3-methylxanthine
National Institutes of Health
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SummaryDose Dependency for pharmacokinetics of theophylline and the formation of its major metabolites, 3-methylxanthine (3-MX…
A HPLC-method for rapid, simultaneous and specific determination of proxyphylline, theophylline, glyphylline, theobromine…
Inhibition of cAMP and cGMP hydrolysis in human lung tissue by proxyphylline and its main metabolite 1-methyl-7-(beta…
Human cytochrome CYP2A13 shows overlapping substrate specificity with CYP2A6, catalyzing the metabolism of coumarin, nicotine…
Caffeine (CAF), a methyl-substituted xanthine, interacts with polyaromatic DNA intercalators and has been hypothesized to…
Controlled adsorptive accumulation of copper complexed with 3-methylxanthine (3MXan) and 7-methylxanthine (7MXan) on a hanging…
Our earlier experiments [ 1 3 ] showed that nitrogencontaining heteroannelated xanthines possess a wide spectrum of…
A sensitive liquid-chromatographic method was developed for the simultaneous measurement of theophylline and caffeine within 6…
Bovine serum albumin conjugate of 1-methyl-3-(3'-carboxypropyl)xanthine elicits highly specific anti-theophylline antibodies when…
The first synthesis of 3-methylisoguanine is reported. Methylation of 4,6-diamino-2-hydroxypyrimidine (I) at pH 11·6 gave the 1…