在O2存在的条件下,采用Co(Oac)2/CCl3COOH/含氮配体催化体系催化苯选择羰基化制得了苯甲醛,反应的副产物为氯苯、苯酚及苯甲酸.考察了不同的含氮配体以及CO和O2的压力对反应的影响.在采用吡啶为含氮配体,CO和O2的压力分别为1.2和0.4 Mpa时,苯甲醛的收率可达37.3%,选择性达79%.
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