The palladium-catalysed four-component coupling of a halide, terminal alkyne, molybdenum hexacarbonyl and either a hydrazine or amidine has been shown to be an efficient method for the construction of highly substituted pyrazoles and pyrimidines, respectively, in a one-pot process.
钯催化的卤化物、末端
炔烃、
六羰基钼与
肼或脒的四组分耦合反应已被证明是一种高效的一锅法,分别用于构建高度取代的
吡唑和
嘧啶。