A Combination Chemical and Enzymatic Approach for the Preparation of Azole Carboxamide Nucleoside Triphosphate
作者:Weidong Wu、Donald E. Bergstrom、V. Jo Davisson
DOI:10.1021/jo020745i
日期:2003.5.1
biochemical tools. Many of the standard methods for nucleoside triphosphate synthesis fail in the cases of nonpurine and nonpyrimidine nucleosides. An efficient preparation of the 5'-O-tosylates for both the deoxy- and ribonucleosides enabled preparation of the diphosphate esters by displacement with tris(tetra-n-butylammonium) pyrophosphate. Enzymatic synthesis of the azole carboxamide deoxyribonucleoside
DNA和RNA聚合酶的替代底物提供了一组重要的生化工具。在非嘌呤和非嘧啶核苷的情况下,许多标准的三磷酸核苷合成方法都失败了。有效地制备脱氧核糖核苷和核糖核苷的5'-O-甲苯磺酸酯能够通过用焦磷酸三(四正丁基铵)置换来制备二磷酸酯。ATP的磷酸供体,二磷酸核苷激酶作为催化剂的酶合成吡咯酰胺脱氧核糖核苷三磷酸是基于磷酸烯醇丙酮酸(PEP)和丙酮酸激酶作为ATP再生系统。核糖核苷三磷酸的合成需要PEP作为磷酸供体,丙酮酸激酶作为催化剂。开发了基于硼酸酯亲和力凝胶的优化纯化程序以产生高度纯化的三磷酸核苷。本文概述的策略为制备5'-三磷酸核苷提供了一种新的有效方法,可能适用于多种碱基和糖修饰的核苷类似物。