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Original Articles

Identification of Two New “Designer” Amphetamines by NMR Techniques

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Pages 195-202 | Published online: 22 Nov 2013
 

ABSTRACT

Two new designer amphetamines (4-chloro-2, 5-dimethoxyamphetamine and 2, 5-dimethoxy-4-methylthioamphetamine) were identified by nuclear magnetic resonance (NMR) techniques. Nuclear Overhauser Effect (NOE) difference spectra provided all the necessary structural information to identify the unknowns. Lanthanide shift reagent (LSR) studies provided an alternate method to prove positional substitution for the structures.

RÉSUMÉ

Deux nouvelles amphétamines du type “designer” (4-chloro-2, 5-diméthoxyamphétamine et 2,5-diméthoxy-4-methylthioamphétamine) ont été identifiées à l'aide de techniques de résonance magnétique nucléaire. Toute l'information structurelle nécessaire à l'identification de ces inconnus a été obtenue à partir de spectres de différence utilisant l'effet nucléaire «Overhauser». Les études faites avec le réactif de conversion au lanthanide ont constitué une autre méthode pour prouver la substitution positionelle de ces structures.

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