2002
DOI: 10.1039/b109501c
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Synthesis of dicobalt hexacarbonyl 5-p-tolylethynyl-2′-deoxyuridineElectronic supplementary information (ESI) available: experimental section, NMR and mass spectra and cyclic voltammograms. See http://www.rsc.org/suppdata/cc/b1/b109501c/

Abstract: Reactions of 5-p-tolylethynyl-2'-deoxyuridine and 3',5'-di-O-acetyl-5-p-tolylethynyl-2'-deoxyuridine with Co2(CO)8 in THF gave 5-p-tolC2[CO2(CO)6]-2'-deoxyuridine and 3',5'-di-O-acetyl-5-p-tolC2[CO2(CO)6]-2'-deoxyuridine (92 and 66%).

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Cited by 25 publications
(27 citation statements)
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“…Preparation of 5-alkynyluridines was carried out from acyl-protected 5-iodouridines (1a,b) [8,63] and the appropriate terminal alkyne in the presence of catalytic amounts of Pd(PPh 3 ) 4 , copper(I) iodide, triethylamine, in DMF, and at room temperature -to avoid cycloisomerization to furopyrimidines (Scheme 1). The modified pyrimidine nucleoside scaffolds, propargyl acetate-substituted 2'-deoxyuridine (R = Ac, 2) and propargyl methyl ether-substituted uridine (R = Me, 3), were obtained in 87% and 61% yield, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…Preparation of 5-alkynyluridines was carried out from acyl-protected 5-iodouridines (1a,b) [8,63] and the appropriate terminal alkyne in the presence of catalytic amounts of Pd(PPh 3 ) 4 , copper(I) iodide, triethylamine, in DMF, and at room temperature -to avoid cycloisomerization to furopyrimidines (Scheme 1). The modified pyrimidine nucleoside scaffolds, propargyl acetate-substituted 2'-deoxyuridine (R = Ac, 2) and propargyl methyl ether-substituted uridine (R = Me, 3), were obtained in 87% and 61% yield, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…The reaction of alkynes with metal clusters274 will not be discussed in this review as η 2 interactions and π bonding predominate, but it should be noted that interesting chemistry, structures, and redox properties are exhibited by, for example, cobalt carbonyl,275279 osmium carbonyl280–284 and ruthenium carbonyl285287 complexes, as well as some mixed‐metal (Fe, Mo, W) species 288. 289…”
Section: Other Metal Alkynyl Complexesmentioning
confidence: 99%
“…Erwähnenswert sind in diesem Zusammenhang Chemie, Strukturen und Redoxeigenschaften von Cobaltcarbonylen, [275][276][277][278][279] Osmium- [280][281][282][283][284] und Rutheniumcarbonylen [285][286][287] und Heterometallclustern (Fe, Mo, W). Metall-Alkinyl-s-Komplexe Angewandte Chemie…”
Section: Alkinkomplexe Mit Metallclusternunclassified