FeCl3-Catalyzed Intermolecular Formal [8π+2σ] Cycloaddition of Azaheptafulvene with Bicyclo[1.1.0]butanes for the Synthesis of Cycloheptatriene-Fused 2-Azabicyclo[3.1.1]heptanes.
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DOI: 10.1021/acs.orglett.5c00489
Abstract: Higher-order cycloadditions are a simple and effective strategy for constructing significant medium-sized architectures. Azaheptafulvenes reacting with readily accessible bicyclo[1.1.0]butanes (BCBs) through FeCl3-promoted intermolecular formal [8π+2σ] cycloaddition reactions to access cycloheptatriene-fused 2-azabicyclo[3.1.1]heptanes have been developed. This… read more here.
Keywords: fused azabicyclo; intermolecular formal; formal cycloaddition; azabicyclo heptanes ... See more keywords