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Mo2C as Pre-Catalyst for the C-H Allylic Oxygenation of Alkenes and Terpenoids in the Presence of H2O2. ORGANICS 2022. [DOI: 10.3390/org3030014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this study, commercially available molybdenum carbide (Mo2C) was used, in the presence of H2O2, as an efficient pre-catalyst for the selective C-H allylic oxygenation of several unsaturated molecules into the corresponding allylic alcohols. Under these basic conditions, an air-stable, molybdenum-based polyoxometalate cluster (Mo-POM) was formed in situ, leading to the generation of singlet oxygen (1O2), which is responsible for the oxygenation reactions. X-ray diffraction, SEM/EDX and HRMS analyses support the formation mainly of the Mo6O192− cluster. Following the proposed procedure, a series of cycloalkenes, styrenes, terpenoids and methyl oleate were successfully transformed into hydroperoxides. After subsequent reduction, the corresponding allylic alcohols were produced with good yields and in lab-scale quantities. A mechanistic study excluded a hydrogen atom transfer pathway and supported the twix-selective oxygenation of cycloalkenes on the more sterically hindered side via the 1O2 generation.
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Dayan S, Kayacı N, Özdemir N, Dayan O, Kalaycioglu Ozpozan N. Palladium(II) complexes assembled on solid materials: as catalysts for the –NO2 (nitro) to –NH2 (amine) reactions. MONATSHEFTE FUR CHEMIE 2020. [DOI: 10.1007/s00706-020-02679-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Yan S, Guo Y, Xiao L, Chen X, Sun R. Chemoselective Hydrogenation of Functionalized Nitroarenes into Anilines by Supported Molybdenum Catalysts. ChemistrySelect 2020. [DOI: 10.1002/slct.202001736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Shasha Yan
- Center for Lignocellulosic Chemistry and BiomaterialsDalian Polytechnic University No.1 Qinggongyuan, Ganjingzi District Dalian 116034 China
| | - Yanzhu Guo
- Center for Lignocellulosic Chemistry and BiomaterialsDalian Polytechnic University No.1 Qinggongyuan, Ganjingzi District Dalian 116034 China
| | - Ling‐Ping Xiao
- Center for Lignocellulosic Chemistry and BiomaterialsDalian Polytechnic University No.1 Qinggongyuan, Ganjingzi District Dalian 116034 China
| | - Xiaohong Chen
- Center for Lignocellulosic Chemistry and BiomaterialsDalian Polytechnic University No.1 Qinggongyuan, Ganjingzi District Dalian 116034 China
| | - Run‐Cang Sun
- Center for Lignocellulosic Chemistry and BiomaterialsDalian Polytechnic University No.1 Qinggongyuan, Ganjingzi District Dalian 116034 China
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Liu X, Zhang L, Wang J, Shang N, Gao S, Wang C, Gao Y. Transfer Hydrogenation of Nitroarenes Catalyzed by CoCu Anchored on Nitrogen‐doped Porous Carbon. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5438] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaotong Liu
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Longkang Zhang
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Junmin Wang
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Ningzhao Shang
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Shutao Gao
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Chun Wang
- College of ScienceHebei Agricultural University Baoding 071001 P. R. China
| | - Yongjun Gao
- College of Chemistry and Environmental ScienceHebei University Baoding 071002 China
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Dayan S, Altinkaynak C, Kayaci N, Doğan ŞD, Özdemir N, Ozpozan NK. Hybrid nanoflowers bearing tetraphenylporphyrin assembled on copper(II) or cobalt(II) inorganic material: A green efficient catalyst for hydrogenation of nitrobenzenes in water. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5381] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Serkan Dayan
- Drug Application and Research CenterErciyes University 38039 Kayseri Turkey
| | - Cevahir Altinkaynak
- Department of Plant and Animal Production, Avanos Vocational SchoolNevsehir Haci Bektas Veli University 50500 Nevsehir Turkey
| | - Nilgün Kayaci
- Department of Chemistry, Faculty of ScienceErciyes University 38039 Kayseri Turkey
| | - Şengül Dilem Doğan
- Department of Pharmaceutical Basic Sciences, Faculty of PharmacyErciyes University 38039 Kayseri Turkey
| | - Nalan Özdemir
- Department of Chemistry, Faculty of ScienceErciyes University 38039 Kayseri Turkey
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Nickel (II) complex [NiCl2(DMF)2L2] bearing diaminobenzene and sulfonamide: Crystal structure and catalytic application in the reduction of nitrobenzenes. Polyhedron 2020. [DOI: 10.1016/j.poly.2019.114181] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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