71 
Table I 
Some Metabolic Reactions Common 
to Pesticides 
Pesticide which 
Pathway Schematic undergoes this 
reaction 
1. Oxidation 
! 
(a) Hydroxylation ray " 2,4-D 
OCH COOH > C CH;CooH 
(b) Side chain oxidation DDT 
<_ye 
OPO: 
ay Cl- Go 
(c) Ether cleavage 2,4-D 
CH;COoH — ach 
(d) Sulfoxide formation R-S~-CH3 ean Phorate 
8) 
N-(CH3) 9 A-(ciy) , | 
(e) N-oxide formation R-O-P ~ R-O-P Schraden 
~ 
“N-(CH3) 9 N-(CH3) 5 
