Comparative Baeyer-Villiger oxidation of cyclohexanone on Fe-pillared clays and iron tetrasulfophthalocyanine covalently supported on silica

Efficient Catalysis of the Aerobic Baeyer–Villiger Oxidation over a Bifunctional Catalyst Based on Cobalt Tetraphenylporphyrin Intercalated into Zn2Al Hydrotalcite

“…On the basis of the experimental results shown above and some literature examples, [2,[8][9][10][11][12][13][14] we propose a reaction route in Figure 6 for the oxidation of ketones by the O 2 /aldehyde system catalyzed by CoTSPP-Zn 2 Al-LDH. The oxidation process starts from the oxidation of the aldehyde to form the peracid catalyzed by intercalated CoTSPP, and the produced peracid can readily enable the B-V oxidation of the ketone catalyzed by the basic material Zn 2 Al-LDH.…”

“…[7] Various materials have been introduced to catalyze the B-V oxidation with molecular oxygen, but most of the catalysts can only catalyze one of the two steps. The catalysts for the first step consist of metallo complexes, [8] active carbon, [2] transitionmetal ions or their oxides, [9] and metals in various supports. [10] Actually, it is well known that metallo complexes including metalloporphyrins, which are biomimetic catalysts for P450, have excellent performance in the oxidation of various substrates.…”

“…[8-10, 13, 14] In addition, high conversion and selectivity are obtained when the temperature is 40 8C, which is also lower than typical reported work. [2,[8][9][10][11][12][13][14] The present oxidation system could be attractive if it can be applied to various ketones. Table 2 shows the B-V type aerobic oxidation of various ketones in the presence of CoTSPP-Zn 2 Al-LDH and benzaldehyde.…”

Sn‐Ti Submicrospheres with Tunable Particle Size for Cyclohexanone Baeyer‐Villiger Oxidation

“…[6,7] Oxygen, as a green, safe and cheap oxidant, is a very promising substitution for the ε-caprolactone preparation by co-oxidation in the presence of aldehydes. [8][9][10][11][12] Up to now, catalysts used for oxygen/aldehyde oxidation mainly include Fe-based, [8] Cubased, [13] and Sn-based materials, [14] etc. Among them, Sn-based materials have been widely studied because of its Lewis acid, which can activate the carbonyl group of cyclohexanone and is more favorable to the cyclohexanone conversion.…”

Cobalt-Tetraamide-Phthalocyanine Immobilized on Fe3O4/Chitosan Microspheres as an Efficient Catalyst for Baeyer–Villiger Oxidation

“…O 2 /benzaldehyde as an environmentally friendly system employs various catalysts, such as metal complexes, hydrotalcite, transition metal ions or metal oxides, , and metal supported on various supports, , in B–V oxidation. In a previous report where copper tetrasulfophthalocyanine-intercalated hydrotalcite was used as a catalyst for the B–V reaction, good results have been achieved in the O 2 /benzaldehyde system.…”