氧合物
催化作用
化学
离子液体
溶剂
羧酸
有机化学
碘化物
羰基化
一氧化碳
作者
Yanyan Wang,Yanru Zhang,Ying Wang,Longbo Zhang,Jun He,Cheng-Long Yu,Li Yang,Pei Zhang,Jun Ma,Xiaofu Sun,Xinchen Kang,Yuan Zhen,Qingli Qian,Buxing Han
标识
DOI:10.1002/cctc.202400077
摘要
Abstract Catalytic hydrogenation of carbon dioxide (CO 2 ) for the preparation of higher carboxylic acids is attractive and promising. Herein, we demonstrate a general strategy for producing higher carboxylic acids via reaction of CO 2 and H 2 with light (C 2 ~C 4 ) oxygenates such as ketones, alcohols, polyols, ethers and epoxides. In a green solvent consisting of ionic liquid (1‐ethyl‐3‐methylimidazolium iodide) and water, the reaction can be efficiently accelerated by RhI 3 catalyst and I 2 promoter at 170 °C. Very high or remarkable yields of higher carboxylic acids were synthesized via C−C bond formation between the intermediates generated from the oxygenates and CO 2 . Detailed study indicated that the catalyst and the solvent had excellent synergistic effect for promoting the reaction. The strategy can effectively convert the bulk and inexpensive feedstocks to value‐added carboxylic acids, and therefore is promising for commercial application.
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