Rearrangement of aldoximes to amides in water under air atmosphere catalyzed by water-soluble iridium complex [Cp*Ir(H<sub>2</sub>O)<sub>3</sub>][OTf]<sub>2</sub>
作者:Chunlou Sun、Panpan Qu、Feng Li
DOI:10.1039/c3cy00934c
日期:——
[Cp*Ir(H2O)3][OTf]2, a variety of aldoximes, including aromatic, aliphatic, conjugated unsaturated and non-conjugated unsaturated, were converted into their corresponding amides in water with good to excellent yields. Further, the one-pot synthesis of amides from aldehydes, hydroxylamine hydrochloride and sodium carbonate via a tandem condensation–rearrangement reaction in water was also accomplished. Compared
在水溶性铱络合物[Cp * Ir(H 2 O)3 ] [OTf] 2的存在下,包括芳族,脂肪族,共轭不饱和和非共轭不饱和在内的各种醛肟被转化为其相应的酰胺。在水中具有良好或优异的产量。此外,还通过串联缩合-重排反应在水中从醛,盐酸羟胺和碳酸钠一锅法合成酰胺。与报道的用于在水中将醛肟重排成酰胺的有机金属催化剂相比,本发明的催化剂显示出一些优点,例如不含磷配体,催化剂负载低以及在空气气氛下操作方便。