Copper (II) Supported on Nafion® Perfluorinated Ion Exchange Polymer: An Efficient Catalyst For Cyclopropanation Reactions
- 1 January 1988
- journal article
- research article
- Published by Taylor & Francis in Synthetic Communications
- Vol. 18 (1) , 61-68
- https://doi.org/10.1080/00397918808057820
Abstract
The generation of reactive carbenoid intermediates by transition metal-catalyzed decomposition of α -diazo carbonyl compounds is a rapidly developing area of synthtic methodology. Addition of such species to olefins affords cyclopropane-carboxylate esters such as 1 which has been widely used in organic synthesis 1 and synthetic pyrethroid insecticides 2. Moreover, addition of such carbenoids to C-H and N-H bonds provides stereocontrolled access to products ranging from steroids3 to thienamycin derivatives 4.Keywords
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