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768 Chapter 23
Copyright © 2017 Pearson Education, Inc.
31.
The products of the reaction are shown below.
Ad CHT
Co(III)
+
+
H
2
O
T
CH CHT
3
C
O
The following mechanism explains the products:
Co(III)
AdCH
2
CH
3
C
C
OH
T
HO
T
T
Co(II)
CH
3
C
C
OH
T
HO
T
T
Co(II)
CH
3
C
C
OH
T
HO
T
•
•
AdCH
2
T
CH
3
C
C
OH
T
T
•
HO
Co(II)
AdCHT
H
CH
3
C
C
OH
T
H
T
HO
•
Co(II)
AdCHT
Co(III)
AdCHT
CH
3
C
O
T
H
T
+
H
2
O
AdCH
2
C
dehydration
If there is only a limited amount of coenzyme, the second H of the coenzyme can be replaced by T in a
subsequent round of catalysis, which means that the final product will be:
Ad CT
2
Co(III)
+
+
H
2
O T
CH
3
CHT
C
O