New strategy for the synthesis of oligodeoxynucleotides bearing adducts at exocyclic amino sites of purine nucleosides
作者:Constance M. Harris、Liang Zhou、Eric A. Strand、Thomas M. Harris
DOI:10.1021/ja00011a044
日期:1991.5
stereochemical control of adduction. In this method the natural polarity of reaction, i.e., with the heterocyclic base as the nucleophilic species and the adducting moiety as electrophile, is reversed. Thus, an amino derivative of the mutagen is used to displace halogen from the appropriate halo-substituted heterocyclic species. The key to the present method is that the displacement reaction is carried
报告一种新的低聚后策略,该策略提供了对加合物的完整区域化学和立体化学控制。在该方法中,反应的自然极性,即杂环碱作为亲核物质而加合部分作为亲电试剂被逆转。因此,诱变剂的氨基衍生物用于从合适的卤代杂环物质中置换卤素。本方法的关键是在低聚物仍附着在固体载体上时进行置换反应