2. Dehydrogenation and dehydrohalogenation 
3. Reduction 
4, Conjugation 
(a) Amide formation 
(b) Metal complex 
(c) Glucoside or Glucuronic acid 
(d) Sulfate 
5. Hydrolytic Reactions 
(a) Cleavage of esters 
(b) Cleavage of amides 
6. Exchange Reactions 
7. Isomerization 
Table I indicates the character of each of these reactions and 
gives illustrative examples of substances known to undergo each of the 
biotransformations indicated. 
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