Direct amide synthesis <i>via</i> Ni-mediated aminocarbonylation of arylboronic acids with CO and nitroarenes
作者:Ni Shen、Chi Wai Cheung、Jun-An Ma
DOI:10.1039/c9cc06638a
日期:——
Herein we describe an alternative and unconventional approach of an aminocarbonylation reaction to access aryl amides from readily available and low-cost arylboronic acids and nitroarenes. Nickel metal can serve as both reductant and catalyst in this direct aminocarbonylation. This protocol exhibits a good functional group compatibility and allows a variety of aryl amides to be synthesized, including
Synthesis of Secondary Amides through the Palladium(II)-Catalyzed Aminocarbonylation of Arylboronic Acids with Amines or Hydrazines and Carbon Monoxide
作者:Jin Zhang、Yuqiang Ma、Yangmin Ma
DOI:10.1002/ejoc.201701802
日期:2018.4.17
A new Pd‐catalyzed aminocarbonylation of arylboronic acids with amines or hydrazines produces secondary amides. The method exhibits good atom‐economy and a wide functional group tolerance.
A general concise method for the synthesis phenanthridin-6(5H)-ones via photoinduced intramolecular annulation of N-phenylbenzamides was developed. Under argon atmosphere and room temperature, phenanthridin-6(5H)-ones were obtained via irradiation N-phenylbenzamides with a 280 nm UV lamp in the presence of methanesulfonic acid in toluene. The mechanism is illustrated and believed to proceed in the
开发了一种通过光诱导N-苯基苯甲酰胺分子内环化合成菲啶-6(5 H )-ones的通用简明方法。在氩气和室温下,在甲苯中甲磺酸存在下,通过用 280 nm 紫外灯照射N-苯基苯甲酰胺,得到菲啶-6(5 H )-酮。该机理被说明并认为按照酰胺互变异构、6π-电环化、[1,5]-H 位移、酰胺-亚胺互变异构、酮-烯醇互变异构和放氢的顺序进行。
A quick Chan–Lam C–N and C–S cross coupling at room temperature in the presence of square pyramidal [Cu(DMAP)<sub>4</sub>I]I as a catalyst
Rhodium-Catalyzed Synthesis of Amides from Functionalized Blocked Isocyanates
作者:Joshua S. Derasp、André M. Beauchemin
DOI:10.1021/acscatal.9b02641
日期:2019.9.6
Isocyanates are useful building blocks for the synthesis of amides, although their widespread use has been limited by their high reactivity, which often results in poor functional group tolerance and a propensity to oligomerize. Herein, a rhodium-catalyzed synthesis of amides is described coupling boroxines with blocked (masked) isocyanates. The success of the reaction hinges on the ability to form