93080-09-2Relevant academic research and scientific papers
Chemical synthesis of 4′-thio and 4′-sulfinyl pyrimidine nucleoside analogues
Guinan, Mieke,Hawes, Chris S.,Huang, Ningwu,Lima, Marcelo A.,Miller, Gavin J.,Smith, Mark
supporting information, p. 1401 - 1406 (2022/02/25)
Analogues of the canonical nucleosides required for nucleic acid synthesis have a longstanding presence and proven capability within antiviral and anticancer research. 4′-Thionucleosides, that incorporate bioisosteric replacement of furanose oxygen with sulfur, represent an important chemotype within this field. Established herein is synthetic capability towards a common 4-thioribose building block that enables access to thio-ribo and thio-arabino pyrimidine nucleosides, alongside their 4′-sulfinyl derivatives. In addition, this building block methodology is templated to deliver 4′-thio and 4′-sulfinyl analogues of the established anticancer drug gemcitabine. Cytotoxic capability of these new analogues is evaluated against human pancreatic cancer and human primary glioblastoma cell lines, with observed activities ranging from low μM to >200 μM; explanation for this reduced activity, compared to established nucleoside analogues, is yet unclear. Access to these chemotypes, with thiohemiaminal linkages, will enable a wider exploration of purine and triphosphate analogues and the application of such materials for potential resistance towards relevant hydrolytic enzymes within nucleic acid biochemistries.
SYNTHETIC INTERMEDIATE OF 1-(2-DEOXY-2-FLUORO-4-THIO-?-D-ARABINOFURANOSYL)CYTOSINE, SYNTHETIC INTERMEDIATE OF THIONUCLEOSIDE, AND METHOD FOR PRODUCING THE SAME
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Paragraph 1634-1636, (2015/06/10)
A compound represented by a formula [1D] as shown below (wherein R1A, R1B, R2A, R2B, R3A and R3B represent a hydrogen atom, an optionally substituted C1-6 alkyl group, and the li
A practical synthesis of 4′-thioribonucleosides
Yoshimura, Yuichi,Kuze, Tetsuya,Ueno, Mari,Komiya, Fumiko,Haraguchi, Kazuhiro,Tanaka, Hiromichi,Kano, Fumitaka,Yamada, Kohei,Asami, Kazuhiro,Kaneko, Nobuaki,Takahata, Hiroki
, p. 591 - 594 (2007/10/03)
A practical synthesis of 4′-thioribonucleosides starting from inexpensive l-arabinose is described. 1,4-Anhydro-2,3-O-isopropylidene-4- thioribitol, which was prepared by using a novel reductive ring-contraction reaction, was converted to the 5-O-silylated sulfoxides. The Pummerer-type thioglycosylation of the sulfoxides gave the 4′-thioribonucleosides stereoselectively.
4’-THIONUCLEOSIDES AND OLIGOMERIC COMPOUNDS
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Page/Page column 76-77, (2008/06/13)
The present invention provides modified oligomeric compounds and compositions of oligomeric compounds for use in the RNA interference pathway of gene modulation. The modified oligomeric compounds include siRNA and asRNA having at least one affinity modification.
The stereoselective synthesis of 4'-β-thioribonucleosides via the pummerer reaction
Naka, Takashi,Minakawa, Noriaki,Abe, Hiroshi,Kaga, Daisuke,Matsuda, Akira
, p. 7233 - 7243 (2007/10/03)
An efficient stereoselective synthesis of 4'-β-thioribonucleosides 14, 15, 27, and 30 using the Pummerer reaction as the key step is described. The Pummerer reaction of 1,4-anhydro-2-O-(2,4-dimethoxybenzoyl)-3,5-O-(1,1,3,3-tetraisopro pyldisiloxane-1,3-di
A new synthesis of some 4'-thio-D-ribonucleosides and preliminary enzymatic evaluation
Leydier,Bellon,Barascut,Deydier,Maury,Pelicano,Abdelaziz El Alaoui,Imbach
, p. 2035 - 2050 (2007/10/02)
A new synthesis of 4'-thioribonucleosides is presented together with the enzymatic evaluation of the adenosine analogues with respect to adenosine kinase. The 4-thio-D-ribofuranosyl carbohydrate precursor 7 was obtained in good yield from D-ribose and fur
