Enantiomeric 4-Acylamino-6-alkyloxy-2 Alkylthiopyrimidines As Potential A3Adenosine Receptor Antagonists : HPLC Chiral Resolution and Absolute Configuration Assignment by a Full Set of Chiroptical Spectroscopy
Articolo
Data di Pubblicazione:
2016
Citazione:
Enantiomeric 4-Acylamino-6-alkyloxy-2 Alkylthiopyrimidines As Potential A3Adenosine Receptor Antagonists : HPLC Chiral Resolution and Absolute Configuration Assignment by a Full Set of Chiroptical Spectroscopy / D. Rossi, R. Nasti, A. Marra, S. Meneghini, G. Mazzeo, G. Longhi, M. Memo, B. Cosimelli, G. Greco, E. Novellino, F. Da Settimo, C. Martini, S. Taliani, S. Abbate, S. Collina. - In: CHIRALITY. - ISSN 0899-0042. - 28:5(2016), pp. 434-440. [10.1002/chir.22599]
Abstract:
The chiral separation of enantiomeric couples of three potential A3 adenosine receptor antagonists: (R/S)-N-(6-(1-phenylethoxy)-2-(propylthio)pyrimidin-4-yl)acetamide (), (R/S)-N-(2-(1-phenylethylthio)-6-propoxypyrimidin-4-yl)acetamide (), and (R/S)-N-(2-(benzylthio)-6-sec-butoxypyrimidin-4-yl)acetamide () was achieved by high-performance liquid chromatography (HPLC). Three types of chiroptical spectroscopies, namely, optical rotatory dispersion (ORD), electronic circular dichroism (ECD), and vibrational circular dichroism (VCD), were applied to enantiomeric compounds. Through comparison with Density Functional Theory (DFT) calculations, encompassing extensive conformational analysis, full assignment of the absolute configuration (AC) for the three sets of compounds was obtained. Chirality 28:434-440, 2016.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
A3 adenosine receptor antagonists; Density Functional Theory (DFT); absolute configuration assignment; chiral HPLC; electronic circular dichroism (ECD); optical rotatory dispersion (ORD); vibrational circular dichroism (VCD)
Elenco autori:
D. Rossi, R. Nasti, A. Marra, S. Meneghini, G. Mazzeo, G. Longhi, M. Memo, B. Cosimelli, G. Greco, E. Novellino, F. Da Settimo, C. Martini, S. Taliani, S. Abbate, S. Collina
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