科研之友
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摘要
Catalyzed by supported palladium nanoparticles, an aminolysis reaction between various aryl esters and quaternary ammonium salts via twice C-N bond activations has been developed for selectively synthesis of amides. The Pd/gamma-Al2O3 catalyst exhibited an excellent catalytic activity and reusability of at least five recycles in air for the reaction. The experiment results indicated that the first C-N cleavage of quaternary ammonium salt affords the tertiary amine and halohydrocarbon, and the second C-N cleavage proceeds via the formation of an iminium intermediate.
- 出版日期2017-5-25
- 单位内蒙古师范大学
