Conformation-dependent low-temperature oxidation chemistry …
网页2022年9月1日 · The abundant formation of 1-methylcyclohexene and the observation of alkenylhydroperoxides and their decomposition products verify the existence of conformation-dependent pathways in first and second oxygen addition in low-T MCH oxidation, respectively.
Reversible dehydrogenation and rehydrogenation of cyclohexane …
网页2022年3月1日 · Based on a sulfated Pt nanoparticle catalyst (S-Pt/Al 2 O 3), Chiyoda Corporation developed a LOHC system with dehydrogenation/rehydrogenation of methylcyclohexane (MCH)/toluene and demonstrated ...
Combined Effects on Selectivity in Fe-Catalyzed Methylene Oxidation …
网页2010年1月29日 · The first methylene oxidation exploits the activated C–H bonds on the five-membered cyclic ether (C ring) to achieve high site selectivity at one site among nine other possible sites of oxidation. Oxidation of the α-ethereal C–H bonds furnishes (+)-(3 R )-sclareolide ( 54 ) in 80% yield, even amid numerous other electronically and ...
Detailed Chemical Kinetic Modeling of Cyclohexane Oxidation†
网页2007年2月23日 · A detailed chemical kinetic mechanism has been developed and used to study the oxidation of cyclohexane at both low and high temperatures. Rules for reaction rate constants are developed for the low-temperature combustion of cyclohexane.
Electrochemical oxo-functionalization of cyclic alkanes and alkenes ...
网页2023年7月28日 · Here, we report a general electrochemical method for the oxidation of C (sp 3)–H and C (sp 2)–H bonds, in which cyclic alkanes and (cyclic) olefins are converted into cycloaliphatic ketones as...
Role of decomposition products in the oxidation of cyclohexene …
网页2023年5月17日 · Herein, the cyclohexene oxidation in the presence of manganese (III) 5,10,15,20-tetra (4-pyridyl)-21H,23H-porphine chloride tetrakis (methochloride) (1) in a heterogeneous system via loading the...
Cyclohexane oxidation using advanced oxidation processes with …
网页Particularly, advanced oxidation processes (AOPs) constitute a positive technology for the oxidation of cyclohexane owing to their high oxidation potentials and environmental benign properties. This review entails to address the progress made in advanced oxidation of cyclohexane over nanostructured metals and metal oxides catalysts.
Insights into the high-temperature oxidation of methylcyclohexane
网页2019年4月1日 · MCH oxidation was initiated by C–C bond dissociation leading to the formation of C 2 H 4, C 3 H 6 and CH 3, which were subsequently oxidized to form the final products. As observed, the oxidation of C 2 H 4 generated the C 2 H 3 O, either by direct
Study of Cyclohexane and Methylcyclohexane Functionalization
网页2023年1月16日 · Aiming to contribute to the process of saturated hydrocarbon functionalization, we have studied a set of three manganese (III) complexes as catalysts for promoting the oxidation of saturated hydrocarbons (cyclohexane and methylcyclohexane) in the presence of hydrogen peroxide or trichloroisocyanuric acid (TCCA).
Experimental and modeling study of methyl cyclohexane
网页2006年1月12日 · To provide a deeper understanding of the combustion chemistry of naphthenes, the oxidation of methylcyclohexane was studied in a series of high-temperature shock tube experiments. Ignition delay times for a series of mixtures, of varying methylcyclohexane/oxygen equivalence ratios (phi=0.5, 1.0, 2.0), were measured over reflected shock ...
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