Isenegger, Patrick G. and Bächle, Florian and Pfaltz, Andreas. (2016) Asymmetric Morita-Baylis-Hillman Reaction: Catalyst Development and Mechanistic Insights Based on Mass Spectrometric Back-Reaction Screening. Chemistry - A European Journal, 22 (49). pp. 17595-17599.
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Official URL: http://edoc.unibas.ch/52228/
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Abstract
An efficient protocol for the evaluation of catalysts for the asymmetric Morita-Baylis-Hillman (MBH) reaction was developed. By mass spectrometric back-reaction screening of quasi-enantiomeric MBH products, an efficient bifunctional phosphine catalyst was identified that outperforms literature-known catalysts in the MBH reaction of methyl acrylate with aldehydes. The close match between the selectivities measured for the forward and back reaction and kinetic measurements provided strong evidence that the aldol step and not the subsequent proton transfer is rate- and enantioselectivity-determining.
| Faculties and Departments: | 05 Faculty of Science > Departement Chemie > Former Organization Units Chemistry > Synthetische organische Chemie (Pfaltz) |
|---|---|
| UniBasel Contributors: | Pfaltz, Andreas and Isenegger, Patrick |
| Item Type: | Article, refereed |
| Article Subtype: | Research Article |
| Publisher: | Wiley |
| ISSN: | 0947-6539 |
| e-ISSN: | 1521-3765 |
| Note: | Publication type according to Uni Basel Research Database: Journal article |
| Identification Number: |
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| Last Modified: | 25 Jan 2017 08:58 |
| Deposited On: | 25 Jan 2017 08:58 |
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