Electropolymerized Cr–salen complexes for the heterogeneous asymmetric hetero Diels-Alder reaction
✍ Scribed by Mohamed Mellah; Benoît Ansel; Frédéric Patureau; Arnaud Voituriez; Emmanuelle Schulz
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 269 KB
- Volume
- 272
- Category
- Article
- ISSN
- 1381-1169
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✦ Synopsis
New electropolymerized chiral salen-chromium complexes have been successfully used as heterogeneous catalysts for the asymmetric hetero Diels-Alder reaction. These insoluble catalysts were reused up to six times affording the expected products with unchanged enantioselectivity along the recycling procedure. Promising attempts to use these catalysts in a multi-substrate procedure are described.
📜 SIMILAR VOLUMES
Asymmetric Hetero-Diels-Alder Reactions Catalyzed by Chiral (Salen)Chromium(III) Complexes. -The title reactions between (I) and a wide range of aldehydes require only 2 mol% of the catalyst and afford the pyranone derivatives (III) with good enantioselectivity. Among different derivatives of the c
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