Piperidines

Cobimetinib, sold under the brand name Cotellic, is an anti-cancer medication used to treat melanoma and histiocytic neoplasms. Cobimetinib is a MEK inhibitor. Cobimetinib is marketed by Genentech.

77-LH-28-1 is a selective agonist of muscarinic acetylcholine receptor subtype 1 (M1) discovered in 2008. It is an allosteric agonist, exhibiting over 100-fold specificity for M1 over other muscarinic receptor subtypes. 77-LH-28-1 penetrates the brain by crossing the blood–brain barrier and is therefore a useful pharmacological tool with cognition enhancing effects. It has been used as a lead compound for discovery of other M1 agonists, and a crystal structure of the bound complex between 77-LH-28-1 and the M1 receptor has been published.

Metixene (brand names Methixart, CholinFall, Tremonil, Trest), also known as methixene, is an anticholinergic used as an antiparkinsonian agent. It has also been reported to induce incomplete autophagy and cell death in metastatic cancer and brain metastases.

Enpiperate is a calcium channel blocker.

Ditran (JB-329) is an anticholinergic drug mixture, related to the chemical warfare agent 3-Quinuclidinyl benzilate (QNB).

'''N-Phenethyl-4-piperidinone (NPP''') is a derivative of 4-piperidinone with the molecular formula C13H17NO. It is used as an intermediate in the manufacture of chemicals and pharmaceutical drugs such as fentanyl.

JTV-519 (K201) is a 1,4-benzothiazepine derivative that interacts with many cellular targets. It has many structural similarities to diltiazem, a Ca2+ channel blocker used for treatment of hypertension, angina pectoris and some types of arrhythmias. JTV-519 acts in the sarcoplasmic reticulum (SR) of cardiac myocytes by binding to and stabilizing the ryanodine receptor (RyR2) in its closed state. It can be used in the treatment of cardiac arrhythmias, heart failure, catecholaminergic polymorphic ventricular tachycardia (CPVT) and store overload-induced Ca2+ release (SOICR). Currently, this drug

Parafluorofentanyl (4-fluorofentanyl, '''para-fluorofentanyl, pFF''') is an opioid analgesic analogue of fentanyl developed by Janssen Pharmaceuticals in the 1960s.

Naranol (W-5494A) is a drug having a tetracyclic structure. It was synthesized in the late 1960s, and was reported to have antidepressant, anxiolytic, and antipsychotic activities, but was never marketed.

Hepzidine (INN) is a tricyclic antidepressant which was never marketed. It was first described by 1966. ==Synthesis== The synthesis has been described in the chemical literature: 700px|center| The reduction of dibenzosuberone (1) gives dibenzosuberol [1210-34-0] (2). This alcohol forms ethers exceedingly easily, probably via the carbonium ion. Treatment with N-methyl-4-piperidinol [106-52-5] (3) in the presence of acid gives hepzidine (4).

Befiradol (F-13,640; NLX-112) is an experimental drug being studied for the treatment of levodopa-induced dyskinesia. It is a potent and selective 5-HT1A receptor full agonist.

Lenperone (Elanone-V) is a typical antipsychotic of the butyrophenone chemical class. It was first reported as an anti-emetic in 1974, and its use in treatment of acute schizophrenia was reported in 1975. Related early antipsychotic agents include declenperone and milenperone.

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. This document also states that the article describing its clinical effects (analgesic studies, μ-, δ-, κ-opioid receptor binding, and in vitro measures of drug efficacy, antinociceptive, and narcotic properties) was published in 1987. It is an agonist for the μ-opioid

Setoperone (; ; developmental code name R-52245) is a compound that is a ligand to the 5-HT2A receptor. It can be radiolabeled with the radioisotope fluorine-18 and used as a radioligand with positron emission tomography (PET). Several research studies have used the radiolabeled setoperone in neuroimaging for the studying neuropsychiatric disorders, such as depression or schizophrenia. The drug was first described by at least 1984.

