Synthesis and Biological Evaluation of 3,3-Difluoropyridine-2,4(1<i>H</i>,3<i>H</i>)-dione and 3-Deaza-3-fluorouracil Base and Nucleoside Derivatives
作者:Morris J. Robins、Hong Yang、Karl Miranda、Matt A. Peterson、Erik De Clercq、Jan Balzarini
DOI:10.1021/jm900203h
日期:2009.5.14
compounds. Selective reaction of a stabilized Wittig reagent at C4 of the 3,3-difluoro-2,4-dione intermediates gave exocyclic alkenes that underwent hydrogenation accompanied by spontaneous elimination of hydrogen fluoride. Ammonolysis of the exocyclic carbethoxymethyl substituent and ester protecting groups gave 4-(carboxamidomethyl)-3-deaza-3-fluorouridine and its analogues. Grignard additions at C4 of