Examples of recently studied reactions are : Acid-base, hydration-dehydration and tautomeric equilibria involving 1, 3, 5-and 1, 2, 4-triazines, selenous acid and mytomicin C, reactions of bile acids, cholesterol, and other sterols in strongly acidic media, additions of nucleophiles, such as glutathione, to nitrosobenzene, etc . Most of these studies involve biologically important compounds and their investigations are essential both for development of analytical methods and for their contribution to a better understanding of biological activity.
