Re2O7-Catalyzed Approach to Spirocyclic Ether Formation from Acyclic Precursors: Observation of Remote Stereoinduction.
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DOI: 10.1021/acs.orglett.9b01660
Abstract: Ketones that are flanked by an allylic alcohol and an alkene isomerize to spirocyclic ethers in the presence of Re2O7 through allylic alcohol transposition, oxocarbenium ion formation, and Prins cyclization. These processes provide significant increases… read more here.
Keywords: spirocyclic ether; ether formation; approach spirocyclic; re2o7 catalyzed ... See more keywords