Growth inhibition and induction of cellular differentiation of human myeloid leukemia cells in culture by carbamoyl congeners of ribavirin
作者:Yogesh S. Sanghvi、Birendra K. Bhattacharya、Ganesh D. Kini、Steven S. Matsumoto、Steven B. Larson、Weldon B. Jolley、Roland K. Robins、Ganapathi R. Revankar
DOI:10.1021/jm00163a054
日期:1990.1
tetracyanoethylene (15) gave 5-amino-1-(2,3-O-isopropylidene-beta-D-ribofuranosyl)pyrazole-3,4- dicarbonitrile (17). Deisopropylidenation of 17, followed by oxidative hydrolysis of the reaction product (18), gave the 5-amino derivative of 3 (5). Stereospecific glycosylation of the sodium salt of preformed diethyl pyrrole-3,4-dicarboxylate (22) with 1-chloro-2,3-O-isopropylidene-5-O-(tert-butyldimethylsilyl)-alpha-D-
合成了一系列具有两个相邻氨基甲酰基的1,2,3-三唑(2),吡唑(3和5)和吡咯(4)核糖核苷,并评估了它们对HL-60的细胞生长抑制和诱导细胞分化的作用培养中的细胞。1,2,3-三唑-4,5-二羧酸二甲酯(6)和吡唑-3,4-二羧酸二乙酯(7)的TMS衍生物与1-O-乙酰基2,3,5-三-甘油的糖基化在TMS三氟甲磺酸酯存在下,O-苯甲酰基-D-呋喃核糖(8)分别主要产生β-核苷9和14。9和14的氨解分别提供了2-β-D-呋喃核糖基-1,2,3-三唑-4,5-二甲酰胺(2)和1-β-D-呋喃核糖基吡唑-3,4-二甲酰胺(3)。1-脱氧-1-肼基-2,3-O-异亚丙基-D-核糖(16)与四氰基乙烯(15)的立体选择环环化得到5-氨基-1-(2,3-O-异亚丙基-β-D-呋喃呋喃糖基)吡唑-3,4-二腈(17)。17的脱异丙基亚基化,然后反应产物(18)的氧化水解,得到3(5)的5-氨基衍生物。预先形成的3