## Abstract Sulfamethoxazole was labelled at positions 3, 5, and 4′ by H/D exchange in a mixture of 5% ^2^H~2~SO~4~ and 95% ^2^H~2~O (v/v) under reflux for 72h with good isotope incorporation and acceptable yield. Subsequently, [^2^H~3~]‐sulfamethoxazole‐__N__~1~‐glucuronide and [^2^H~3~]‐__N__~4~‐
Synthesis of [2H3]-dextromethorphan and its major urinary metabolites [2H3]-dextrorphan and [2H3]-dextrorphan-β-glucuronide
✍ Scribed by Georg Heinkele; Gerhard Schänzle; Thomas E. Mürdter
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- French
- Weight
- 77 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0022-2135
- DOI
- 10.1002/jlcr.640
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✦ Synopsis
Abstract
Starting from dextromethorphan, [^2^H~3~]‐dextrorphan‐β‐glucuronide was synthesized in four steps with [^2^H~3~]‐dextromethorphan and [^2^H~3~]‐dextrorphan as intermediates with an overall yield of 11%. Copyright © 2002 John Wiley & Sons, Ltd.
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