Osmium-Centered Oxetylidene: Formation and Cleavage
收藏Figshare2016-02-20 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Osmium_Centered_Oxetylidene_Formation_and_Cleavage/2461975
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The first transition-metal–oxetylidene complex has been prepared by reaction of OsCl(η5-C5H5)(CO)(PiPr3) with 3,3-di(methoxycarbonyl)-5-hexyn-1-al and AgBF4. This novel compound is transformed into a hydroxyalkenylcarbene isomer by deprotonation and subsequent protonation of the resulting α,β-unsaturated acyl transient species. In fluorobenzene at 90 °C, the four-membered ring undergoes cycloreversion to afford a cis-dicarbonyl derivative and the cycloalkene.
创建时间：
2016-02-20
