One-step conversion of esters to acyl azides using diethylaluminum azide
作者:Viresh H. Rawal、Hua M. Zhong
DOI:10.1016/s0040-4039(00)73289-8
日期:1994.7
Diethylaluminum azide, prepared from either sodium azide and diethylaluminum chloride or hydrazoic acid and triethylaluminum, reacts with esters to yield acyl azides in one step.
由叠氮化钠和氯化二乙基铝或肼酸和三乙基铝制得的叠氮化二乙基铝与酯反应生成酰基叠氮化物。
KI Catalyzed Nitrogenation of Aldehydes and Alcohols: Direct Synthesis of Carbamoyl Azides and Ureas
作者:Song Song、Peng Feng、Miancheng Zou、Ning Jiao
DOI:10.1002/cjoc.201600914
日期:2017.6
An efficient KI catalyzed nitrogenation of aldehydes and alcohols for the direct synthesis of carbamoylazides and ureas via a radical process has been developed. The simple operating procedures, the readily available starting materials including aldehydes, alcohols and amines, as well as the utility of the products all make this strategy very attractive.
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
A novel method was developed for the synthesis of carbamoyl azides from hydroxamic acids via the Lossen rearrangement using diphenyl phosphorazidate, which acts as both the activator and azide source to produce the azidesvia an isocyanate intermediate. Using this method, various hydroxamic acids were converted into the corresponding carbamoyl azides, enabling their preparation without the use of highly
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.