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| Formula | C18H17ClN2O2 |
| Molar mass | 328.79 g·mol−1 |
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Girisopam [1] (GYKI-51189, EGIS-5810) is a drug which is a 2,3-benzodiazepine derivative, related to tofisopam [2] and zometapine. It has selective anxiolytic action with no sedative, anticonvulsant or muscle relaxant effects. [2] [3] [4]
Henry reaction between Veratraldehyde [120-14-9] (1) and nitroethane gives 1,2-Dimethoxy-4-(2-nitropropenyl)benzene [122-47-4] (2). Treatment with iron and muriatic acid in the presence of iron trichloride catalyst gives 3,4-Dimethoxyphenylacetone [776-99-8] (3). The reduction of the ketone with sodium borohydride gives 1-(3,4-Dimethoxyphenyl)-2-propanol [19578-92-8] (4). Treatment with formaldehyde in acid gives 6,7-dimethoxy-3-methyl-1H-isochromene, CID:57074411 (5). Oxidation by chromium trichloride gives 3-Methyl-6,7-Dimethoxyisocoumarin, CID:12349213 (6). Grignard reaction with 1-Bromo-3-Chlorobenzene [108-37-2] (7) gives (8). Treatment with Perchloric acid leads to 1-(3-chlorophenyl)-3-methyl 6,7-dimethoxy-2-benzopyrylium perchlorate CID:14502385 (9).
Ex 39: The reaction between (9) and hydrazine hydrate (10) in methanol solvent gives girisopam (11).
Imidazole (ImH) is an organic compound with the formula C3N2H4. It is a white or colourless solid that is soluble in water, producing a mildly alkaline solution. In chemistry, it is an aromatic heterocycle, classified as a diazole, and has non-adjacent nitrogen atoms in meta-substitution.
Aluminium chloride, also known as aluminium trichloride, is an inorganic compound with the formula AlCl3. It forms a hexahydrate with the formula [Al(H2O)6]Cl3, containing six water molecules of hydration. Both the anhydrous form and the hexahydrate are colourless crystals, but samples are often contaminated with iron(III) chloride, giving them a yellow colour.
The Ferrier rearrangement is an organic reaction that involves a nucleophilic substitution reaction combined with an allylic shift in a glycal. It was discovered by the carbohydrate chemist Robert J. Ferrier.
The Controlled Drugs and Substances Act is Canada's federal drug control statute. Passed in 1996 under Prime Minister Jean Chrétien's government, it repeals the Narcotic Control Act and Parts III and IV of the Food and Drugs Act, and establishes eight Schedules of controlled substances and two Classes of precursors. It provides that "The Governor in Council may, by order, amend any of Schedules I to VIII by adding to them or deleting from them any item or portion of an item, where the Governor in Council deems the amendment to be necessary in the public interest."
DMCM is a drug from the β-carboline family that induces anxiety and convulsions by acting as a negative allosteric modulator of GABAA receptors — functionally opposite to benzodiazepines and related drugs which are positive allosteric modulators — and is used in scientific research for these properties to test new anxiolytic and anticonvulsant medications, respectively. It has also been shown to produce analgesic effects in animals, which is thought to be the drug's induced panic reducing the perception of pain.
Etaqualone is a quinazolinone-class GABAergic and is an analogue of methaqualone that was developed in the 1960s and marketed mainly in France and some other European countries. It has sedative, hypnotic, muscle relaxant and central nervous system depressant properties resulting from its agonist activity at the β-subtype of the GABAA receptor, and was used for the treatment of insomnia.
Sulfolene, or butadiene sulfone is a cyclic organic chemical with a sulfone functional group. It is a white, odorless, crystalline, indefinitely storable solid, which dissolves in water and many organic solvents. The compound is used as a source of butadiene.
Reclazepam is a drug which is a benzodiazepine derivative. It has sedative and anxiolytic effects similar to those produced by other benzodiazepine derivatives, and has a short duration of action.
GYKI 52895 is a drug which is a 2,3-benzodiazepine derivative that also shares the 3,4-methylenedioxyamphetamine pharmacophore. Unlike other similar drugs, GYKI 52895 is a selective dopamine reuptake inhibitor (DARI), which appears to have an atypical mode of action compared to other DARIs. Its DRI activity is shared by numerous addictive drugs including amphetamine and its derivatives, cocaine, and methylphenidate and its derivatives. However, dopaminergic drugs are also prone to producing emetic effects such as in the case of apomorphine.
