100 



TORREYA 



TABLE 1. Molecular Configuration and Comparati\t. AcTmiY of Naphthoxy and 



Naphthalene Compounds 



Substances 



Cell 

 elongation 



Modification of 

 tomato leaves 



-O— CH2COOH 



^ — Xaphthoxyacetic acid 



Active 



Active 



CH3 

 I 

 — O— CHCOOH 



a — (/3-Naphthoxy) propionic acid 



Active Slightly Active 



C2H5 

 —O— CHCOOH 



a — (^-Naphthoxy) -n -butyric acid 



Active 



Active 



— O— CH2COOH 



a — Xaphthoxyacetic acid 



— CHoCOOH 



Inactive Slightly Active 



Active 



Inactive 



a — Naphthaleneacetic acid 



-CH2COOH 



/3 — Naphthaleneacetic acid 

 CH3CHCOOH 



a — (a-Naphthalene) propionic acid 



Inactive 



Inactive 



Inactive 



Inactive 



