The new deoxycytidine (dC) analogue phosphoramidites 1-3 were synthesized, which bear an ethylenediaminetetraacetic acid triethyl ester [EDTA(OEt)(3)] attached to the exocyclic amino group through either a cyclic-C-6, a C-2, or a linear-C-6 tether. By this way, the chelating base dC-EDTA can be inserted, by automatic synthesis, in a site-specific manner into oligodeoxynucleotides (ODNs), in place of any dC along the sequence, and can be thus exploited, for example, for footprinting experiments. Furthermore, the analogue phosphoramidite 4, bearing a diethylenetriaminepentaacetic acid tetraethyl ester [DTPA(OEt)(4)] attached through the cyclic-C-6 tether was also prepared. The possibility of insertion of 1-4 into ODNs was verified.
Synthesis of Metal-Chelating Deoxycytidine-Analogue Phosphoramidites for the Automatic Synthesis of Labelled Oligonucleotides / Giordano, C; Del Bianco, C; Faini, S; Napoli, Anna Maria Carmela Natale V; Sindona, Giovanni; Cellai, L.. - In: SYNTHESIS. - ISSN 0039-7881. - 11:11(2004), pp. 1835-1843.
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Titolo: | Synthesis of Metal-Chelating Deoxycytidine-Analogue Phosphoramidites for the Automatic Synthesis of Labelled Oligonucleotides |
Autori: | |
Data di pubblicazione: | 2004 |
Rivista: | |
Citazione: | Synthesis of Metal-Chelating Deoxycytidine-Analogue Phosphoramidites for the Automatic Synthesis of Labelled Oligonucleotides / Giordano, C; Del Bianco, C; Faini, S; Napoli, Anna Maria Carmela Natale V; Sindona, Giovanni; Cellai, L.. - In: SYNTHESIS. - ISSN 0039-7881. - 11:11(2004), pp. 1835-1843. |
Handle: | http://hdl.handle.net/20.500.11770/128546 |
Appare nelle tipologie: | 1.1 Articolo in rivista |