54
CI
I
9 H2
0=9 /H3
6~'"'
PROPACHLOR
H29-C=C-CH2-CI
o
I
o=c
I
6"
BARBAN
CI
I
9 H2
o=c
I
N
--- "9 H2 9 H2
CH
CH
II
II
CH 2 CH 2
CDAA
C ' 6 C '
C I V C I
CI
~
PCNB
~
Richard H. Shimabukuro et al.
glu-cys-gly
I
S
I
CH
I
o=c
I
N
--- ....
9H2 CfH 2
CH
CH
II
II
CH 2 CH2
glu -cys-gly
I
C' Ac'
C I ¥ C I
CI
Figure 2.26. Glutathione conjugation of propachlor, barban, CDAA, and PeNB in plants.