Urinary Excretion Profiles of 2,5-Dimethoxy-4-alkylthiophenethylamine Analogs in Rats.
Biological & pharmaceutical bulletin – January 01, 2016
Source: PubMed
Summary
Even subtle changes in chemical structure can significantly alter how the body processes substances. Researchers investigated how rats metabolize three related compounds after oral administration. Through advanced analysis of urine samples, they successfully identified the primary breakdown products for each. Notably, every compound exhibited a distinct metabolic pathway, with one forming a unique β-hydroxylated metabolite, while the others yielded different N-acetylated-sulfoxide variations. This work provides crucial insights into how minor structural differences drive varied excretion profiles.
Abstract
The urinary metabolic profiles of three hallucinogenic 2,5-dimethoxy-4-alkylthiophenethylamine analogs: 2,5-dimethoxy-4-ethylthiophenethylamine (2C-T-2), 2,5-dimethoxy-4-isopropylthiophenethylamine (2C-T-4), and 2,5-dimethoxy-4-propylthiophenethylamine (2C-T-7), were investigated in rats. For each drug, four male Sprague-Dawley rats were orally administered 10 mg/kg of 2C-T-2, 2C-T-4, or 2C-T-7, and urine was collected 0-24 and 24-48 h after administration. The urine samples were processed by liquid-liquid extraction, and the extracts were analyzed by liquid chromatography/mass spectrometry to quantify the metabolites. The metabolic patterns of these drugs were different: for 2C-T-7, the principal metabolite was the β-hydroxylated-N-acetylated-sulfoxide, whereas for 2C-T-2 and 2C-T-4 the major metabolites were the N-acetylated-sulfoxide and S-methylated-N-acetylated-sulfoxide, respectively.