Reaction between aldehydes and amides catalysed by p-toluene sulfonic acid in microwave conditions provided a simple and efficient one-pot route for the synthesis of symmetrical bisamide derivatives in excellent yields.
An Efficient Synthesis of Symmetrical Bisamides Catalysed by Molecular iodine under Neutral Conditions
作者:Hongshe Wang、June Zeng
DOI:10.3184/174751912x13383107316656
日期:2012.8
An efficient synthesis of symmetrical bisamides is described in which aldehydes are reacted with amides in the presence of 5 mol% of iodine to give the corresponding bisamides in high yields under neutral conditions.
<i>p</i>-Toluene Sulfonic Acid–Catalyzed, Solvent-Free Synthesis of Symmetrical Bisamides by Reaction Between Aldehydes and Amides
作者:Mohammad Anary-Abbasinejad、Mohammad H. Mosslemin、Alireza Hassanabadi、Safiyeh Tajik Safa
DOI:10.1080/00397910903219617
日期:2010.7.12
Reaction between aldehydes and amides catalyzed by p-toluene sulfonic acid in solvent-free conditions provided a simple and efficient one-pot route for the synthesis of symmetrical bisamide derivatives in excellent yields.
Ultrasound-Promoted Synthesis of Symmetrical Bisamides by Reaction between Aromatic Aldehydes and Amides Catalysed by P-Toluenesulfonic Acid
作者:Raziyeh Pyrzehi-Bakhshani、Alireza Hassanabadi
DOI:10.3184/174751916x14495888748571
日期:2016.1
Reactionbetween aldehydes and amides catalysed by p-toluene sulfonic acid (p-TSA), under ultrasound irradiation and ambient conditions, gives symmetrical bisamide derivatives in excellent yield and in short time.
Immobilization of dihydrogen phosphate onto rice husk ash as a highly efficient and green catalyst for the synthesis of symmetrical N,N′-alkylidene bisamides
作者:Hamid Reza Saadati-Moshtaghin
DOI:10.1007/s11164-019-03779-3
日期:2019.5
The preparation and characterization of an environmentally-benign and low-cost catalyst consisting of KH2PO4 supported on silica from rice husk ash is reported. The prepared catalyst was characterized by FT-IR spectroscopy, field emission scanning electron microscopy, powder X-ray diffraction and inductively coupled plasma. The synthesized nanocomposite exhibited an excellent catalytic efficiency in
报道了由稻壳灰制备负载在二氧化硅上的KH 2 PO 4组成的对环境无害且低成本的催化剂。通过FT-IR光谱,场发射扫描电子显微镜,粉末X射线衍射和电感耦合等离子体对所制备的催化剂进行了表征。合成的纳米复合材料在无溶剂条件下制备对称的 N , N'-亚 烷基双酰胺的缩合反应中具有优异的催化效率 。