Environmental Engineering Reference
In-Depth Information
e.
N-dealkylation
>NCH
3
>NCH
2
OH
>NH
f.
S-dealkylation
SR
SH
g.
Oxidative desulfuration
>P = O
>P = S
h.
Amine oxidation
NH
2
NHOH
NO
2
i.
Sulfoxidation
O
SR
S
R
O
2.
Hydrolysis
: Ester group in pesticides undergoes hydrolytic cleavage. Hydrolysis
occurs chemically or enzymatically as:
a.
Hydrolysis of ester
C
OR
COOH
O
b.
Hydrolysis of epoxides
>C
C<
>C
C<
O
OH OH
c.
Hydrolysis of amide
>C
NH
2
C
OH
O
O
d.
Hydrolysis of halogens
≡
C-Cl
→≡
C-OH
3.
Reductions
a.
Nitro group
-NO
2
→
-NH
2
b.
Ketonic group
>C=O
→
>CHOH
c.
Reductive dehalogenation
≡
C-Cl
→ ≡
C-H
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