Synthetic nucleosides and nucleotides. XVI. Synthesis and biological evaluations of a series of 1-.BETA.-D-arabinofuranosylcytosine 5'-alkyl or arylphosphates.
作者:MINEO SANEYOSHI、MANAMI MOROZUMI、KENJIRO KODAMA、HARUHIKO MACHIDA、AKIRA KUNINAKA、HIROSHI YOSHINO
DOI:10.1248/cpb.28.2915
日期:——
Enzymatic selective dephosphorylation of 1-β-D-arabinofuranosylcytosine 3', 5'-diphosphate (1) with nuclease-3'-nucleotidase P1 at 60° for 24 hr gave 1-β-D-arabinofuranosylcytosine 5'-phosphate (Ara CMP) (2) in good yield. The acylation of both N4- and the 2', 3'-hydroxyl groups of 2 followed by coupling with various alcohols and phenols in the presence of 2, 4, 6-triisopropylbenzenesulfonyl chloride and subsequent alkaline hydrolysis afforded the title compounds (4). The resulting 32 kinds of Ara CMP alkyl or aryl esters were examined to determine their biological activities, such as antiviral activity against herpes simplex type 1 in cultured human embryonic lung fibroblast cells, growth inhibitory activity against mouse leukemic L5178Y cells in culture and antileukemic activity against L-1210 in mice. Ara CMP esters were active in these assay systems.
在60°下,使用核酸酶3'-核苷酸酶P1对1-β-D-阿拉伯呋喃糖基胞嘧啶3', 5'-二磷酸(1)进行酶选择性去磷酸化24小时,以良好产率得到了1-β-D-阿拉伯呋喃糖基胞嘧啶5'-磷酸(Ara CMP)(2)。随后对2的N4和2', 3'-羟基进行乙酰化,在2, 4, 6-三异丙基苯磺酰氯存在下与各种醇和酚偶联,并通过后续的碱性水解,合成了目标化合物(4)。对得到的32种Ara CMP烷基或芳基酯进行了生物活性测试,包括在培养的人胚胎肺成纤维细胞中对单纯疱疹1型病毒的抗病毒活性、在培养的鼠白血病L5178Y细胞中的生长抑制活性,以及在小鼠中对L-1210的抗白血病活性。这些测试系统显示Ara CMP酯具有活性。