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400 Chapter 11
Copyright © 2017 Pearson Education, Inc.
23.
To determine the size of the ring that is formed in ring-closing metathesis, subtract 2 from the number of
carbons in the reactant.
a.
c.
+
CH
2
CH
2
OCH
3
+
CH
2
CH
2
+
CH
2
CH
2
N
b.
24.
Solved in the text.
25.
a.c.
b.
O
26.
C C
C C
CH
3
C C
CH
3
CH
3
+
+
27.
a.
c.
CH
2
CH
2
CH
2
OH
b.
d.
e.
f.
O
28.
C
is the only one that can be used to form a Grignard reagent.
The Grignard reagent formed from
A
will be destroyed immediately by reacting with the proton of the
alcohol group.
The Grignard reagent formed from
B
will be destroyed immediately by reacting with the proton of the
carboxylic acid group.
The Grignard reagent formed from
D
will be destroyed immediately by reacting with the proton of the
amino group.
29.
+
Br
HC CCH CH
2 3