substituted benzyl chloride and bromide derivatives was achieved in good yields (up to 97.6%) and quantitative chemoselectivity, in the presence of Co2(CO)8 as the transition metal and polyethylene glycols as the phase-transfer catalyst in an organic solvent/20% aqueous NaOH two-phase system under mild conditions (1 bar CO, room temperature). η1-Benzyl-, η3-benzyl-, and (η1-phenylacetyl)cobalt carbonyls were
在Co 2(CO)8作为过渡
金属和聚
乙二醇作为相转移催化剂的情况下,苄基及取代的苄基
氯和
溴化物的羟基羰基化反应具有良好的收率(高达97.6%)和定量的
化学选择性。有机溶剂/ 20%NaOH
水溶液两相系统在温和条件下(1 bar CO,室温)。η 1苯甲基,η 3苄基,和(η 1 -苯基乙酰基)
羰基钴进行了研究,因为这催化过程的中间体。