3-(Triflyloxy)benzynes Enable the Regiocontrolled Cycloaddition of Cyclic Ureas to Synthesize 1,4-Benzodiazepine Derivatives
作者:Takashi Ikawa、Shuji Akai、Hideki Kaneko、Yuta Yamamoto、Sundaram Arulmozhiraja、Hiroaki Tokiwa
DOI:10.1055/s-0036-1591924
日期:2018.4
A versatile synthesis of 1,4-benzodiazepine derivatives through the reaction of various 3-(trifluoromethanesulfonyloxy)benzynes with N-(p-toluenesulfonyl)imidazolidin-2-ones is reported. This reaction system provides a 1,4-benzodiazepine bearing a trifluoromethanesulfonyloxy group as a single regioisomer among the four possible regioisomers.
报道了通过各种 3-(三氟甲磺酰氧基) 苄与 N-(对甲苯磺酰基) 咪唑啉-2-酮反应合成 1,4-苯二氮卓衍生物的通用方法。该反应系统提供带有三氟甲磺酰氧基的 1,4-苯二氮卓作为四种可能的区域异构体中的单一区域异构体。