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Phenelzine and pheniprazine were used as substrates for metabolic studies with Cunninghamella echinulata and Mycobacterium smegmatis. Metabolites were identified by means of gas-liquid chromatography and mass spectrometry. 1-Acetyl-2-(2-phenylethyl)-hydrazine and 1-acetyl-2-(1-methyl-2-phenylethyl)hydrazine were the major products of C. echinulata(More)
1-Acetyl-2-(2-phenylethyl)hydrazine (N2-acetylphenelzine) is identified as an acetylated metabolite of phenelzine in the rat. One hour after intraperitoneal administration of a high dose of phenelzine sulfate to rats, the blood and brain of the animals were extracted and analyzed by combined gas chromatography/electron impact mass spectrometry in the total(More)
Acyl derivatives of phenelzine were required for pharmacological evaluation. Eight mono- and di-acyl derivatives were synthesized and characterized by gas chromatography, mass spectrometry, nuclear magnetic resonance and infrared spectrophotometry. Selective acylation was observed with both acetic anhydride and ethyl chloroformate. In aqueous medium,(More)
Although N2-acetylphenelzine (N2AcPLZ) appears to be only a minor metabolite of phenelzine (PLZ), other investigations have demonstrated that it may be worthy of study as an antidepressant in its own right. In the present report, the possibility of ring hydroxylation as a metabolic route for PLZ was investigated in the rat. Indirect evidence for such a(More)
The metabolic generation of N2-acetylphenelzine by rats treated with phenelzine, and the activity of this metabolite as an inhibitor of monoamine oxidase enzymes in vivo were confirmed. The isomeric amide N1-acetylphenelzine was not a metabolic product of phenelzine and also did not inhibit monoamine oxidase enzymes. Levels of N2-acetylphenelzine in rat(More)
A quantitative electron-capture gas chromatographic assay procedure was developed for the analysis of monoalkylhydrazines in biological samples. Application to the analysis of phenelzine was demonstrated. Four monoalkylhydrazines were analyzed in whole blood by reaction with pentafluorobenzaldehyde to form stable hydrazone derivatives which were extracted(More)
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