2014
DOI: 10.3762/bjoc.10.198
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Synthesis of a bifunctional cytidine derivative and its conjugation to RNA for in vitro selection of a cytidine deaminase ribozyme

Abstract: SummaryOver the past 20 years, the generation of functional RNAs by in vitro selection has become a standard technique. Apart from aptamers for simple binding of defined ligands, also RNAs for catalysis of chemical reactions have been selected. In the latter case, a key step often is the conjugation of one of the two reactants to the library, requiring suitable strategies for terminal or internal RNA functionalization. With the aim of selecting a ribozyme for deamination of cytidine, we have set up a selection… Show more

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Cited by 2 publications
(2 citation statements)
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“…30 In our hands, this procedure works very well, and we have prepared a number of RNAs modified with fluorescence dyes or with flavine derivatives. 31 Circularization strategies by 5 0 -3 0 -end joining In general, the preparation of circRNAs from linear precursors is very challenging, due to the negative entropy associated with the circularization step. The most significant side reaction is intramolecular bond forming leading to oligomerization of the linear precursor instead of circularization.…”
Section: Chain Assemblymentioning
confidence: 99%
“…30 In our hands, this procedure works very well, and we have prepared a number of RNAs modified with fluorescence dyes or with flavine derivatives. 31 Circularization strategies by 5 0 -3 0 -end joining In general, the preparation of circRNAs from linear precursors is very challenging, due to the negative entropy associated with the circularization step. The most significant side reaction is intramolecular bond forming leading to oligomerization of the linear precursor instead of circularization.…”
Section: Chain Assemblymentioning
confidence: 99%
“…Generell wurden die Hydroxygruppen der Ribose zunächst mit TBDMS geschützt. Im nächsten Schritt wurde die Carbonylfunktion an Position O 4 mit 1,2,4-Triazol in Anlehnung an Arbeiten von Rublack et al [387] in Gegenwart von Phosphorylchlorid (POCl3) und Triethylamin (Et3N) aktiviert. Verbindung 37 konnte mit einer Ausbeute von 98% isoliert werden.…”
Section: Die Zugrunde Liegende Methode Und Kollaborative Arbeitenunclassified