of p-RC6H4NH2 (R = H, CH3, Cl) or C6H5NHR (R = CH3, C6H5) and a catalytic amount of a nickel(II) or nickel(0) tertiary phosphine complex at 150°C or above under carbon monoxide pressures is reported. Amides were obtained in high yields in reactions with p-RC6H4NH2, but with C6H5NHR compounds the expected N-alkyl benzanilides were not formed, benzanilide in low yield being formed instead. A possible
在p -RC 6 H 4 NH 2(R = H,CH 3,Cl)或C 6 H 5 NHR(R = CH 3,C 6 H 5)和催化量的a-存在下的芳基卤化物的羰基化反应报道了在
一氧化碳压力下在150℃或更高温度下的
镍(II)或
镍(0)叔膦配合物。与p -RC 6 H 4 NH 2反应可高产率获得酰胺,但与C 6 H 5 NHR化合物反应可获得预期的N没有形成烷基苯甲酰
苯胺,而是以低产率形成了苯甲酰
苯胺。提出了基于活性Ni o-羰基配合物的可能的催化循环,并且当产生
一氧化碳不活泼的副反应时,观察到
一氧化碳压力降至6atm或更低时催化体系的失活。II化合物。