The eyntheeie of 2-chloro-10-(3'-dimethylaminopropyl)phenothiazine-3', 3'-d2 (Chlorpromazine-d2) and ite four major metabolitee (the mono-and didemethylated aminee, chlorpromazine sulfoxide, and chlorpromazine N-oxide), all containing the 3',3'-d2 label in > 95% ieotopic purity, ie deecribed. Consid
Synthesis of deuterium-labeled acrivastine and an acrivastine metabolite
โ Scribed by J. B. Thompson; K. W. Blake; R. W. McNutt
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- French
- Weight
- 405 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0022-2135
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โฆ Synopsis
Abstract
The antihistamine acrivastine and a metabolite dihydroacrivastine were prepared as their [^2^H~7~]โcongeners from [^2^H~8~]โtolualdehyde for use as internal standards in gas chromatography/mass spectroscopy of biological samples.
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Starting from 2,5,6-trideuter0-3,4-dihydroxyphenylethylamine, a mixture of 4,7-dideutero-5,6-dihydroxyindole, 4,7-dideutero-5-hydroxy--6-trideuteromethoxyindole and 4,7-dideutero-6-hydroxy-5-trideuteromethoxyindole was prepared. A similar procedure for the preparation of 4,7--dideutero-5,6-dihydroxy
## Abstract This paper describes the synthesis of deuteriumโlabelled paclitaxel and its hydroxyl metabolite. Paclitaxel labelled with ^2^H was obtained in four steps using the commercially available [^2^H~5~]benzoic chloride as the stable labelled reagent with a 40% overall yield. The hydroxyl meta