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Instantaneously (from 5 to 15 sec); 4× more rapid than fentanyl 0.25 hr (15 min); up to 54 minutes until offset of effects Trefentanil: 10-25 Brifentanil: 10-25 Acetylfentanyl: 15 7-Hydroxymitragynine: 17 ~0.6 mg Furanylfentanyl: 20 Butyrfentanyl: 25 Enadoline: 25 15 μg (threshold) and 0.160 mg/kg (dissociative effects) Buprenorphine [13] 40 ...
β-Hydroxyfentanyl is an opioid analgesic that is an analogue of fentanyl.. β-Hydroxyfentanyl was sold briefly on the black market in the early 1980s, before the introduction of the Federal Analog Act which for the first time attempted to control entire families of drugs based on their structural similarity rather than scheduling each drug individually as they appeared.
Butyrfentanyl or butyrylfentanyl is a potent short-acting synthetic opioid analgesic drug.It is an analog of fentanyl with around one quarter of its potency. One of the first mentions of this drug can be found in document written by The College on Problem of Drug Dependence, where it is mentioned as N-butyramide fentanyl analog. [1]
The synthesis of fentanyl and its analogues are illustrated in this skeletal diagram. Part II. The modifications covered in this diagram have to do with carbon skeleton modifications of the original fentanyl molecular structure. These are organized into methyl acetate additions, which are most known for the fentanyl -> carfentanil conversion.
"Studies on 1-(2-phenethyl)-4-(N-propionylanilino)piperidine (fentanyl) and its related compounds. VI. VI. Structure-analgesic activity relationship for fentanyl, methyl-substituted fentanyls and other analogues".
Side effects of fentanyl analogs are similar to those of fentanyl itself, which include itching, nausea and potentially serious respiratory depression, which can be life-threatening. Fentanyl analogs have killed hundreds of people throughout Europe and the former Soviet republics since the most recent resurgence in use began in Estonia in the ...
4-Phenylfentanyl is an opioid analgesic that is a derivative of fentanyl.It was developed during the course of research that ultimately resulted in super-potent opioid derivatives such as carfentanil, though it is a substantially less potent analogue. 4-Phenylfentanyl is around eight times the potency of fentanyl in analgesic tests on animals, but more complex 4-heteroaryl derivatives such as ...
β-Hydroxythiofentanyl (beta-hydroxythiofentanyl) is an opioid analgesic that is an analog of fentanyl and thiofentanyl.. β-Hydroxythiofentanyl was sold briefly on the black market from around 1985, [1] before the introduction of the Federal Analog Act in 1986 which for the first time attempted to control entire families of drugs based on their structural similarity rather than scheduling ...