Rapid and Efficient One-Pot Synthesis of 3,4-Dihydroquinoxalin-2-Amine Derivatives Catalyzed by Co<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> Core-Shell Nanoparticles Under Ultrasound Irradiation
作者:Mohammad Ali Ghasemzadeh、Boshra Mirhosseini-Eshkevari、Mohammad Hossein Abdollahi-Basir
DOI:10.2174/1386207319666160524141831
日期:2016.7.12
three-component reactions of ophenylenediamines (OPDA), diverse ketones and various isocyanides in ethanol underultrasoundirradiation. The combinatorial synthesis was attained for this procedure with applying ultrasoundirradiation while making use of ethanol as green ambient. The present approach offers several advantages such as high yields, environmentally benign, simple work-up, excellent yield of products
EDTA-catalyzed synthesis of 3,4-dihydroquinoxalin-2-amine derivatives by a three-component coupling of one-pot condensation reactions in an aqueous medium
作者:Srinivasa Rao Kolla、Yong Rok Lee
DOI:10.1016/j.tet.2010.09.050
日期:2010.11
This paper describes a simple and efficient one-pot synthetic approach for the preparation of biologically interesting 3,4-dihydroquinoxalin-2-amine derivatives using EDTA-catalyzed three-component reactions of o-phenylenediamines, carbonyl compounds, and isocyanides in an aqueous medium. This method is of great value because of its environmentally benign character, high yields, and ease of handling. (C) 2010 Elsevier Ltd. All rights reserved.
Cerium oxide nanoparticle-catalyzed three-component protocol for the synthesis of highly substituted novel quinoxalin-2-amine derivatives and 3,4-dihydroquinoxalin-2-amines in water
作者:Naushad Edayadulla、Yong Rok Lee
DOI:10.1039/c4ra00717d
日期:——
The syntheses of novel quinoxalin-2-amine derivatives were conducted in water using CeO2 nanoparticle catalyzed three-component reactions of 1,2-diamines with aldehydes and isocyanides. A variety of 3,4-dihydroquinoxalin-2-amine derivatives were also synthesized by reactions between 1,2-diamines, ketones and isocyanides. This new method offers an environmentally benign and effective approach for the