Electrocatalytic Cyclopropanation of Active Methylene Compounds
The development of novel strategies to access cyclopropanes has become increasingly important due to the vital role of these three-membered ring structures in synthetic intermediates,natural products,and pharmaceuticals.Herein,we present an electrocatalytic method for the synthesis of cyclopropanes through intermolecular dehydrogenative annulation of active methylene compounds and arylalkenes.This electrochemical process requires no chemical oxi-dants,allowing for a speedy access to various functionalized cyclopropanes from inexpensive and readily available materials.
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