Alumina: Catalyst and support. XVI *1, *2Aromatization and dehydroisomerization of branched C6$z.sbnd;C8 hydrocarbons over ?nonacidic? chromia-alumina catalyst

Pines, Herman; Csicsery, Sigmund M.

doi:10.1016/0021-9517(62)90059-3

Cited by 11 publications

(4 citation statements)

References 8 publications

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“…Catalyst.-The chromia-alumina catalyst was prepared according to the procedure described. 4 The alumina was precipitated from sodium alumínate and impregnated with chromic acid. The catalyst contained 13.8 wt.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

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Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3

Pines¹,

Dembinski²

1965

J. Org. Chem.

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Section: Discussion Of Resultsmentioning

confidence: 99%

“…For that reason 3-methyl-C14-hexane, 3-methylhexane-5-C14, and 2-methylhexane-6-C14 were synthesized and aromatized over nonacidic chromiaalumina catalyst under conditions similar to those described previously. 4 The aromatic product of the reaction was composed essentially of toluene.…”

mentioning

confidence: 99%

Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3

Pines¹,

Dembinski²

1965

J. Org. Chem.

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“…According to the Web of Science database, the first contribution to flow synthesis was a short report on the use of a flow reactor with a phosphoric acid catalyst on silica gel for dehydration of diethylcarbinol, published in 1932 [29]. An evident increased interest in the use of flow reactors, especially those with an immobilized catalyst, was noted no earlier than the 1960s [30,31]. Numerical methods were employed to evaluate the participation of diffusion, the convection of a reactant, and the kinetics of homogeneous and heterogeneous reactions in catalytic tubular reactors [30], while experimentally diffusional and chemical effects were examined for fast reactions of cyclopropane in flow reactors [32].…”

Section: Flow Synthesismentioning

confidence: 99%

Flow Chemistry in Contemporary Chemical Sciences: A Real Variety of Its Applications

Trojanowicz

2020

Molecules

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Flow chemistry is an area of contemporary chemistry exploiting the hydrodynamic conditions of flowing liquids to provide particular environments for chemical reactions. These particular conditions of enhanced and strictly regulated transport of reagents, improved interface contacts, intensification of heat transfer, and safe operation with hazardous chemicals can be utilized in chemical synthesis, both for mechanization and automation of analytical procedures, and for the investigation of the kinetics of ultrafast reactions. Such methods are developed for more than half a century. In the field of chemical synthesis, they are used mostly in pharmaceutical chemistry for efficient syntheses of small amounts of active substances. In analytical chemistry, flow measuring systems are designed for environmental applications and industrial monitoring, as well as medical and pharmaceutical analysis, providing essential enhancement of the yield of analyses and precision of analytical determinations. The main concept of this review is to show the overlapping of development trends in the design of instrumentation and various ways of the utilization of specificity of chemical operations under flow conditions, especially for synthetic and analytical purposes, with a simultaneous presentation of the still rather limited correspondence between these two main areas of flow chemistry.

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“…More of such applications of reagents immobilized on solid support have appeared since the early 1960s, e.g. improving carrying out heterogeneous reactions [5,6], carrying out effectively the dialysis under flow conditions [7] or reactions catalyzed enzymatically with enzyme immobilized in flow-through reactor [8]. First examples of describing such methodologies as "flow synthesis" can be found in the literature since the 1970s, e.g.…”

Section: Introductionmentioning

confidence: 98%

Flow chemistry vs. flow analysis

Trojanowicz¹

2016

Talanta

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Alumina: Catalyst and support. XVI 1, 2Aromatization and dehydroisomerization of branched C6$z.sbnd;C8 hydrocarbons over ?nonacidic? chromia-alumina catalyst

Cited by 11 publications

References 8 publications

Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3

Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3

Flow Chemistry in Contemporary Chemical Sciences: A Real Variety of Its Applications

Flow chemistry vs. flow analysis

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Alumina: Catalyst and support. XVI *1, *2Aromatization and dehydroisomerization of branched C6$z.sbnd;C8 hydrocarbons over ?nonacidic? chromia-alumina catalyst

Cited by 11 publications

References 8 publications

Alumina: Catalyst and Support. XXV.1 Aromatization of 2-Methylhexane-6-C14, 3-Methylhexane-5-C14, and 3-Methyl-C14-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization2,3

Alumina: Catalyst and Support. XXV.1 Aromatization of 2-Methylhexane-6-C14, 3-Methylhexane-5-C14, and 3-Methyl-C14-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization2,3

Flow Chemistry in Contemporary Chemical Sciences: A Real Variety of Its Applications

Flow chemistry vs. flow analysis

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Product

Resources

About

Alumina: Catalyst and support. XVI 1, 2Aromatization and dehydroisomerization of branched C6$z.sbnd;C8 hydrocarbons over ?nonacidic? chromia-alumina catalyst

Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3

Alumina: Catalyst and Support. XXV.¹ Aromatization of 2-Methylhexane-6-C¹⁴, 3-Methylhexane-5-C¹⁴, and 3-Methyl-C¹⁴-hexane over Chromia—Alumina Catalyst. Contribution to the Mechanism of Aromatization^2,3