8. In the reaction below, why does the amine nitrogen (#1 in red) undergo protonation with H2SO4 preferentially over the amide nitrogen (#2 in red)? In other words, why is nitrogen 1 basic, but nitrogen 2 is not? H,SO, HSO4

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8. In the reaction below, why does the amine nitrogen (#1 in red) undergo protonation with H2SO4
preferentially over the amide nitrogen (#2 in red)? In other words, why is nitrogen 1 basic, but
nitrogen 2 is not?
H,SO4
HSO4
Transcribed Image Text:8. In the reaction below, why does the amine nitrogen (#1 in red) undergo protonation with H2SO4 preferentially over the amide nitrogen (#2 in red)? In other words, why is nitrogen 1 basic, but nitrogen 2 is not? H,SO4 HSO4
REFER TO THE SCHEME FOR THE SYNTHESIS OF LIDOCAINE SHOWN BELOW
NO2 SnCl,/ HCI
NH3 CI
NH2
Кон
CH,COOH
CH;COOH
1
2
3
2,6-Dimethy-
2,6-Dimethy-
nitrobenzene
aniline
H
toluene
5
a-Chloro-2,6-
Lidocaine
dimethylacetanilide
Transcribed Image Text:REFER TO THE SCHEME FOR THE SYNTHESIS OF LIDOCAINE SHOWN BELOW NO2 SnCl,/ HCI NH3 CI NH2 Кон CH,COOH CH;COOH 1 2 3 2,6-Dimethy- 2,6-Dimethy- nitrobenzene aniline H toluene 5 a-Chloro-2,6- Lidocaine dimethylacetanilide
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