33100-27-5. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 33100-27-5, Name is 1,4,7,10,13-Pentaoxacyclopentadecane. In a document type is Article, introducing its new discovery.
Solution state chemistry of scandium(III): A study of scandium-crown ether complexes by 45Sc -NMR spectroscopy
Addition of SbCl5 (1 mol) to ScCl3 (THF)3 (1 mol) in acetonitrile followed by in situ addition of a crown ether (1 mol) provides the [ScCl2 (crown)][SbCl6] complexes where crown = 15-crown-5, dibenzo-24-crown-8, dibenzo-30-crown-10, 1-aza-15-crown-5 and 1-aza-18-crown-6. In the particular case of crown = 12-crown-4, both [ScCl2 (crown)]+ and [Sc (crown)2]3+ cations are produced. Characterisation of these various cationic Sc(III) species in terms of solution structures has been established by 45Sc-NMR spectroscopic studies.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare