Proton dynamics in solid dopamine and noradrenaline hydrochloride

Proton dynamics in solid dopamine and noradrenaline hydrochloride

Proton spin-lattice relaxation times ( T 1) have been measured as a function of temperature for the following catecholamines: dopamine hydrochloride and adrenaline hydrochloride. For both substances a single symmetric minimum of T 1 is observed which can be explained as a result of NH 3 (dopamine) a...

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Veröffentlicht in:Solid state nuclear magnetic resonance 1994-09, Vol.3 (5), p.299-302
Hauptverfasser: Grabias, Tomasz, Piślewski, Narcyz
Format: Artikel
Sprache:eng
Schlagworte:
Catecholamines
CH 3 reorientation
Dopamine
Dopamine - chemistry
Magnetic Resonance Spectroscopy
NH 3 reorientation
Noradrenaline
Norepinephrine - chemistry
Relaxation time
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Zusammenfassung:Proton spin-lattice relaxation times ( T 1) have been measured as a function of temperature for the following catecholamines: dopamine hydrochloride and adrenaline hydrochloride. For both substances a single symmetric minimum of T 1 is observed which can be explained as a result of NH 3 (dopamine) and CH 3 (adrenaline) reorientation around the three-fold axis of the CN bone. The activation parameters have been determined.
ISSN:0926-2040
1527-3326
DOI:10.1016/0926-2040(94)90006-X