Evaluation of the kinetics of hydrolysis of diamln0 analogues of 2'- or 3'-deoxyadenosine and of 9-(2-deoxy-,b-d¬threo~pe tofuranosyl)adenine or 9-(3-deoxy-,b-d-threo¬pentofuranosyl)adenine by liquid chromatography
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Date
1999Author
Thoithi, G.
Schepdael, A. Van
Vinckier, C.
Herdewijn, P.
Roets, E.
Hoogmartens, J.
Type
ArticleLanguage
enMetadata
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The degradation of diamino analogues of Z' - or 3' -deoxyadenosine and of 9-(2-deoxy-,B-D-threo-pentofuranosyl)adenine or 9-(3-deoxy-,B-D-threo-pentofuranosyl)adenine in buffers of acid, neutral and alkaline pH and constant ionic strength was followed by liquid chromatography. The rate of hydrolysis at acid pH was found to be related to the position and configuration of the amino group on the sugar moiety. The compounds under study were found to be more stable than corresponding monoaminated nucleosides, which have been reported to be more stable than the hydroxyl nucleosides. Liquid chromatographic analyses indicate that acid hydrolysis involves cleavage of the N-glycosyl bond as the major degradative process, together with another minor process. pH-rate profiles, activation parameters and deuterium isotope solvent effects are discussed
Citation
Nucleosides & nucleotides, 18(8), 1863-1877 (\999)Publisher
Department of Pharmaceuucal Chemistry, faculty of Pharmacy, University of Nairobi Laboratorium voor Medicinale Chernie, Rega Instituut, Minderbroedersstraat • Laboratorium voor Farmaceutische Chemie en Analyse van Geneesmiddelen, Faculteit Fannaceutische Wetenschappen,
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- Faculty of Health Sciences (FHS) [10377]