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  • 1
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Resolution, Crystal Structure, and Histamine-like Activity of 4-[1-(2-Aminoethylthio)ethyl]-5-methylimidazoleThe resolution of racemic 4-[1-(2-aminoethylthio)ethyl]-5-methylimidazole (1) using optically active Di-O-(P-toluoyl)tartaric acid as well as the histamine-like activity of the enantiomers are described. The crystal structure of (+)-1 · 2HCl · H2O has been determined and refined until R = 0.0483. Accordingly, (+)-1 is R configurated. Only (S)-(-)-1 possesses H1-agonistic activity.
    Notes: Es wird die Racemattrennung von 4-[1-(2-Aminoethylthio)ethyl]-5-methylimidazol (1) mittels optisch aktiver Di-O-(p-toluoyl)weinsäure sowie die histaminartige Wirksamkeit der Enantiomeren beschrieben. Von (+)-1 · 2HCl · H2O wurde die Kristallstruktur bestimmt und bis zu einem R-Wert von 0.0483 verfeinert. Danach ist (+)-1 R-konfiguriert. Von den beiden Enantiomeren besitzt nur (S)-(-)-1 H1-agonistische Aktivität.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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