bipolar CF2 building block, which enables a homologation cyclization process via sequentially reacting with the phenolate and the ester group on the same substrate. The potential application of this synthetic approach is demonstrated by a late-stage modification of diethylstilbestrol. Mechanistic studies revealed the multiple crucial roles played by the Ruppert–Prakash reagent.
用于快速访问甲
二氟卡宾体介导级联环化反应偕-二
氟化的3-
香豆冉酮衍
生物被开发。
二氟卡宾用作双极CF 2构件,可通过与同一底物上的
酚盐和酯基顺序反应来实现同源环化过程。
己烯雌酚的后期修饰证明了这种合成方法的潜在应用。机理研究表明,Ruppert-Prakash试剂具有多种关键作用。