An efficient methodology was developed for performing palladium-catalyzed E–E (E = S, Se) bond addition to alkynes under solvent free conditions. Compared to reaction in solvent significant enhancement of reaction rate, improved efficiency and remarkable catalyst stability were observed under solvent free conditions. The addition reactions were carried out with high stereoselectivity and yields in a short reaction time.
在无溶剂条件下开发了一种高效的
钯催化剂催化
硫、
硒键加成到
炔烃的方法。与使用溶剂相比,无溶剂条件下表现出更快的反应速率、更高的效率以及显著的
催化剂稳定性。该加成反应在短时间内即可获得高立体选择性和高收率的产物。