Electric Literature of 33100-27-5, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 33100-27-5, C10H20O5. A document type is Article, introducing its new discovery.
Reactivity of tris(allyl)aluminum toward pyridine: Coordination versus carbometalation
Tris(allyl)aluminum as its THF adduct, [Al(eta1-C 3H5)3(THF)] (1), reacted with pyridine either under substitution to give [Al(eta1-C3H 5)3(py)] (7) (py = pyridine) or under carbometalation to give N-metalated 2-allyldihydropyridine depending on the solvent. The substituent pattern of the pyridine substrate and the aluminum center’s electrophilicity in [Al(eta1-C3H5) 3(L)] (L = neutral ligand) influenced the outcome of the reaction. Reactions of one N-metalated dihydropyridine with electrophiles have been studied. A crystalline derivative of tris(allyl)aluminum, [Al(eta1- C3H5)3(OPPh3)] (2), and tetrakis(allyl)aluminate in the ion pair [K(15-crown-5)2] [Al(eta1-C3H5)4] (4) were characterized by single-crystal X-ray diffraction and shown to contain four-coordinate aluminum centers.
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Chiral Catalysts,
Chiral catalysts – SlideShare