We report the intermolecular (4 + 3) cycloadditions of oxetanyl and azetidinyl enolsilanes with different dienes by silylium catalysis to generate bicyclic scaffolds. These enolsilanes were competent to react with furans, cyclopentadiene, and 1,3-cyclohexadiene to deliver cycloadducts in up to 96% yields.
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| http://dx.doi.org/10.1021/acs.joc.4c02196 | DOI Listing |
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