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. 14187-32-7, C20H24O6. A document type is Article, introducing its new discovery., Formula: C20H24O6
KINETICS AND MECHANISM OF MONOMOLECULAR HETEROLYSIS OF FRAMEWORK COMPOUNDS. II. IONIZATION OF 1-ADAMANTYL IODIDE IN ACETONITRILE
The heterolysis of 1-adamantyl iodide in acetonitrile was studied preparatively and kinetically (in the presence of triphenylverdazyl as internal indicator).Additions of LiClO4, Et4N+ClO4-, Et4N+OTs-, Et4N+I-, and Et4N+Br- do not affect the reaction rate; the normal salt effect and the salt effect of the law of mass action do not appear.Additions of water increase the reaction rate a little, while additions of LiBr, Bu4N+NO3-, LiCl, and Et4N+Cl- reduce it greatly.It is suggested that an intimate ion pair of the substrate is converted into a solvent- separated ion pair in the controlling stage of the reaction.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare