Asymmetric Photochemical [2 + 2]-Cycloaddition of Acyclic Vinylpyridines through Ternary Complex Formation and an Uncontrolled Sensitization Mechanism.
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DOI: 10.1021/jacs.2c09690
Abstract: Stereochemical control of photochemical reactions that occur via triplet energy transfer remains a challenge. Suppressing off-catalyst stereorandom reactivity is difficult for highly reactive open-shell intermediates. Strategies for suppressing racemate-producing, off-catalyst pathways have long focused on… read more here.
Keywords: cycloaddition acyclic; catalyst; photochemical cycloaddition; asymmetric photochemical ... See more keywords