Synthesis and Structure of a Propeller-Shaped Polycyclic Aromatic Hydrocarbon Containing Seven-Membered Rings
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https://figshare.com/articles/dataset/Synthesis_and_Structure_of_a_Propeller-Shaped_Polycyclic_Aromatic_Hydrocarbon_Containing_Seven-Membered_Rings/6011006
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资源简介：
The
synthesis and structure of a C3-symmetric
propeller-shaped polycyclic aromatic hydrocarbon that
bears three seven-membered rings is reported. The synthesis was accomplished
in three steps from benzo[c]naphtho[2,1-p]chrysene, including a Pd-catalyzed intramolecular
C–H arylation for the formation of the seven-membered rings.
The combination of the helicities (P/M) of the three seven-membered-ring moieties and three [4]helicene
moieties affords 24 possible conformers, and two relatively stable
conformations were observed by 1H NMR spectroscopy.
创建时间：
2018-03-21
