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Chapter 23 771
Copyright © 2017 Pearson Education, Inc.
35.
N
HC
N
C CH
2
CH
2
X
H
H
+
B
N
H
HC
N
C CH CH
2
X
B
+
+
H
HB
N
H
HC
N
C CH CH
2
H B
X
−
N
HC
N
C
CH
3
CH
H
B
E
(CH
2
)
4
NH
2
transimination
+
N
HC
N
(CH
2
)
4
E
H
+
+
tautomerization
HCl,
H
2
O
imine
hydrolysis
+
NH
4
+
_
O
_
O
_
O
NH
2
C
O
O
_
C
O
O
_
C
O
O
_
C
O
O
_
CH
3
CH C
C
O
NH
CH
3
CH
2
C
C
O
O
CH
3
CH
2
C
C
O