Alkenyl triflates in combination with Co(acac)(3) as a catalyst were found to be excellent coupling partners of alkynyl Grignard reagents, where no special additives (even a phosphine ligand) but a common solvent, THF, are required to obtain variously substituted enynes.
发现链烯基
三氟甲磺酸酯与Co(acac)(3)组合作为催化剂是炔基格利雅试剂的极佳偶联伙伴,不需要特殊添加剂(甚至是
膦配体),而只需使用普通溶剂THF即可获得各种取代基恩尼斯。