2020
DOI: 10.1021/acs.iecr.0c02271
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Gas-Phase Oxidation of a Propane–Propylene Mixture by Nitrous Oxide

Abstract: The present study focuses on a new method for obtaining C2−C3 carbonyl compounds (ketones and aldehydes) by the gas-phase selective oxidation of a propane−propylene mixture using nitrous oxide (N 2 O). The oxidation is carried out without catalyst in the temperature range of 623−773 K at elevated pressure. The obtained results reveal that only propylene in the propane− propylene mixture reacts with nitrous oxide. The reaction proceeds by the nonradical mechanism involving the 1,3-dipolar cycloaddition of N 2 O… Show more

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Cited by 5 publications
(13 citation statements)
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References 39 publications
(73 reference statements)
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“…It is seen that C2−C4 aldehydes and ketones are the main productss of the oxidation. According to the numerous literature data, 19,[34][35][36][37][38][39][40][41][42]46,47,56 under the reaction conditions used, these products can be formed only in the reaction of N 2 O with olefins (i.e., butenes in the BBF in our case).…”
Section: Resultsmentioning
confidence: 74%
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“…It is seen that C2−C4 aldehydes and ketones are the main productss of the oxidation. According to the numerous literature data, 19,[34][35][36][37][38][39][40][41][42]46,47,56 under the reaction conditions used, these products can be formed only in the reaction of N 2 O with olefins (i.e., butenes in the BBF in our case).…”
Section: Resultsmentioning
confidence: 74%
“…The gas-phase oxidation with N 2 O of the BBF, which contains all butene isomers, actually results in obtaining the carbonyl compounds listed above (Table 1). Since N 2 O interacts exclusively with the olefinic CC bonds, while remaining inert to alkanes and other non-olefinic compounds, 19,[34][35][36][37][38][39][40][41][42]46,47,56 the aldehydes and ketones do not enter secondary oxidation. In addition, similar to other olefins, 19,[34][35][36][37][38][39][40][41][42]46,47,56 the reaction of butenes with N 2 O does not lead to deep oxidation products (H 2 O, CO, and CO 2 ).…”
Section: Resultsmentioning
confidence: 99%
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“…The decomposition of oxadiazole intermediate with the release of N 2 led to ketone or aldehyde. Olefin structure determines the composition of the resulting products [37,38], the main oxidation products are ketones for 1,2-disubstituted internal olefins, while 1-olefins major get the mixtures of ketones, aldehydes, and cyclopropane derivatives [39,40].…”
Section: Monomolecular Decomposition Reaction Of N 2 O and C 2 Hmentioning
confidence: 99%