Synthesis of 1,2-dihydro-1,3,5-triazine derivatives <i>via</i> Cu(<scp>ii</scp>)-catalyzed C(sp<sup>3</sup>)–H activation of <i>N</i>,<i>N</i>-dimethylethanolamine with amidines
作者:Min Yan、Renchao Ma、Rener Chen、Lei Wang、Zhiming Wang、Yongmin Ma
DOI:10.1039/d0cc03820b
日期:——
1,2-Dihydro-1,3,5-triazines and symmetrical 1,3,5-triazines were obtained in up to 81% yields from amidines and N,N-dimethylethanolamine catalyzed by CuCl2. The reaction involves three C–N bond formations during the oxidative annulation process and the mechanism was proposed. This efficient synthesis of 1,2-dihydro-1,3,5-triazines was developed for the first time.
由Cu和由CuCl 2催化的N,N-二甲基乙醇胺可以以高达81%的产率获得1,2-二氢-1,3,5-三嗪和对称的1,3,5-三嗪。该反应在氧化环化过程中涉及三个C–N键的形成,并提出了机理。首次开发了这种有效的1,2-二氢-1,3,5-三嗪合成方法。