The highly regioselective aerobic oxidative cyclization of aromatic, heteroaromatic and alkenyl acids with alkynes in the presence of catalytic amounts of [RuCl2(p-cymene)}2], AgSbF6 and Cu(OAc)2·H2O providing isocoumarin derivatives was investigated.
研究了在[RuCl2(p-cymene)}2]、AgSbF6和Cu(OAc)2·
H2O的催化量存在下,芳香族、杂芳香族和烯基酸与
炔烃的高区域选择性氧化环化反应,生成了异
香豆素衍
生物。