678 / 912
670 Chapter 19
Copyright © 2017 Pearson Education, Inc.
42.
a.
NHNH
2
+
CH
3
CCH
2
CH
3
O
c.
NHNH
2
+
O
b.
NHNH
2
+
CH
3
CH
2
CH
2
CH
O
43.
HC O
HC OBF
3
+ −
BF
3
N
H
N
H
+
CH
C
6
H
5
OBF
3
−
H
B
N
H
CH
C
6
H
5
OBF
3
−
H
H B
+
N
H
CH
C
6
H
5
OBF
3
− +
N
H
CH
C
6
H
5
+
N
H
N
H
N
H
CH
C
6
H
5
+
H
B
N
H
N
H
CH
C
6
H
5
N
H
N
H
CH
C
6
H
5
N
H
N
H
CH
C
6
H
5
CH
C
6
H
5
Repeat two more times.
2. Instead of using another molecule of pyrrole,
do an intramolecular reaction with the pyrrole
at the end of the chain.
tetraphenylporphyrin
1. Repeat with benzaldehyde.
44.
a.
HNO
3
H
2
SO
4
H
2
S
S NO
2
S NH
2
S NH
2
O
2
N
Pd/C
1. HNO
2. HO
3
,
H
2
SO
4
_
b.
HNO
3
H
2
SO
4
H
2
Pd/C
Br
2
Fe
2
Br
3
N
NO
2
N
NH
2
N
Br
NH
2
N