Schwarz, Johanna and Koenig, Burkhard (2016) Metal-free, visible-light-mediated, decarboxylative alkylation of biomass-derived compounds. GREEN CHEMISTRY, 18 (17). pp. 4743-4749. ISSN 1463-9262, 1463-9270
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This work describes a mild, environmentally friendly method to activate natural carboxylic acids for decarboxylative alkylation. After esterification of biomass-derived acids to N-(acyloxy)phthalimides, the active esters are cleaved reductively by photocatalysis to give alkyl radicals, which undergo C-C bond formation with electron-deficient alkenes. This reaction is catalyzed by the organic dye eosin gamma and green light (535 nm) and the scope of acids includes abundant amino acids, alpha-oxy acids and fatty acids which are available from renewable resources.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ALPHA-AMINO-ACIDS; PHOTOCATALYTIC HYDROGEN-PRODUCTION; ELECTRON-DEFICIENT ALKENES; ALIPHATIC CARBOXYLIC-ACIDS; PHOTOREDOX CATALYSIS; NICKEL CATALYSIS; EOSIN-Y; HETEROGENEOUS PHOTOCATALYSIS; MERGING PHOTOREDOX; COUPLING REACTIONS; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Organische Chemie Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Burkhard König |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 14 Mar 2019 09:28 |
| Last Modified: | 14 Mar 2019 09:28 |
| URI: | https://pred.uni-regensburg.de/id/eprint/2661 |
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