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1-Ethynylcyclohexanol (ECX) is an alkynyl alcohol derivative which is both a synthetic precursor to, and an active metabolite of the tranquilizer ethinamate, and has similar sedative, anticonvulsant and muscle relaxant effects. It has been sold as a designer drug, first being identified in the UK in March 2012. [1] [2] [3] [4]
[1] It is produced industrially by the hydrogenation of cyclohexanone in the presence of hydrogen sulfide over a metal sulfide catalyst: C 6 H 10 O + H 2 S + H 2 → C 6 H 11 SH + H 2 O. It is also obtained by the addition of hydrogen sulfide to cyclohexene in the presence of nickel sulfide. [2]
Ethinamate (1-ethynylcyclohexanone carbamate) is synthesized by combining acetylene with cyclohexanone to make 1-ethynylcyclohexanol, and then transforming this into a carbamate by the subsequent reaction with phosgene, and later with ammonia. Some lithium metal or similar is used to make the acetylene react with the cyclohexanone in the first ...
Glyoxal was first prepared and named by the German-British chemist Heinrich Debus (1824–1915) by reacting ethanol with nitric acid. [4] [5]Commercial glyoxal is prepared either by the gas-phase oxidation of ethylene glycol in the presence of a silver or copper catalyst (the Laporte process) or by the liquid-phase oxidation of acetaldehyde with nitric acid.
N 2: nitrogen: 7727-37-9 [1] N 2 F 2: dinitrogen difluoride: 13812–43–6 N 2 F 4: dinitrogen tetrafluoride: 10036–47–2 N 2 O: dinitrogen monoxide: 10024–97–2 N 2 O 3: dinitrogen trioxide: 10544–73–7 N 2 O 4: dinitrogen tetroxide: 10544–72–6 N 2 O 5: dinitrogen pentoxide: 10102–03–1 NaAlCl 4: sodium tetracholoraluminate ...
1-Hexanol (IUPAC name hexan-1-ol) is an organic alcohol with a six-carbon chain and a condensed structural formula of CH 3 (CH 2) 5 OH. This colorless liquid is slightly soluble in water, but miscible with diethyl ether and ethanol .
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Cyclohexanone is produced by the oxidation of cyclohexane in air, typically using cobalt catalysts: [11]. C 6 H 12 + O 2 → (CH 2) 5 CO + H 2 O. This process forms cyclohexanol as a by-product, and this mixture, called "KA Oil" for ketone-alcohol oil, is the main feedstock for the production of adipic acid.