Also found in: Medical, Encyclopedia, Wikipedia.
Related to thebaine: Buprenorphine


 (thē′bə-ēn′, thĭ-bā′ĭn)
An alkaloid, C19H21NO3, obtained from the opium poppy and used in the manufacture of oxycodone and other opioids. Also called paramorphine.

[New Latin (herba) thēbaia, (herb of) Thebes, Egyptian opium (from Latin Thēbaea, feminine of Thēbaeus, Theban, from Thēbae, Thebes, from Greek Thēbai) + -ine.]


(ˈθiːbəˌiːn; θɪˈbeɪiːn; -aɪn)
(Pharmacology) a poisonous white crystalline alkaloid, found in opium but without opioid actions. Formula: C19H21NO3. Also called: paramorphine
[C19: from New Latin thebaia opium of Thebes (with reference to Egypt as a chief source of opium) + -ine2]
References in periodicals archive ?
Buprenorphine hydrochloride is a semisynthetic highly lipophilic opioid derived from thebaine, an opium alkaloid related to morphine.
Chemical constituents: The latex is rich in alkaloids; morphine, codeine, thebaine, nacrocotine, narceine, and papaverine (Prajapati et al.
Lee S, Park Y, Han E, Choi H, Chung H, Oh SM: Thebaine in
The current epidemic of prescription opioid abuse involves at least 5 different chemical entities, including morphine, codeine, thebaine, methadone, and buprenorphine, and each may require a separately developed vaccine.
Opium is a key ingredient in pain relief medication including morphine, codeine and thebaine.
1979); it showed central stimulant, hyperthermic, and spinal convulsant actions in mice, the activity profile closely resembling that of thebaine.
La rumeur (pheme) fut egalement determinante lors de l'attaque thebaine contre Megare en 206:
It is a synthetic thebaine derivative that was approved by the FDA in 2002 for the treatment of opioid dependence.
Papaveraceae) fruits and other morphine, parts narcotine, codeine, papverine, thebaine Parthenium Entire plant Parthenin and hysterophorus L.
Opium, morphine, cannabis, heroin, codeine, thebaine are all sought after by pharmaceutical companies.
This important group of alkaloids include morphine, codeine, oripavin, thebaine, papaverin and other important pharmaceutical alkaloids.
thebaine, 6-O-demetilasa 2-oxoglutarate:oxygen oxidoreductase COR: codeinona reductasa EC 1.