495 - 



C-CH, 



H2C 



H,C 



// O 



CH — C - H + CH3 — CO — CH3 = H2O + 



/ QV{ propanona 



p/ 3 



\CH, 



y 



CH 



(Uniet¡l-2-6-octanodieno-2-6-al-8 

 (citral) 



C - CH, 



HX 



+ 



H,C 



CH — CH = CH — CO - CH3 



c/CHa 

 \CH, 



H,C 



H,C 



CH 



dlmetil-2-6-undecanotrieno-2-6-8-ona-9 

 (pseudoionona) 



C-CH, 



CH - CH = CH - CO - CH, ' 



c/CHs 

 \CH3 



CH 



pseudoionona 



C~CH, 



H2C 

 H2C 



C - CH = CH - CO — CH3 



c/CHs 

 \CH3 



CH2 



metil-l-dimetíl-3-3-propenoníl-2-c¡cloexeno-l 

 (lonona) 



