Intriguing Electrophilic Reactivity of Donor-Acceptor Cyclopropanes: Experimental and Theoretical Studies
Résumé
A new reactivity of donor–acceptor cyclopropanes (DACs) has been highlighted and, for the first time, we report that they could formally behave as nucleophiles and be func-tionalized at their C3 position. The donor–acceptor cyclo-propane acts as a formal nucleophilic synthetic equivalent of a 1,2-zwitterion and could be described as an umpolung synthon.
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