Hantzsch Esters Enabled [2π+2σ] Cycloadditions of Bicyclo [1.1.0] butanes and Alkenes under Photo Conditions
Huaipu Yan, Yonghong Liu, Xiao Feng, Lei Shi
Abstract
Hantzsch esters (HEs) are widely recognized as sources of hydride ions (H-) and sacrificial electron donors in their ground state. Here, we report the application of HE as a mediator in [2π+2σ] cycloaddition of bicyclo[1.1.0]butanes (BCBs) with alkenes under photo conditions. Through this strategy, various substituted bicyclo[2.1.1]hexanes can be efficiently prepared.
Topics & Concepts
Bicyclic moleculeChemistryCycloadditionHydrideMedicinal chemistryCombinatorial chemistryOrganic chemistryCatalysisHydrogenRadical Photochemical ReactionsPhotochromic and Fluorescence ChemistryOxidative Organic Chemistry Reactions