Tagging the Untaggable: A Difluoroalkyl-Sulfinate Ketone-Based Reagent for Direct C–H Functionalization of Bioactive Heteroarenes
作者:Samer Gnaim、Anna Scomparin、Xiuling Li、Phil S. Baran、Christoph Rader、Ronit Satchi-Fainaro、Doron Shabat
DOI:10.1021/acs.bioconjchem.6b00382
日期:2016.9.21
direct derivatization of heteroarene C–H bonds. The reagent is capable of introducing a ketone functional group on heteroarene bioactive compounds via a one-pot reaction. Remarkably, in three examples the ketone analog and its parent drug had almost identical cytotoxicity. In a representative example, the ketone analog was bioconjugated with a delivery vehicle via an acid-labile semicarbazone linkage and
我们开发了一种新的二氟烷基缩酮亚磺酸盐试剂,适用于杂芳烃CH键的直接衍生。该试剂能够通过一锅反应在杂芳烃生物活性化合物上引入酮官能团。值得注意的是,在三个实施例中,酮类似物及其母体药物具有几乎相同的细胞毒性。在一个代表性的实例中,将酮类似物通过酸不稳定的半脲酮键与递送媒介物和光不稳定的保护基生物缀合以产生相应的前药。两种系统均在体外证明了药物-酮类似物的控制释放。这项研究提供了一种一般方法,可直接从生物活性杂芳烃化合物中获得可标记的酮类似物,但结合的选择有限。