Tandem dihetero-Diels–Alder and Huisgen cycloaddition reactions. Synthesis, crystal structure and hydrolysis of the novel cage phosphoranes
文献情報
Ekaterina V. Mironova, Robert R. Fayzullin, Igor A. Litvinov, Sergey V. Efimov, Rashid Z. Musin, Vladimir V. Klochkov
The reaction of 2-(1-phenylvinyloxy)benzo-1,3,2-dioxaphosphole with hexafluoroacetone, ethyltrifluoropyruvate and chloral leads to the formation of cage phosphoranes possessing the 1-phospha-2,6,8-trioxabicyclo[3.2.1]octane framework whose structure was established by the XRD method and NMR spectroscopy. The process involves dihetero-Diels–Alder and Huisgen 1,3-dipolar cycloaddition reactions and is accompanied by the simultaneous formation of the P–C and C–C bonds. Despite the generation of three chiral carbon atoms, the stereoselectivity of the process exceeds 96%. Hydrolysis leads to the formation of functionalized aldols and phosphonates.
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Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry










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