CHzCOOH 

 



CI 



+ 



V 



CHgCOOH 

 



CI 

 





CI 



COOH 



M 



CI 

 



CI 



COOH 



CI 



IZ 



V 



ci 



+ 



2,4-Dichloro- 2,6-Dichloro- 



phenoxyacetic acid phenoxyacefic acid 



CH2COOH 



CI 



+ 



CI 



V 



CHgCGOH 

 CI 



m + 



V 



CI 



2,4-Dichloro- 2,6-Dichloro- 



phenylacefic acid phenylacefic acid 



CH2COOH 



2,4-Dichloro- 

 benzoic acid 



COOH 



HjC 





CH3 



+ 



2,6-Dimethyl- 

 benzoic acid 



CH2P(0)(H)0H 



2,6-Dichloro- 

 benzoic acid 



COOH 



H,C 



"pm 



CH3 



+ 

 CI 



3-Chloro- 

 2,6-Dimethyl- 

 benzoic acid 



XL 



CH2COOH 



+ 



\An/ 



l-Naphtholeneocetic 

 acid 



l-Naphthylmethyl- 

 phosphonous acid 



lndole-3-acefic ocid 



CH2 — C NH 



xn 



H 



N N 



COOH 



xm 



5-{3 IndolemethyDfetrozole 



l-Naphthoic acid 



COOH 

 H 



xnr 



H 



COOH 



xz 



Hg 



1, 4-Dihydro-l -naphthoic acid 



1,2,3,4-Tetrohydro-l -naphthoic ocid 



Fig. I. Structural formulae and ;uii\itv of auxins and related compounds. 



