Dearomative [4 + 3] cycloaddition of furans with vinyl- <i>N</i> -triftosylhydrazones by silver catalysis: stereoselective access to oxa-bridged seven-membered bicycles
Zhaohong Liu, Yong Yang, Xinyu Jiang, Qingmin Song, Giuseppe Zanoni, Shaopeng Liu, Xihe Bi
Abstract
A practical dearomative [4 + 3] cycloaddition of furans with vinylcarbenes to access oxa-bridged seven-membered carbocycles, with complete and predictable stereoselectivity, is achieved by merging silver catalysis and vinyl- N -triftosylhydrazones.
Topics & Concepts
StereoselectivityCycloadditionChemistryCatalysisCombinatorial chemistryOrganic chemistryMedicinal chemistryCyclopropane Reaction MechanismsCatalytic Alkyne ReactionsCatalytic C–H Functionalization Methods