Activated carbon supported Co 1.5 PW 12 O 40 as efficient catalyst for the production of 1, 2 cyclohexane diol by oxidation of cyclohexene with H 2 O 2 in the presence of CO 2 Activated carbon supported Co 1.5 PW 12 O 40 as efficient catalyst for the prod
Kahtani, Abdullah A. Al . 2020
Vicinal diols are important building blocks for chemicals and pharmaceuticals. Currently, they areproduced from olefins using solvents and harmful oxidants unfavorable from an environmentaland economic point of view. This work lies on the synthesis of 1,2 cyclohexane diol fromcyclohexene by a green route. To achieve it, a series of Cobalt Keggin heteropolyanion salt(Co1.5PW12O40) loaded on activated carbon with different contents was prepared, characterizedand tested for the synthesis of diol. The effect of various parameters such as reactiontemperature, reaction time and CO2pressure on the reaction was studied. The effect of reactiontemperature in the range 60-80 °C showed that high temperatures favor diol formation whilelow temperatures favor cyclohexanone and a segmented concave Arrhenius graph wasobserved. The results of this work showed that oxidation by H2O2in the presence of CO2is anefficient oxidant system for the production of 1.2 cyclohexane diol over carbon activated carbonsupported Co1.5PW12O40. Thanks to CO2as a soft oxidizing agent, a conversion of 96.9% and aselectivity in 1, 2 cyclohexane diol of 64.2% was obtained. This simple, safe and environmentallymethod could be an alternative green route for vicinal diols production from alkenes
(3) (PDF) Activated carbon supported Co 1.5 PW 12 O 40 as efficient catalyst for the production of 1, 2 cyclohexane diol by oxidation of cyclohexene with H 2 O 2 in the presence of CO 2 Activated carbon supported Co 1.5 PW 12 O 40 as efficient catalyst for the production of 1, 2 cyclohexane diol by oxidation of cyclohexene with H 2 O 2 in the presence of CO 2. Available from: https://www.researchgate.net/publication/344237795_Activated_carbon_supported_Co_15_PW_12_O_40_as_efficient_catalyst_for_the_production_of_1_2_cyclohexane_diol_by_oxidation_of_cyclohexene_with_H_2_O_2_in_the_presence_of_CO_2_Activated_carbon_supported [accessed Dec 19 2020].
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Vicinal diols are important building blocks for chemicals and pharmaceuticals. Currently, they areproduced from olefins using solvents and harmful oxidants unfavorable from an environmentaland…