Nerisopam is a drug which is a 2,3-benzodiazepine derivative, related to tofisopam. It has potent anxiolytic and neuroleptic effects in animal studies.
SL651498 is an anxiolytic and anticonvulsant drug used in scientific research, with a chemical structure most closely related to β-carboline derivatives such as abecarnil and gedocarnil. It has similar effects to benzodiazepine drugs, but is structurally distinct and so is classed as a nonbenzodiazepine anxiolytic.
Efaroxan is an α2-adrenergic receptor antagonist and antagonist of the imidazoline receptor.
Deramciclane (EGIS-3886) is a non-benzodiazepine-type anxiolytic drug to treat various types of anxiety disorders. Deramciclane is a unique alternative to current anxiolytics on the market because it has a novel chemical structure and target. It acts as an antagonist at the 5-HT2A receptor, as an inverse agonist at the 5-HT2C receptor, and as a GABA reuptake inhibitor. The two serotonin receptors are G protein-coupled receptors and are two of the main excitatory serotonin receptor types. Their excitation has been implicated in anxiety and mood. Deramciclane does not affect CYP3A4 activity in metabolizing other drugs, but it is a weak inhibitor of CYP2D6. Some studies also show the drug to have moderate affinity to dopamine D2 receptors and low affinity to dopamine receptor D1. Researchers are looking for alternatives to benzodiazepines for anxiolytic use because benzodiazepine drugs have sedative and muscle relaxant side effects.
GYKI 52466 is a 2,3-benzodiazepine that acts as an ionotropic glutamate receptor antagonist, which is a non-competitive AMPA receptor antagonist (IC50 values are 10-20, ~ 450 and >> 50 μM for AMPA-, kainate- and NMDA-induced responses respectively), orally-active anticonvulsant, and skeletal muscle relaxant. Unlike conventional 1,4-benzodiazepines, GYKI 52466 and related 2,3-benzodiazepines do not act on GABAA receptors. Like other AMPA receptor antagonists, GYKI 52466 has anticonvulsant and neuroprotective properties.
A serotonin releasing agent (SRA) is a type of drug that induces the release of serotonin into the neuronal synaptic cleft. A selective serotonin releasing agent (SSRA) is an SRA with less significant or no efficacy in producing neurotransmitter efflux at other types of monoamine neurons.
These drugs are known in the UK as controlled drug, because this is the term by which the act itself refers to them. In more general terms, however, many of these drugs are also controlled by the Medicines Act 1968, there are many other drugs which are controlled by the Medicines Act but not by the Misuse of Drugs Act, and some other drugs are controlled by other laws.
Zomebazam produced by Hoechst is a pyrazolodiazepinone derivative drug with anxiolytic properties. It is structurally related to razobazam and zometapine.
3,4-Dichloroamphetamine (DCA), is an amphetamine derived drug invented by Eli Lilly in the 1960s, which has a number of pharmacological actions. It acts as a highly potent and selective serotonin releasing agent (SSRA) and binds to the serotonin transporter with high affinity, but also acts as a selective serotonergic neurotoxin in a similar manner to the related para-chloroamphetamine, though with slightly lower potency. It is also a monoamine oxidase inhibitor (MAOI), as well as a very potent inhibitor of the enzyme phenylethanolamine N-methyl transferase which normally functions to transform noradrenaline into adrenaline in the body.
Substituted piperazines are a class of chemical compounds based on a piperazine core. Some are used as recreational drugs and some are used in scientific research.
5-Nitrovanillin (4-hydroxy-3-methoxy-5-nitrobenzaldehyde) is a derivative of vanillin in which the hydrogen ortho- to the hydroxy group is substituted by a nitro group. Because it contains many reactive functional groups – in addition to the nitro group, a hydroxyl group, a methoxy group and an aldehyde group are present – 5-nitrovanillin is suitable as a starting material for the synthesis of phenethylamines, for coenzyme Q and for the inhibitors of catechol-O-methyltransferase that are effective against Parkinson's disease.
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