Pathways for Activating Isotope Exchange of Dopamine with D2O
- Авторлар: Shevchenko V.P.1, Nagaev I.Y.1, Myasoedov N.F.1
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Мекемелер:
- National Research Centre Kurchatov Institute
- Шығарылым: Том 66, № 3 (2024)
- Беттер: 293-297
- Бөлім: Articles
- URL: https://transsyst.ru/0033-8311/article/view/681642
- DOI: https://doi.org/10.31857/S0033831124030119
- ID: 681642
Дәйексөз келтіру
Аннотация
Various methods of introducing deuterium into dopamine using isotope exchange are considered. The best result is achieved by isotope exchange with deuterated water at 190°C for 30 min using (a) trifluoroacetic acid as a catalyst and (b) 5% Pd/Al2O3 catalyst presaturated with deuterium gas. In the first case, the yield of deuterated dopamine was 65–70%, and the average deuterium content was 2.4–2.5 at./molecule. In the second case, the yield decreased to 35–40%, but the deuterium content increased to 3.50–3.60 at./molecule. The obtained result highlights the effectiveness of an integrated approach to introducing hydrogen isotopes into organic molecules, when activated hydrogen isotope species are formed on the catalyst and the substance deposited on it, which contribute to increasing the efficiency of isotope exchange with deuterated water when heated.
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Толық мәтін

Авторлар туралы
V. Shevchenko
National Research Centre Kurchatov Institute
Email: nagaev.img@yandex.ru
Ресей, pl. Kurchatova 2, Moscow, 123182
I. Nagaev
National Research Centre Kurchatov Institute
Хат алмасуға жауапты Автор.
Email: nagaev.img@yandex.ru
Ресей, pl. Kurchatova 2, Moscow, 123182
N. Myasoedov
National Research Centre Kurchatov Institute
Email: nagaev.img@yandex.ru
Ресей, pl. Kurchatova 2, Moscow, 123182
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