Schinnerl, Marina and Böhm, Claudius and Seitz, Michael and Reiser, Oliver (2003) New Bis(oxazoline) Ligands with Secondary Binding Sites for the Asymmetric Cyclopropanation of Furans. Tetrahedron Asymmetry 14 (7), pp. 765-771.
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The diastereo- and enantioselective cyclopropanation of furans was achieved in up to 91% ee using a new set of chiral bis(oxazoline) ligands that are able to use secondary binding sites to enhance selectivity. In contrast, with substrates such as styrene and N-Boc-pyrrole, with which no secondary interactions with the ligands can occur, only moderate selectivities (<50% ee) were achieved.
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|Date:||4 April 2003|
|Institutions:||Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||04 Sep 2006|
|Last Modified:||05 Aug 2009 13:22|