. . . . . "Hocek, Michal" . "A series of novel sugar-modified derivatives of cytostatic 6-hetaryl-7-deazapurine ribonucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides bearing an alkyl, aryl and hetaryl group in position 6 were prepared by palladium catalyzed cross-coupling reactions of corresponding 6-chloro-(7-fluoro)-7-deazapurine nucleosides with (het)arylboronic, hetarylstannanes and trimethylaluminium. Key intermediate 6-chloro-7-deazapurine 2'-C-methyl-beta-D-ribofuranoside was prepared via a stereoselective nucleobase anion glycosylation with toluoyl protected 1,2-anhydro-2-C-methylribofuranose. The 6-chloro-7-deazapurine arabinofuranoside intermediate was obtained by epimerization from 3',5'-protected 6-chloro-7-deazapurine ribofuranoside via 2-hydroxyl oxidation followed by reduction. None of the prepared compounds showed any considerable cytostatic or antiviral activity." . . . . "Collection of Czechoslovak Chemical Communications" . "A series of novel sugar-modified derivatives of cytostatic 6-hetaryl-7-deazapurine ribonucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides bearing an alkyl, aryl and hetaryl group in position 6 were prepared by palladium catalyzed cross-coupling reactions of corresponding 6-chloro-(7-fluoro)-7-deazapurine nucleosides with (het)arylboronic, hetarylstannanes and trimethylaluminium. Key intermediate 6-chloro-7-deazapurine 2'-C-methyl-beta-D-ribofuranoside was prepared via a stereoselective nucleobase anion glycosylation with toluoyl protected 1,2-anhydro-2-C-methylribofuranose. The 6-chloro-7-deazapurine arabinofuranoside intermediate was obtained by epimerization from 3',5'-protected 6-chloro-7-deazapurine ribofuranoside via 2-hydroxyl oxidation followed by reduction. None of the prepared compounds showed any considerable cytostatic or antiviral activity."@en . . "76" . . "233353" . . "4"^^ . . "Perl\u00EDkov\u00E1, Pavla" . . . "4"^^ . . "Z(AV0Z40550506)" . . "RIV/61388963:_____/11:00361463" . "Nau\u0161, Petr" . . . "10.1135/cccc2011082" . "CZ - \u010Cesk\u00E1 republika" . "0010-0765" . "Sugar-modified derivatives of cytostatic 6-(het)aryl-7-deazapurine nucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides"@en . "[60EC974684E0]" . "RIV/61388963:_____/11:00361463!RIV12-AV0-61388963" . . . "31"^^ . "8" . "Sugar-modified derivatives of cytostatic 6-(het)aryl-7-deazapurine nucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides" . "Pohl, Radek" . "Sugar-modified derivatives of cytostatic 6-(het)aryl-7-deazapurine nucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides"@en . "000298002900003" . "nucleosides; cross-coupling; antitumor agents; purines; 7-deazapurines; 7H-Pyrrolo[2,3d]pyrimidine; cytostatic agents"@en . . . . . "Sugar-modified derivatives of cytostatic 6-(het)aryl-7-deazapurine nucleosides: 2'-C-methylribonucleosides, arabinonucleosides and 2'-deoxy-2'-fluoroarabinonucleosides" .