Synthesis of <i>N</i>-alkoxy amines and hydroxylamines <i>via</i> the iridium-catalyzed transfer hydrogenation of oximes
作者:Yanping Xia、Sen Wang、Rui Miao、Jianhua Liao、Lu Ouyang、Renshi Luo
DOI:10.1039/d2ob01084d
日期:——
hydrogenation of oximes to access N-alkoxy amines and hydroxylamines, and the reaction was accelerated by trifluoroacetic acid. The practical application of this protocol was demonstrated by a gram-scale transformation and two-step synthesis of the fungicide furmecyclox (BAS 389F) in overall yields of 92 and 85%, respectively. An asymmetric protocol using chiral Ir complexes to afford chiral N-alkoxy amines was
发现阳离子铱(Ir)配合物催化肟的转移加氢以得到N-烷氧基胺和羟胺,并且三氟乙酸加速了反应。该协议的实际应用通过克级转化和杀菌剂 furmecyclox (BAS 389F) 的两步合成得到证明,总产量分别为 92% 和 85%。证明了使用手性 Ir 配合物提供手性N-烷氧基胺的不对称方案,但获得的低产率/ee 表明需要进一步开发。