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Polymer-supported first-row transition metal schiff base complexes: Efficient catalysts for epoxidation of alkenes. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2021.105142] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Zhang X, Nie Y, Yuan Y, Lu F, Geng Z. Density functional theory investigation on the mechanism of dehydrogenation of cyclohexane catalyzed by heteronuclear NiTi+. COMPUT THEOR CHEM 2020. [DOI: 10.1016/j.comptc.2020.112820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Recent progresses in polymer supported cobalt complexes/nanoparticles for sustainable and selective oxidation reactions. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110775] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Lu F, Li L, Zhang X, Nie Y, Geng Z. Enhancement of the Catalytic Activities of Heteronuclear Bimetallic Cations for the C-H Bond Activation of Cyclohexane. J Phys Chem A 2019; 123:10397-10405. [PMID: 31693370 DOI: 10.1021/acs.jpca.9b05715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Heterometallic cations NiCu+ and CoNi+ can easily induce triple dehydrogenation of cyclohexane with high yield, and monometallic cations Ni+ and Co+ only give rise to double dehydrogenation with low yield. Reaction mechanisms of the six C-H bond activations for cyclohexane are systematically investigated by comparing the difference between bimetallic cations and monometallic ones. Fragment molecular orbital analysis clearly indicates that charge transfer (CT) occurs from the occupied interacting orbital of the metallic cation to the σ*-antibonding orbital of the first, third, and fifth activated C-H bonds in transition states. The synergistic effects of heteronuclear bimetallic cations result in the destabilization of the occupied interacting orbital in bimetallic cations, which raise the reactivity of bimetallic cations and enhance the CT between catalysts and substrates. Contrary to the absence of the third dehydrogenation product in the mononuclear metallic cation catalytic reaction, a significant amount of the third dehydrogenation product is observed in the presence of heteronuclear cations (NiCu+ and CoNi+). π back-bonding between Ni of heteronuclear metallic cations and the substrate cyclohexadiene plays an essential role in lowering the energies of transition states, which accelerate the third dehydrogenation. The reasons why heteronuclear bimetallic cations are more reactive than monometallic ones are discussed in detail.
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Affiliation(s)
- Feng Lu
- Gansu Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education , Northwest Normal University , Lanzhou , Gansu 730070 , P. R. China.,Department of Metallurgical and Chemical Engineering , Gansu Vocational & Technical College of Nonferrous Metallurgy , Jinchang , Gansu 737100 , P. R. China
| | - Li Li
- Gansu Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education , Northwest Normal University , Lanzhou , Gansu 730070 , P. R. China.,Department of Metallurgical and Chemical Engineering , Gansu Vocational & Technical College of Nonferrous Metallurgy , Jinchang , Gansu 737100 , P. R. China
| | - Xiaoxia Zhang
- Gansu Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education , Northwest Normal University , Lanzhou , Gansu 730070 , P. R. China
| | - Yuxiu Nie
- Gansu Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education , Northwest Normal University , Lanzhou , Gansu 730070 , P. R. China
| | - Zhiyuan Geng
- Gansu Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education , Northwest Normal University , Lanzhou , Gansu 730070 , P. R. China
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Wang K, Zhao S, Ma L, Yang M, Qin J, Huang X, Gong L, Xiong Y, Li R. A 3D-honeycomb-like catalyst: a nitrogen-doped carbon material with cobalt and manganese-oxide for C–H bond oxidation. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00991d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A three dimensional mesoporous honeycomb-like material that is multifunctional and easily recoverable, and shows efficient performance is described.
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Affiliation(s)
- Kaizhi Wang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Shiling Zhao
- Laboratory of Mesoscopic Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- PR China
| | - Lei Ma
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Ming Yang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Jiaheng Qin
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Xiaokang Huang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Li Gong
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Yucong Xiong
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
| | - Rong Li
- State Key Laboratory of Applied Organic Chemistry (SKLAOC)
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- PR China
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