Title: A Unique Example of Drug Metabolism: Tetra- and Penta-Oxygenation Reactions of Capravirine in Rats, Dogs and Humans
Volume: 1
Issue: 1
Author(s): Hai-Zhi Bu, William F. Pool, Ellen Y. Wu and Bhasker V. Shetty
Affiliation:
Keywords:
Capravirine, oxygenation, metabolism, structure elucidation, profiling, identification, biotransformation
Abstract: Six tetra- and two penta-oxygenated capravirine metabolites observed in rats, dogs and humans represent the maximum numbers of isomers that can be predicted since oxygenations are restricted at the pyridinyl nitrogen (Noxidation), sulfur (sulfoxidation), and isopropyl group (hydroxylation), exemplifying a unique case that is very unusual for sequential drug metabolism.