A divergent synthesis of two novel tiazofurin analogues, 2-(3-deoxy-3-fluoro-beta-D-xylofuranosyl)thiazole-4-carboxamide (2) and 2-(3-acetamido-3-deoxy-beta-D-xylofuranosyl)thiazole-4-carboxamide (3), has been achieved starting from D-glucose. Both nucleoside analogues were evaluated for their in vitro cytotoxicity against several human leukaemia and solid tumour cell lines.
Two novel tiazofurin analogues, 2-(2-benzamido-2-deoxy-β-d-ribofuranosyl)thiazole-4-carboxamide 4 and 2-(2-azido-2-deoxy-β-d-ribofuranosyl)thiazole-4-carboxamide 5, have been synthesized starting from d-glucose and evaluated for their in vitro cytotoxicity against several human leukaemia and solid tumour cell lines.
This paper describes a divergent de novo synthesis of 2-(2,3-anhydro-beta-D-ribofuranosyl)thiazole-4-carboxamide (2',3'-anhydro-tiazofurin) and the corresponding alpha- and beta-homo-C-nucleosides. The synthetic approach was based on a multistep transformation of D-glucose into suitably protected aldonthioamides followed by their subsequent cyclocondensation with ethyl bromopyruvate to form the thiazole ring. Antiproliferative activity of the target molecules is reported against several human tumour cell lines. (C) 2009 Elsevier Ltd. All rights reserved
Synthesis and antitumour activity of new tiazofurin analogues bearing a 2,3-anhydro functionality in the furanose ring
This paper describes a divergent de novo synthesis of 2-(2,3-anhydro-P-Dribofuranosyl)thiazole-4-carboxamide (2',3'anhydro-tiazofurin) and the corresponding alpha- and beta-homo-C-nucleosides, as well as evaluation of their antitumour activities in vitro. (c) 2007 Elsevier Ltd. All rights reserved.