期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 980-981, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2022.122513
关键词
?-pinene; Hydrogenation; Density functional theory; Mechanism; C = C double bond
In this study, density functional theory was used to investigate the hydrogenation mechanism of pinene. The main hydrogenation reaction and transition state of pinene were identified, and the active site of pinene was found to be a double bond.
In this paper, density functional theory (DFT) is used to investigate the hydrogenation mechanism of pinene. The experimental route to study the mechanism of selective hydrogenation of pinene is well defined. Under the DFT theoretical model, the positions before and after the reaction structure changed on the carbon-carbon double bond, and the calculated IR/Raman/UV/NMR/frontline molecular orbitals and transition state are consistent, indicating that the unstable bond of pinene is a C = C double bond and that the main hydrogenation reaction occurs. And the transition state of alpha-pinene is predicted to be an open-loop state and the transition state of ,B-pinene is a closed-loop state after the hydrogenation of pinene. The simulation of the transition state shows that the reaction model is based on the known catalytic molecular mechanism of the catalytic element and can elucidate at the atomic-molecular level that the active site of pinene is a double bond.(c) 2022 Elsevier B.V. All rights reserved.
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