Publication details

New carbocyclic nucleosides: synthesis of carbocyclic pseudoisocytidine and its analogs

Authors

MAIER Lukáš HYLSE Ondřej NEČAS Marek TRBUŠEK Martin YTRE-ARNE Mari DALHUS Bjorn BJORAS Magnar PARUCH Kamil

Year of publication 2014
Type Article in Periodical
Magazine / Source Tetrahedron Letters
MU Faculty or unit

Faculty of Science

Citation
Doi http://dx.doi.org/10.1016/j.tetlet.2014.05.030
Field Organic chemistry
Keywords Nucleoside analogs; Pseudoisocytidine; Diastereoselective synthesis; Glycosylases; NEIL1
Description Cyclopentane-containing nucleoside analogs with a CAC connection between the (heterocyclic) base and the carbocyclic scaffold are quite rare. Herein, we report the synthesis of previously unknown racemic carbocyclic pseudoisocytidine and its analogs, which were prepared in 13 steps from commercially availavailable materials. Pseudoisocytidine and its sulfur analog were moderately active against the mantle celllymphoma cell line, JVM-3. We also prepared a versatile cyclopentanone intermediate, which can be converted into novel carbocyclic nucleosides via highly stereoselective addition of organometallic nucleophiles; the adduct with phenyllithium, the stereochemistry of which was unambiguously confirmed by X-ray crystallography, inhibits glycosylase NEIL1 in a dose-dependent manner.
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