Gregori, Bernhard J. and Nowakowski, Michal and Schoch, Anke and Pollath, Simon and Zweck, Josef and Bauer, Matthias and Jacobi von Wangelin, Axel (2020) Stereoselective Chromium-Catalyzed Semi-Hydrogenation of Alkynes. CHEMCATCHEM, 12 (21). pp. 5359-5363. ISSN 1867-3880, 1867-3899
Full text not available from this repository. (Request a copy)Abstract
Chromium complexes have found very little applications as hydrogenation catalysts. Here, we report a Cr-catalyzed semi-hydrogenation of internal alkynes to the correspondingZ-alkenes with good stereocontrol (up to 99/1 for dialkyl alkynes). The catalyst comprises the commercial reagents chromium(III) acetylacetonate, Cr(acac)(3), and diisobutylaluminium hydride, DIBAL-H, in THF. The semi-hydrogenation operates at mild conditions (1-5 bar H-2, 30 degrees C).
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Z-SELECTIVE SEMIHYDROGENATION; TRANSFER HYDROGENATION; REDUCTION; CONVENIENT; chromium; hydrogenation; alkynes; stereoselectivity; nanoparticles |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 15 Mar 2021 12:39 |
| Last Modified: | 15 Mar 2021 12:39 |
| URI: | https://pred.uni-regensburg.de/id/eprint/43944 |
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