The combined chemical and enzymatic methods of synthesis of five isotopomers of l-tyrosine, l-Tyr, and their derivatives, i.e. corresponding isotopomers of tyramine (TA), labeled with deuterium and tritium have been reported. Two-step synthesis consists with introduction of deuterium or tritium labe
Synthesis of isotopomers of dopamine labeled with deuterium or tritium
✍ Scribed by M. Pająk; M. Kańska
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- French
- Weight
- 127 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-2135
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✦ Synopsis
Abstract
The synthesis of four isotopomers of dopamine labeled with deuterium or tritium is reported. The ring labeled [2′,5′,6′‐^2^H~3~]‐, and [2′,5′,6′‐^3^H~3~]‐dopamine were obtained using acid catalyzed isotopic exchange between dopamine and heavy or tritiated water respectively. Two selectively labeled isotopomers, i.e. [1R‐^2^H]‐, and [1R‐^3^H]‐dopamine were synthesized by enzymatic decarboxylation of L‐DOPA using the enzyme tyrosine decarboxylase (EC 4.1.1.25) from Streptococcus faecalis. Copyright © 2006 John Wiley & Sons, Ltd.
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