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US 2010/0076239 A1Published application
Asymmetric cyclopropanation of electron-deficient olefins with diazo reagents
AssigneeUniversity of South Florida
InventorX. Peter Zhang
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Abstract
Cobalt-catalyzed asymmetric cyclopropanation of electron-deficient olefins.
Claims20
A process for asymmetric cyclopropanation of an olefin wherein at least one of the olefinic carbon atoms possesses an electron withdrawing group, the process comprising treating the olefin with a diazo reagent in the presence of a chiral porphyrin catalyst.
Dependencies are inferred from the claim text.