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Synlett 1995; 1995(SI): 491-492
DOI: 10.1055/s-1995-5283
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Enantioselective Intramolecular Cyclopropanation Catalyzed by Semicorrin-Copper Complexes

Carmen Piqué, Bruno Fähndrich, Andreas Pfaltz*
  • *Institut für Organische Chemie, Universität Basel, St. Johanns-Ring 19, CH-4056 Basel, Switzerland
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Publikationsdatum:
31. Dezember 2000 (online)

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Chiral semicorrin-copper complexes are efficient enantioselective catalysts for intramolecular cyclopropanation reactions of diazomethyl alkenyl ketones leading to bicyclo[3.1.0]hexan-2-ones (up to 85% ee) and bicyclo[4.1.0]heptan-2-ones (up to 95% ee).

Asymmetric catalysis - enantioselective intramolecular cyclopropanation - cyclization - diazo compounds - copper-semicorrin complexes