48 PHYSIOLOGY OF BACTERIA 



lib. CH3C + H— CCHO = 



Acet aldehyde 



ch3c + h— c-cho = ch3-choh-ch2cho = 

 \h h/ 



.OH 



ch3-choh-ch2-c— oh = 

 \h 



^OH 

 CH3-CHOH-CH2-C— 0— H = CH3-CH2-CH2-COOH 



\ Butyric acid 



\H 



lie. CH3-C + H— CCOOH = 



\0H 



cetic acid 



CH3-C + H— CCOOH = CH3-CO-CH2-COOH = 



\0H H^ 



CH3-CO-CH2-C = CH3-CO-CH3 + CO2 



\ Acetone 



\0— H 



III. DEHYDROGENATIONS 



Ilia. HCOOH = HCOOH = CO2 + 2H 



^OH ^OH 



Illb. CH3CHO = CHs-C— OH = CHg-CO— H = 



Acet aldehyde Hydrate \ \ 



\H \H 



\0H U^ 



Acetic acid Acetic acid 



