Directing Group Enhanced Carbonylative Ring Expansions
of Amino-Substituted Cyclopropanes: Rhodium-Catalyzed Multicomponent
Synthesis of N‑Heterobicyclic Enones
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Abstract
Aminocyclopropanes equipped with
suitable N-directing groups undergo
efficient and regioselective Rh-catalyzed carbonylative C–C
bond activation. Trapping of the resultant metallacycles with tethered
alkynes provides an atom-economic entry to diverse N-heterobicyclic
enones. These studies provide a blueprint for myriad N-heterocyclic
methodologies