functionalization of ketones through double C–C bond cleavage strategy has been disclosed. This reaction provides a mild, practical method toward carbamoyl azides, which are versatile intermediates and buildingblocks in organicsynthesis. Based on relevant mechanistic studies, a unique and plausible C–C bond and N–O bond cleavage process is proposed, where the oxyamination intermediate plays an important
Copper-Catalyzed Nitrogenation of Aromatic and Aliphatic Aldehydes: A Direct Route to Carbamoyl Azides
作者:Rongbiao Wei、Liang Ge、Hongli Bao、Saihu Liao、Yajun Li
DOI:10.1055/s-0039-1690683
日期:2019.12
efficient copper-catalyzed synthesis of carbamoyl azides directly from aldehydes has been developed. Both aromatic aldehydes and aliphatic aldehydes, together with other commercially available reactants, can be used as substrates in this radical relay reaction. Broad substrate scope, simple operation, readily available reagents, and good functionality tolerance make this method very attractive.
Synthesis of Carbamoyl Azides from Redox-Active Esters and TMSN3
作者:Yajun Li、Hongli Bao、Xiaobin Yuan、Yanjie Qu
DOI:10.1055/a-2106-5108
日期:2024.3
An efficient method for construction of C–N bonds is reported here. The iron-catalyzed azidation of N-hydroxy phthalimide (NHP) esters provides a convenient approach for the synthesis of carbamoyl azides with good substrate scope and functional group tolerance. Both aryl carbon C(sp2) and alkyl carbon C(sp3) sources can be used deliver the carbamoyl azides. Mechanistic studies were conducted and a
Silicon-mediated Direct Conversion of Acyl Chlorides to Carbamoyl Azides or/and Tetrazolinones under Mild Conditions
作者:Tarek A. Salama、Saad S. Elmorsy、Abdel-Galil M. Khalil、Mohamed A. Ismail
DOI:10.1246/cl.2011.1149
日期:2011.10.5
A simple and mild one-pot procedure for the synthesis of carbamoylazides from acyl chlorides utilizing a combination of tetrachlorosilane and sodium azide in acetonitrile at ambient temperature is...