A base- and metal-free three-component reaction of ynones, sodium azide, and alkyl halides is developed for the regioselective synthesis of 2,4,5-trisubstituted-1,2,3-triazoles. The method is general, convenient, environmentally benign, atom-economical, and high-yielding.
开发了一种无基底和
金属的三组分反应,将炔酮、
叠氮化
钠和烷基卤化物用于2,4,5-三取代-
1,2,3-三唑的区域选择性合成。该方法具有通用性、便利性、环保性、原子经济性和高产率。