AM-1248 is a drug that acts as a moderately potent agonist for both the cannabinoid receptors CB1 and CB2, but with some dispute between sources over its exact potency and selectivity. Replacing the 3-(1-naphthoyl) group found in many indole derived cannabinoid ligands, with an adamantoyl group, generally confers significant CB2 selectivity, but reasonable CB1 affinity and selectivity is retained when an N-methylpiperidin-2-ylmethyl substitution is used at the indole 1-position. The related compound 1-pentyl-3-(1-adamantoyl)indole was identified as having been sold as a cannabinoid designer dr

Bevonium (piribenzil) is an antimuscarinic with antispasmodic and bronchodilating properties. The compound is commonly used as the methyl sulfate (metilsulfate).

Sibrafiban (Ro 48–3657, proposed brand name Xubix) is the double prodrug of Ro-44-3888, which is a platelet aggregation inhibitor. It was being developed for secondary prevention of arterial thrombosis following unstable angina pectoris and acute myocardial infarction (MI). On August 6, 1999, Hoffmann-La Roche announced that the preliminary results from Phase III clinical trials had not shown that sibrafiban was better than aspirin in preventing recurrent ischemic events in patients with acute coronary syndrome. The development of sibrafiban was terminated.

chemical compound

chemical compound

Selfotel (CGS-19755) is a drug which acts as a competitive NMDA antagonist, directly competing with glutamate for binding to the receptor. Initial studies showed it to have anticonvulsant, anxiolytic, analgesic and neuroprotective effects, and it was originally researched for the treatment of stroke, but subsequent animal and human studies showed phencyclidine-like effects, as well as limited efficacy and evidence for possible neurotoxicity under some conditions, and so clinical development was ultimately discontinued.

SKF-89976A is an anticonvulsant, acting as a GABA reuptake inhibitor via blockade of GAT-1. ==Synthesis== thumb|center|500px|Synthesis: Patent: Ex 1: Finkelstein Sn2 alkylation between 1,1-Diphenyl-4-bromobutene [6078-95-1] (1) & Ethyl nipecotate [5006-62-2] (2) gives [89203-62-3] (3). Optional saponification of the ester group gives the title amino-acid compound (4).

Ifoxetine (CGP-15,210-G) is a selective serotonin reuptake inhibitor (SSRI) which was investigated as an antidepressant in the 1980s but was never marketed. Ifoxetine selectively blocks the reuptake of serotonin in the brain supposedly without affecting it in the periphery. Supporting this claim, ifoxetine was found to be efficacious in clinical trials and was very well tolerated, producing almost no physical side effects or other complaints of significant concern.

Menabitan (INN: SP-204) is a synthetic drug which acts as a potent cannabinoid receptor agonist. It is closely related to natural cannabinoids of the tetrahydrocannabinol (THC) group, differing mainly by its longer and branched side chain, and the replacement of the 9-position carbon with a nitrogen. It is a structural analog of nabitan and dimethylheptylpyran. It was studied as an analgesic in the 1970s and was found to possess analgesic effects in both humans and animals but was never marketed.

1-Benzyl-4-[2-(diphenylmethoxy)ethyl]piperidine is a stimulant of the piperidine class which acts as a potent and selective dopamine reuptake inhibitor. It is closely related to vanoxerine and GBR-12,935, which in contrast are piperazines.

Ritlecitinib, sold under the brand name Litfulo, is a medication used for the treatment of severe alopecia areata (hair loss). Ritlecitinib is a kinase inhibitor which inhibits Janus kinase 3 and tyrosine kinase.

Panuramine (Wy-26,002) is an antidepressant which was synthesized in 1981 by Wyeth. It acts as a potent and selective serotonin reuptake inhibitor (SSRI). It was never marketed.

Glasdegib, sold under the brand name Daurismo, is a medication for the treatment of newly diagnosed acute myeloid leukemia (AML) in adults older than 75 years or those who have comorbidities that preclude use of intensive induction chemotherapy. It is taken by mouth and is used in combination with low-dose cytarabine.

