Meyer, Andreas Uwe and Berger, Anna Lucia and Koenig, Burkhard (2016) Metal-free C-H sulfonamidation of pyrroles by visible light photoredox catalysis. CHEMICAL COMMUNICATIONS, 52 (72). pp. 10918-10921. ISSN 1359-7345, 1364-548X
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We report a one-step procedure for the preparation of N-(2-pyrrole)-sulfonamides from sulfonamides and pyrroles. The reaction uses visible light, an acridinium dye as photocatalyst and oxygen as the terminal oxidant for the oxidative C-N bond formation; structures of several reaction products were confirmed by X-ray structure analysis. The reaction is selective for pyrroles, due to the available oxidation power of the photocatalyst and the required stability of the carbo-cation intermediate under the reaction conditions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | OLEFIN COUPLING REACTIONS; ANTI-MARKOVNIKOV HYDROAMINATION; SULFONYL AZIDES; DIRECT ACCESS; INHIBITORS; ALKENES; DERIVATIVES; INDOLES; CYCLOADDITIONS; NUCLEOPHILES; |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Burkhard König |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 18 Mar 2019 11:50 |
| Last Modified: | 18 Mar 2019 11:50 |
| URI: | https://pred.uni-regensburg.de/id/eprint/2655 |
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