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ChemicalBook CAS DataBase List Cyclohexane

Cyclohexane synthesis

15synthesis methods
Cyclohexane is fractionated from crude oil and may be released wherever petroleum products are refined, stored, and used. Another large source of general release is in exhaust gases from motor vehicles. It is prepared synthetically from benzene, by hydrocracking of cyclopentane, or from toluene by simultaneous dealkylation and double bond hydrogenation.
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Yield:110-82-7 99%

Reaction Conditions:

with hydrogen;AIOTfbpy-Pd in 1,2-dichloro-ethane at 150; under 37503.8 Torr; for 24 h;Glovebox;Inert atmosphere;

Steps:

1

General procedure: As shown in Scheme 1, above, in a nitrogen-filled glovebox, AlOTf-bpy-Pd (2.0 mg, 1.2 μmol AlOTf sites), 1,8-cineole (100 μL, 0.6 mmol), and 1.0 mL of 1,2-dichloroethane were transferred into a Parr reactor. The Parr reactor was then sealed under nitrogen, purged with hydrogen several times and charged with hydrogen to 50 bar. After stirring at 100° C. for 24 hours, the pressure was released and the MOF catalyst was removed from the reaction mixture via centrifugation. The supernatant was analyzed by GC-MS to give menthane (a mixture of cis/trans isomers) in >99% yield with 100% of substrate conversion.

References:

US2021/53042,2021,A1 Location in patent:Paragraph 0166; 0168

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