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858 Chapter 28
Copyright © 2017 Pearson Education, Inc.
36.
N
O
+
−
CH
3
N
O
+
CH
3
C
CH
3
O
−
N
O
+
CH
2
CH
3
CH
3
C
CH
3
O
H B
−
O
+
N
O
CH
2
+
HB
+
O CH
3
CH
3
C
O
C
O
O CH
3
C
O
O
C
O
C
N CH
2
O CH
3
C
O
37.
a.
O
[3,3]
tautomerization
O
H
OH
b.
O
[3,3]
tautomerization
O
H
OH
c.
CH
O
[5,5]
tautomerization
OH
CH
CH
2
O
H
d.
CH
O
[5,5]
tautomerization
O
OH
CH
CH
2
H