46 



AROMATIC COMPOUNDS 



TABLE 1. SOME SIMPLE AROMATIC COMPOUNDS, 

 STRUCTURES AND OCCURRENCE 





"Kv Z'^^^" 



HO 



\ / 



-CO OH 



protocatechuic acid {Allium spp. ) gentisic acid (Theobroma cacao) 







II 



CH 



0-&LUCOSYL HO OH 



\ >(CH2)7CH=CH(CH2)5CH3 



salicin (bark of Salix spp. ) 



urushiol {Rhus spp. ) 



OCH 



OCH. 



\ / 



CH==CH 



kavain (Piper methysticum) 



4-methoxyparacotoin (Aniba duckei) 



CH.0 



3^A // 



OH 

 I 



CHoCH 



OCHo 

 I ^ 



OCH. 





 I 

 G-LYCOSYL 



CI 



CH CHg-^ 



OCH 



0" "0 



tracheloside (Trachelospermum asiaticum) 