Halofuginone, sold under the brand name Halocur, is a coccidiostat used in veterinary medicine. It is a synthetic halogenated derivative of febrifugine, a natural quinazolinone alkaloid which can be found in the Chinese herb Dichroa febrifuga (Chang Shan). Collgard Biopharmaceuticals is developing halofuginone for the treatment of scleroderma and it has received orphan drug designation from the U.S. Food and Drug Administration.

J-113,397 is an opioid drug which was the first compound found to be a highly selective antagonist for the nociceptin receptor, also known as the ORL-1 receptor. It is several hundred times selective for the ORL-1 receptor over other opioid receptors, and its effects in animals include preventing the development of tolerance to morphine, the prevention of hyperalgesia induced by intracerebroventricular administration of nociceptin (orphanin FQ), as well as the stimulation of dopamine release in the striatum, which increases the rewarding effects of cocaine, but may have clinical application in

Sercloremine (CGP-4718A), usually as the hydrochloride salt, is a drug which was developed in the 1980s and was formerly under investigation as an antidepressant, but was never marketed. It acts as a selective, reversible inhibitor of monoamine oxidase A (RIMA) and serotonin reuptake inhibitor.

Phenaridine (2,5-dimethylfentanyl) is an opioid analgesic that is an analogue of fentanyl. It was developed in 1972, and is used for surgical anasthesia.

'''N-Methylspiperone (NMSP''') is a derivate of spiperone that is used to study the dopamine and serotonin neurotransmitter systems. Labeled with the radioisotope carbon-11, it can be used for positron emission tomography.

Prazitone (, ; developmental code name AGN-511) is a barbiturate derivative described as an antidepressant which was developed in the 1960s. Unlike most barbiturates, it has little or no sedative effects, instead acting as a non-sedating anxiolytic and antidepressant. The dosage range in humans is around 200–600 mg, although higher doses have been used in trials for the treatment of depression associated with Parkinson's disease.

chemical compound

Ibodutant was a candidate drug for irritable bowel syndrome diarrhea, developed by The Menarini Group. , it underwent a multicentre double blind efficacy clinical study. Ibodutant selectively blocks the tachykinin receptor NK2, with blockade practically complete in nanomolar concentrations. A phase 2 trial in Europe (the IRIS-2 trial) completed in May 2012 with positive results. A 52-week phase 3 study was terminated as of 2015 because of low response and negative results of study NAK-06.

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 substituted thiophenes and thiazoles are more potent still, as they are closer bioisosteres to the 4-carbomethoxy group of carfentanil.

AFDX-384 (BIBN-161) is a drug which acts as a selective antagonist of the muscarinic acetylcholine receptors, with selectivity for the M2 and M4 subtypes. It is used mainly for mapping the distribution of M2 and M4 muscarinic receptors in the brain, and studying their involvement in the development and treatment of dementia and schizophrenia.

Otenabant (CP-945,598) is a drug that acts as a potent and highly selective CB1 antagonist. It was developed by Pfizer for the treatment of obesity, but development for this application has been discontinued following the problems seen during clinical use of the similar drug rimonabant.

Gemigliptin (rINN), sold under the brand name Zemiglo, is an oral anti-hyperglycemic agent (anti-diabetic drug) of the dipeptidyl peptidase-4 inhibitor (DPP-4 inhibitor) class of drugs. Glucose lowering effects of DPP-4 inhibitors are mainly mediated by GLP-1 and gastric inhibitory polypeptide (GIP) incretin hormones which are inactivated by DPP-4.

1-Methylpiperidine (IUPAC nomenclature) is an organic chemical compound belonging to the group of cyclic compounds and tertiary amines. The compound serves as a starting material for organic syntheses and for the production of catalyst systems.

Furanylfentanyl (Fu-F) is an opioid analgesic that is an analog of fentanyl and has been sold as a designer drug. It has an ED50 value of 0.02 mg/kg in mice. Research done in the 1980's showed that in humans furanylfentanyl is 50-100 times more potent than morphine, making it roughly half as potent as fentanyl, toxicology reports seem to confirm this finding after furanylfentanyl began appearing on the illicit drug market in 2015. == Side effects ==