Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole, is researched, Molecular C17H19N3O2S, CAS is 73590-85-9, about Oxygen dependence of omeprazole clearance and sulfone and sulfide metabolite formation in the isolated perfused rat liver.Safety of 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]thio]benzimidazole.
This study, in the isolated perfused rat liver, examined the O dependence of the hepatic elimination of omeprazole, a drug which undergoes extensive oxidative metabolism in the rat. The relationship between hepatic O supply and the production of omeprazole’s oxidative sulfone and reductive sulfide metabolites was also examined Rat livers were perfused with a perfusate containing 5 μg omeprazole/mL in a single-pass design. Omeprazole clearance and the formation clearance of the 2 metabolites were measured in each liver during normal oxygenation, at different levels of hypoxia and after reoxygenation. There was a linear relationship between omeprazole clearance and O delivery over the whole range studied. Production of the sulfone was similarly O-dependent whereas the sulfide was detectable only after a significant reduction in oxygenation. In further experiments the O dependence of omeprazole clearance was not altered when the concentration of drug was lowered to 1 μg/mL. This study shows that O delivery is a critical determinant of the rate of oxidative drug metabolism in the isolated liver and supports the contention that reductions in hepatic O supply may alter the hepatic disposition of oxidatively metabolized drugs in vivo.
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Ether | (C2H5)2O – PubChem