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1
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Carrera M, De Coen L, Coppens M, Dermaut W, Stevens CV. A Vilsmeier Chloroformylation by Continuous Flow Chemistry. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00318] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Manuel Carrera
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Campus Coupure, Coupure Links 653, Gent B-9000, Belgium
| | - Laurens De Coen
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Campus Coupure, Coupure Links 653, Gent B-9000, Belgium
| | | | - Wim Dermaut
- Agfa-Gevaert NV, Septestraat 27, Mortsel B-2640, Belgium
| | - Christian V. Stevens
- Department of Green Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Campus Coupure, Coupure Links 653, Gent B-9000, Belgium
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2
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Oh ET, Jin Kim H, Taek Oh J, Su L, Yun I, Nam K, Min JH, Woo Kim J, Koo S. Synthesis of Coenzyme Q10. European J Org Chem 2012. [DOI: 10.1002/ejoc.201200627] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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3
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Wang J, Yang J, Yang B, Hu X, Sun JQ, Yang T. A Green and Efficient Synthesis of 1-Chloromethyl -2,3,4,5-Tetramethoxy-6-Methylbenzene. JOURNAL OF CHEMICAL RESEARCH 2010. [DOI: 10.3184/030823410x12857507693437] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The title compound, a key intermediate for preparing coenzyme Q analogues, was prepared in excellent yield by a reaction sequence starting from the commercially available 3,4,5-trimethoxybenzadehyde via Wolff–Kishner reduction, selective bromination, methoxylation and Blanc chloromethylation reaction.
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Affiliation(s)
- Jin Wang
- Faculty of Life Science and technology, Kunming, 650224, P. R. China
| | - Jian Yang
- Faculty of Life Science and technology, Kunming, 650224, P. R. China
| | - Bo Yang
- Faculty of Life Science and technology, Kunming, 650224, P. R. China
| | - Xiao Hu
- Faculty of Socal Sciences, Kunming University of Science and Technology, Kunming, 650224, P. R. China
| | - Jia-Qiang Sun
- Faculty of Life Science and technology, Kunming, 650224, P. R. China
| | - Tao Yang
- Faculty of Life Science and technology, Kunming, 650224, P. R. China
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4
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Wang J, Yang J, Yang B, Sun JQ, Yang T. Alternative Synthesis of 5-Chloromethyl-2,3-Dimethoxy-6-Methyl-1,4-Benzoquinone: A Key Intermediate for Preparing Coenzyme Q Analogues. JOURNAL OF CHEMICAL RESEARCH 2010. [DOI: 10.3184/030823410x12857507693464] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The title compound, a key intermediate for preparing Coenzyme Qn family, was prepared in high yield by a reaction sequence starting from the commercially available 3, 4, 5-trimethoxy-benzadehyde via Wolff–Kishner reduction, Vilsmeier–Haack reaction, Blanc chloromethylation reaction, Dakin reaction and oxidation.
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Affiliation(s)
- Jin Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China
| | - Jian Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China
| | - Bo Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China
| | - Jia-Qiang Sun
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China
| | - Tao Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, P. R. China
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5
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Su W, Weng Y, Jiang L, Yang Y, Zhao L, Chen Z, Li Z, Li J. Recent Progress in the Use of Vilsmeier-Type Reagents. ORG PREP PROCED INT 2010. [DOI: 10.1080/00304948.2010.513911] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Kundrat O, Cisarova I, Böhm S, Pojarova M, Lhotak P. Uncommon Regioselectivity in Thiacalix[4]arene Formylation. J Org Chem 2009; 74:4592-6. [DOI: 10.1021/jo9005574] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ondrej Kundrat
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 6, 166 28 Prague 6, Czech Republic, and Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Ivana Cisarova
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 6, 166 28 Prague 6, Czech Republic, and Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Stanislav Böhm
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 6, 166 28 Prague 6, Czech Republic, and Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Michaela Pojarova
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 6, 166 28 Prague 6, Czech Republic, and Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
| | - Pavel Lhotak
- Department of Organic Chemistry, Prague Institute of Chemical Technology, Technicka 6, 166 28 Prague 6, Czech Republic, and Department of Inorganic Chemistry, Charles University, Hlavova 8, 128 43 Prague 2, Czech Republic
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7
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Vera WJ, Chinea K, Banerjee AK. An Alternative Route for the Synthesis of 2,3,4,5-tetramethoxytoluene. JOURNAL OF CHEMICAL RESEARCH 2009. [DOI: 10.3184/030823409x424885] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The transformation of the commercially available 2,3.4-trimethoxybenzaldehyde to 2,3,4,5-tetramethoxytoluene using a Dakin reaction to insert the extra oxygen, formylation, reduction and methylation of the phenolic hydroxyl group is described.
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Affiliation(s)
- William J. Vera
- Centro de Quimica, IVIC, Apartado-21827, Caracas-1020A, Venezuela
| | - Kimberly Chinea
- Centro de Quimica, IVIC, Apartado-21827, Caracas-1020A, Venezuela
| | - Ajoy K. Banerjee
- Centro de Quimica, IVIC, Apartado-21827, Caracas-1020A, Venezuela
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8
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Xing L, Wang X, Cheng C, Zhu R, Liu B, Hu Y. A solvent-controlled highly efficient Pd–C catalyzed hydrogenolysis of benzaldehydes to methylbenzenes via a novel ‘acetal pathway’. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.06.105] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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