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844 Chapter 27
Copyright © 2017 Pearson Education, Inc.
b.
The carboxyl substituent is in position to remove a proton from water, making water a better nucleophile.
CH
2
CHCH
2
CH
CH
3
C C
CH
2
CHCH
2
CH
C
O
O
NO
2
NO
2
O
O
O O O
H
H
−
CH
3
COO
−
45.
Hydrolysis converts the ester substituents into alcohol substituents, which can react with ethylene oxide
to graft a polymer of ethylene oxide onto the backbone of the alternating copolymer of styrene and vinyl
acetate.
CH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
O
O
O
C
CH
3
O
C
CH
3
O
C
CH
3
O
CH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
OH
OH
OH
CH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
CHCH
2
O
O
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
CH
2
CH
2
O
HCl H
2
O
ethylene oxide