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Benzene is converted to cyclohexylbenzene by acid-catalyzed alkylation with cyclohexene. [6] Cyclohexylbenzene is a precursor to both phenol and cyclohexanone. [7] Hydration of cyclohexene gives cyclohexanol, which can be dehydrogenated to give cyclohexanone, a precursor to caprolactam. [8] The oxidative cleavage of cyclohexene gives adipic acid.
Cyclohexanol is the organic compound with the formula HOCH (CH 2) 5. The molecule is related to cyclohexane by replacement of one hydrogen atom by a hydroxyl group. [4] This compound exists as a deliquescent colorless solid with a camphor-like odor, which, when very pure, melts near room temperature. Millions of tonnes are produced annually ...
The cyclohexanone–cyclohexanol mixture, called " KA oil ", is a raw material for adipic acid and caprolactam, precursors to nylon. Several million kilograms of cyclohexanone and cyclohexanol are produced annually. [9] It is used as a solvent in some brands of correction fluid. Cyclohexane is sometimes used as a non-polar organic solvent ...
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
184.0. 228.4. —. —. Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. The " (s)" annotation indicates equilibrium temperature of vapor over solid. Otherwise value is equilibrium temperature of vapor over liquid. log10 of Cyclohexane vapor pressure. Uses formula: obtained from CHERIC [5]
Cyclohexenone is an organic compound which is a versatile intermediate used in the synthesis of a variety of chemical products such as pharmaceuticals and fragrances. [2] It is colorless liquid, but commercial samples are often yellow. Industrially, cyclohexenone is prepared from phenol by Birch reduction. [3]
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.
This initial ruthenium catalyst was followed in 1995 by what is now known as the first-generation Grubbs catalyst. It is synthesized from RuCl 2 (PPh 3) 3, phenyldiazomethane, and tricyclohexylphosphine in a one-pot synthesis. [8][9] The first-generation Grubbs catalyst was the first well-defined Ru-based catalyst.