An unusuallyfacile palladium catalysed oxidation of imidazolidines is described, affording in good yield, the monoamide of the corresponding diamine or the corresponding imidazolines. Oxazolidines derived from ephedrine react similarly.
Synthesis of Imidazolinium Salts by Pd/C‐Catalyzed Dehydrogenation of Imidazolidines
作者:Shin Ando、Bowen Xiao、Tadao Ishizuka
DOI:10.1002/ejoc.202100914
日期:2021.8.26
A method for the synthesis of imidazolinium salts through a catalytic dehydrogenation was developed using Pd/C as a catalyst with ammonium salt as an additive. In addition to the varied N-substituents, the presented method can be used to synthesize a series of 2-substituted imidazolinium salts.