Satish G Puppali

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Cyclic five- and six-membered tertiary allylamines constitute a unique class of monoamine oxidase substrates that undergo a net two-electron alpha-carbon oxidation to form the cyclic, conjugated eniminium metabolites. The corresponding saturated pyrrolidinyl and piperidinyl systems are not substrates for this flavoenzyme system. In an attempt to evaluate(More)
The metabolism of arylhydrazines by cytochromes P450 (P450s) has previously been shown to yield aryl-iron complexes that inhibit P450 enzymes as a result of heme modification. These modifications of the heme have been used to probe the topology of the active site of several P450s. Therefore, diaziridines containing one or more substitutions on the phenyl(More)
It has been demonstrated previously that several 3-trifluoromethyl-3-(4-alkoxyphenyl)diaziridines inhibit the 7-ethoxy-4-(trifluoroethyl)coumarin (7-EFC) O-deethylation activity of P450 2B6 in a mechanism-based manner. In contrast, 3-trifluoromethyl-3-(4-methylthio)phenyl)diaziridine did not have any effect on the activity of P450 2B6. It is interesting(More)
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