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Ethyl vinyl ether, hydration

Another approach to the problem of the value of n is to determine the degree of hydration of the transition state in an aprotic, nearly anhydrous, solvent. This has been done (Williams and Kreevoy, unpublished data) for ethyl vinyl ether hydrolysis in dimethylsulfoxide (DMSO). In nearly anhydrous DMSO containing very low concentrations of hydro-... [Pg.91]

Figure 5. Correlation of rate of hydration of terminal alkenes with Figure 5. Correlation of rate of hydration of terminal alkenes with <r+ constants. (Reprinted from Ref. 97 with permission of the American Chemical Society.). 1 vinylcyclopropane, 2 2-cyclopropylpropene, 3 1-cyclopropyl-l-phenylethylene, 4 1,1-dicyclopropylethylene, 5 methyl vinyl sulfide, 6 methyl vinyl ether, 7 a-methoxystyrene, 8 a-ethoxyst5Tene, 9 ethyl vinyl ether, 10 ethyl 2-propenyl ether, 11 phenyl vinyl ether, 12 phenyl 2-propenyl ether, 13 isobutylene, 14 diethoxyethylene, 15 1-hexene, 16 2-methyl-l-butene, 17 2-chloromethylpropene, 18 2,3,3-trimethyl-l-butene, 19 propylene, 20 ethylene, 21 a-methylstyrene, 22 styrene, 23 1-cyclopropyl-l-methoxyethylene. (Reprinted from Ref. 97 with permission from the American Chemical Society.)...
The carbocation intermediate formed from this vinyl ethyl ether has a very large resonance stabilization because its resonance structure has the octet rule satisfied at all atoms, so hydration reaction of this alkene is much faster than that of ethene. [Pg.189]


See other pages where Ethyl vinyl ether, hydration is mentioned: [Pg.311]    [Pg.311]    [Pg.435]    [Pg.167]    [Pg.82]    [Pg.266]    [Pg.5]    [Pg.46]    [Pg.32]   
See also in sourсe #XX -- [ Pg.18 ]




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