A platform of regioselective methodologies to access polysubstituted 2-methyl-1,4-naphthoquinone derivatives: scope and limitations
A platform of synthetic methodologies has been established to access a focused library of polysubstituted 3-benzylmenadione derivatives functionalized on the aromatic ring of the naphthoquinone core. Two main routes were explored: 1) The naphthol route, starting from either an α-tetralone or a propi...
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| Hauptverfasser: | , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
March 21, 2016
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| In: |
European journal of organic chemistry
Year: 2016, Heft: 11, Pages: 1982-1993 |
| ISSN: | 1099-0690 |
| DOI: | 10.1002/ejoc.201600144 |
| Online-Zugang: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1002/ejoc.201600144 Verlag, lizenzpflichtig, Volltext: https://chemistry-europe.onlinelibrary.wiley.com/doi/full/10.1002/ejoc.201600144 
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| Verfasserangaben: | Elena Cesar Rodo, Liwen Feng, Mouhamad Jida, Katharina Ehrhardt, Max Bielitza, Jérémy Boilevin, Michael Lanzer, David Lee Williams, Don Antoine Lanfranchi, and Elisabeth Davioud-Charvet |
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| 245 | 1 | 2 | |a A platform of regioselective methodologies to access polysubstituted 2-methyl-1,4-naphthoquinone derivatives |b scope and limitations |c Elena Cesar Rodo, Liwen Feng, Mouhamad Jida, Katharina Ehrhardt, Max Bielitza, Jérémy Boilevin, Michael Lanzer, David Lee Williams, Don Antoine Lanfranchi, and Elisabeth Davioud-Charvet |
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| 520 | |a A platform of synthetic methodologies has been established to access a focused library of polysubstituted 3-benzylmenadione derivatives functionalized on the aromatic ring of the naphthoquinone core. Two main routes were explored: 1) The naphthol route, starting from either an α-tetralone or a propiophenone, and 2) the regioselective Diels?Alder reaction, starting from various dienes and two 2-bromo-5(or 6)-methyl-1,4-benzoquinones. 6-Substituted 2-methylnaphthols were synthesized by using a xanthate-mediated free-radical addition/cyclization sequence for the construction of the 6-substituted menadione subunit. Furthermore, an efficient and simple new pathway that allows the formation of 6- or 7-substituted 3-(substituted-benzyl)menadione regioisomers from a common commercial scaffold has also been developed by the naphthol route, advantageous with regard to step economy. Our synthetic methodologies exemplified by 34 compounds have allowed structure?activity relationships to be deduced for use as the basis for the development of new antimalarial redox-active polysubstituted benzylmenadione derivatives. | ||
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| 650 | 4 | |a Cycloaddition | |
| 650 | 4 | |a Quinones | |
| 650 | 4 | |a Redox chemistry | |
| 650 | 4 | |a Regioselectivity | |
| 650 | 4 | |a Synthetic methods | |
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| 700 | 1 | |a Lanfranchi, Don Antoine |e VerfasserIn |4 aut | |
| 700 | 1 | |a Davioud-Charvet, Elisabeth |e VerfasserIn |4 aut | |
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