drug metabolism is the metabolism of drugs, their biochemical modification or degradation, usually through specialized enzymatic systems. ... It has been suggested that Effective half-life be merged into this article or section. ... The kidneys are important excretory organs in vertebrates. ... The pregnancy category of a pharmaceutical agent is an assessment of the risk of fetal injury due to the pharmaceutical, if it is used as directed by the mother during pregnancy. ...

Legal status
Routes  ?

Dipipanone hydrochloride is an opioid painkiller. In combination with cyclizine hydrochloride, it is marketed as Diconal, indicated for relief of moderate to severe pain. The regulation of therapeutic goods, that is drugs and therapeutic devices, varies by jurisdiction. ... In pharmacology and toxicology, a route of administration is the path by which a drug, fluid, poison or other substance is brought into contact with the body. ... An opioid is a chemical substance that has a morphine-like action in the body. ... Cyclizine is an antihistamine drug used to treat nausea, vomiting and dizziness associated with motion sickness, vertigo and post-operative following administration of general anaesthesia and opioids. ...


Chemically, dipipanone belongs to the class of opiates called the 3-diphenyl heptanones. It closely resembles methadone, the only structural difference being the N,N-dimethyl moiety of methadone being replaced with a piperidine ring. It's usage is now officially discouraged because of the abuse risk. The combination with cyclizine lends a very strong rush if the drug is injected. During the late 1970s to early 1980s in the UK, a whole spate of deaths were blamed on this preparation. As supplies became unavailable, opiate users would mix crushed methadone tablets with crushed Valoid (a cyclizine containing antihistamine) tablets in an attempt to replecate the affect of dipipanone. R-phrases , , Related Compounds Related compounds pyridine pyrrolidine piperazine Except where noted otherwise, data are given for materials in their standard state (at 25 Â°C, 100 kPa) Infobox disclaimer and references Piperidine is an organic compound with the molecular formula C5H11N. It is a heterocyclic amine with a six-membered...


See P. A. J. Janssen, Synthetic Analgesics. Part 1. Diphenylpropylamines, Pergamon Press, NY. for details on the synthesis of methadone and its cogeners before 1960. The general procedure for synthesis is illustrated by nucleophillic attack of diphenylacetonitrile on 2-chloro--1-dimethylaminoethane. The resulting aminonitrile is then converted to the ethyl ketone with ethyl magnesium bromide by way of the kitimine which is hydrolized by cold aqueous acid (Casey & Parfitt, Opioid Analgesics, Plenum Press, NY, london).


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