Cyclopropanations of Olefin-Containing Natural Products for Simultaneous Arming and Structure Activity Studies
作者:Omar Robles、Sergio O. Serna-Saldívar、Janet A. Gutiérrez-Uribe、Daniel Romo
DOI:10.1021/ol300105q
日期:2012.3.16
ester under Rh(II) catalysis is employed for cyclopropanations of electron-rich olefins while an alkynyl sulfonium ylide is used for electron-poor olefins. This approach enables simultaneous natural product derivatization for SAR studies and arming (i.e., via alkyne attachment) for subsequent conjugation with reporter tags (e.g., biotin, fluorophores, photoaffinity labels) for mechanism of action studies
据报道,在温和条件下进行的含烯烃天然产物的环丙烷化反应可用于同时进行武装和结构-活性关系研究。在 Rh(II) 催化下的炔基重氮酯用于富电子烯烃的环丙烷化,而炔基锍叶立德用于缺电子烯烃。这种方法可以同时进行 SAR 研究的天然产物衍生化和武装(即通过炔烃连接),以便随后与报告标签(例如,生物素、荧光团、光亲和标签)结合,用于作用机制研究,包括细胞目标识别和蛋白质组分析实验。