Oxidative Ring Expansion of Cyclobutanols: Access to Functionalized 1,2-Dioxanes.
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DOI: 10.1021/acs.orglett.1c00070
Abstract: Cyclobutanols undergo an oxidative ring expansion with Co(acac)2 and triplet oxygen to give 1,2-dioxanols. The formation of an alkoxy radical drives the regioselective cleavage of the ring on the more substituted side before insertion of… read more here.
Keywords: oxidative ring; ring expansion; cyclobutanols access; expansion cyclobutanols ... See more keywords