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- W4383695276 abstract "Transition-metal-mediated carbon–carbon single-bond cleavage of cyclopropenes has been widely exploited in organic synthesis. However, the ring-opening of cyclopropenes via the cleavage of their carbon–carbon double bond remains a formidable challenge. Herein, we report an intramolecular cycloaddition of cyclopropenes with alkynes via cleavage of the carbon–carbon double bond of cyclopropenes enabled by a ruthenium catalyst to afford 1,2-fused cyclopentadienes, which are difficult to access by conventional synthetic methods. Density functional theory calculations indicate that the reaction proceeds via a cyclopropane-fused ruthenacycle that undergoes ring expansion to generate a six-membered cyclic biscarbenoid. We also synthesized fused cycloheptatrienes via the cycloaddition of cyclopropene–diynes." @default.
- W4383695276 created "2023-07-10" @default.
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- W4383695276 date "2023-07-10" @default.
- W4383695276 modified "2023-09-30" @default.
- W4383695276 title "Cycloaddition of Cyclopropenes with Alkynes via Carbon–Carbon Double Bond Cleavage Enabled by a Ruthenium Catalyst: Synthesis of Cyclopentadienes and Cycloheptatrienes" @default.
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- W4383695276 doi "https://doi.org/10.1021/acscatal.3c02543" @default.
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