Quantitative structure-activity relationships (QSARs) of pyrimidine nucleosides as HIV-1 antiviral agents.
Identifieur interne : 006613 ( Main/Curation ); précédent : 006612; suivant : 006614Quantitative structure-activity relationships (QSARs) of pyrimidine nucleosides as HIV-1 antiviral agents.
Auteurs : M. MahmoudianSource :
- Pharmaceutical research [ 0724-8741 ] ; 1991.
Descripteurs français
- KwdFr :
- MESH :
- pharmacologie : Antiviraux, Nucléosides pyrimidiques.
- synthèse chimique : Antiviraux, Nucléosides pyrimidiques.
- Nucléosides pyrimidiques, Relation structure-activité, VIH-1 (Virus de l'Immunodéficience Humaine de type 1).
English descriptors
- KwdEn :
- MESH :
- chemical , chemical synthesis : Antiviral Agents, Pyrimidine Nucleosides.
- chemical , chemistry : Pyrimidine Nucleosides.
- chemical , pharmacology : Antiviral Agents, Pyrimidine Nucleosides.
- drug effects : HIV-1.
- Structure-Activity Relationship.
Abstract
The structural requirements for the antiviral activity of pyrimidine nucleosides against HIV-1 virus was evaluated with the Hansch SAR analysis. Antiviral activity is best related to the hydrophobicity and steric (L and B3) properties of the substituent at the C5 of pyrimidine ring. Further, the antiviral activity is related to B4 of the substituent at position 3' of the sugar ring with a positive slope. The activity of both uracil and cytosine derivatives can be related to their structure by the same equations, which indicates that the SARs are similar in these two groups of congeners. These results suggest that compounds with a small substituent at the 5 position of the pyrimidine ring and a flat substituent at the 3' position of the sugar ring will be the most active compounds against HIV-1 virus.
DOI: 10.1023/a:1015822105022
PubMed: 2014207
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M. Mahmoudian<affiliation><nlm:affiliation>Department of Pharmacology, University of Medical Sciences of Iran Firoozgar Institute, Tehran.</nlm:affiliation><wicri:noCountry code="subField">Tehran</wicri:noCountry></affiliation>Le document en format XML
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Antiviral activity is best related to the hydrophobicity and steric (L and B3) properties of the substituent at the C5 of pyrimidine ring. Further, the antiviral activity is related to B4 of the substituent at position 3' of the sugar ring with a positive slope. The activity of both uracil and cytosine derivatives can be related to their structure by the same equations, which indicates that the SARs are similar in these two groups of congeners. These results suggest that compounds with a small substituent at the 5 position of the pyrimidine ring and a flat substituent at the 3' position of the sugar ring will be the most active compounds against HIV-1 virus.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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