http://www.cnr.it/ontology/cnr/individuo/prodotto/ID19823
Chiral HPLC Separation and Absolute Configuration of Novel S-DABO Derivatives (Articolo in rivista)
- Type
- Label
- Chiral HPLC Separation and Absolute Configuration of Novel S-DABO Derivatives (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cirilli R. Ferretti R. La Torre F. Borioni A. Fares V. Camalli M. Faggi C. Rotili D. Mai A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- HPLC chiral stationary phase Chiralpak IA absolute configuration chiroptical properties antiviral agents pyrimidinone derivatives S-DABO derivatives (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Cirilli R., Ferretti R., La Torre F., Borioni A. - ISS, Roma
Fares V., Camalli M. - IC-CNR
Faggi C. - Università di Firenze
Rotili D., Mai A. - Università di Roma (literal)
- Titolo
- Chiral HPLC Separation and Absolute Configuration of Novel S-DABO Derivatives (literal)
- Abstract
- Chiral 2-(sec-butylthio)-6-[1-(2,6-dichlorophenyl)propyl]-5-methylpyrimidin-4(3H)-one (compound 1) was synthesized to serve as a model compound for structural elucidation of novel S-DABO (dihydroalkoxybenzyloxopyrimidine) derivatives endowed with potential HIV-1 reverse transcriptase inhibitory activity. Stereochemical characterization of four stereoisomers of 1 was achieved by an experimental approach based on the following steps: (a) direct HPLC enantio- and diastereoseparation at semipreparative scale; (b) determination of elution order of stereomeric mixture by using chiroptical detection (polarimeter or circular dichroism (CD)); (c) X-ray crystallography of two diastereoisomers isolated at semipreparative scale. The CD analysis of 1 and its two analogues (compounds 2 and 3), both having a single stereogenic center located in two different alkyl side chains of the dihydropyrimidinone structure, was carried out. The results of this study indicated a correlation between the absolute configuration at C-1 of alkyl side chain of the dihydropyrimidinone structure and the sign of the CD band at around 245 nm. (literal)
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