Marked similarities exist between the mechanism of nitrous acid deamination of B-aminoalcohols and the pinacol rearrangement. Following are examples of each. Nitrous acid NH, NANO, HCI =O + Ng + H,O deamination of a B-aminoalcohol: `OH OH H,SO4 Pinacol СНО + H,О rearrangement: HO,

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
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Chapter23: Amines
Section: Chapter Questions
Problem 23.26P: The pKa, of the conjugate acid of morpholine is 8.33. (a) Calculate the ratio of morpholine to...
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Analyze the mechanism of each rearrangement and list their similarities.

Marked similarities exist between the mechanism of nitrous acid deamination of
B-aminoalcohols and the pinacol rearrangement. Following are examples of each.
Nitrous acid
NH, NANO, HCI
=O + Ng + H,O
deamination of
a B-aminoalcohol:
`OH
OH H,SO4
Pinacol
СНО + H,О
rearrangement:
HO,
Transcribed Image Text:Marked similarities exist between the mechanism of nitrous acid deamination of B-aminoalcohols and the pinacol rearrangement. Following are examples of each. Nitrous acid NH, NANO, HCI =O + Ng + H,O deamination of a B-aminoalcohol: `OH OH H,SO4 Pinacol СНО + H,О rearrangement: HO,
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