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Photooxygenations of 1-naphthols: an environmentally friendly access to 1,4-naphthoquinones
Suchard, Oliver and Kane, Ronan and Roe, Bernard J. and Zimmermann, Elmar and Jung, Christian and Waske, Prashant A. and Mattay, Jochen and Oelgemöller, Michael (2005) Photooxygenations of 1-naphthols: an environmentally friendly access to 1,4-naphthoquinones. Tetrahedron, 62 (7), pp. 1467-1473. Elsevier. DOI: 10.1016/j.tet.2005.11.021.
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Abstract
Dye sensitized photooxygenations of 1-naphthols were investigated with soluble and solid-supported sensitizers and moderate to excellent yields of the corresponding 1,4-naphthoquinones were achieved in relatively short irradiation times. The mild and environmentally friendly reaction conditions made this application particularly attractive for ‘Green Photochemistry’. Consequently, the photooxygenation of 1,5-dihydroxynaphthalene was studied with non-concentrated and moderately concentrated sunlight and 5-hydroxy-1,4-naphthoquinone (Juglone) was obtained in yields up to 71%.
| Document Type: | Article | ||||||||||||||||||
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| Title: | Photooxygenations of 1-naphthols: an environmentally friendly access to 1,4-naphthoquinones | ||||||||||||||||||
| Authors: |
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| Date: | 01 December 2005 | ||||||||||||||||||
| Journal or Publication Title: | Tetrahedron | ||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||
| Volume: | 62 | ||||||||||||||||||
| DOI: | 10.1016/j.tet.2005.11.021 | ||||||||||||||||||
| Page Range: | pp. 1467-1473 | ||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||
| Status: | Published | ||||||||||||||||||
| Keywords: | Quinones; Photochemistry; Photooxygenations; Green chemistry; Solar energy | ||||||||||||||||||
| HGF - Research field: | Energy | ||||||||||||||||||
| HGF - Program: | no assignment | ||||||||||||||||||
| HGF - Program Themes: | E SF - Solar research | ||||||||||||||||||
| DLR - Research area: | Energy | ||||||||||||||||||
| DLR - Program: | E SF - Solar research | ||||||||||||||||||
| DLR - Research theme (Project): | E - Solare Stoffumwandlung (old) | ||||||||||||||||||
| Location: | Köln-Porz | ||||||||||||||||||
| Institutes and Institutions: | Institute of Technical Thermodynamics > Solar Research | ||||||||||||||||||
| Deposited By: | Dr.rer.nat. Christian Jung | ||||||||||||||||||
| Deposited On: | 27 Sep 2006 | ||||||||||||||||||
| Last Modified: | 14 Jan 2010 23:15 |
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