HFIP-promoted formal [2π + 2σ] cycloaddition of <i>para</i>-quinone methides with bicyclo[1.1.0]butanes: an approach towards spiro-bicyclo[2.1.1]hexanes
Haijian Wu, Manman Sun, Jing Zhang, Zhiming Wang, Jianguo Yang, Gangguo Zhu
Abstract
A formal [2π + 2σ] cycloaddition of BCBs with p -QMs has been developed using HFIP (2 M) as the solvent without an additional catalyst to enable the rapid construction of spiro-BCHs.
Topics & Concepts
Bicyclic moleculeChemistryCycloadditionQuinoneMedicinal chemistryOrganic chemistryCatalysisSynthesis of Indole DerivativesOxidative Organic Chemistry ReactionsBioactive Compounds and Antitumor Agents