An efficient and eco-friendly synthesis of 2-pyridones and functionalized azaxanthone frameworks via indium triflate catalyzed domino reaction

2017 ◽  
Vol 19 (11) ◽  
pp. 2524-2529 ◽  
Author(s):  
N. Poomathi ◽  
P. T. Perumal ◽  
S. Ramakrishna

A green and efficient one-pot method has been developed for the synthesis of 2-pyridone and functionalized azaxanthone frameworks using indium triflate as an environmentally friendly, reusable catalyst.

2021 ◽  
Vol 11 (1) ◽  
pp. 3208-3217

An environmentally friendly one-pot three-component strategy synthesizing a series of 2-Amino-5-oxo-4,5-dihydropyrano[3,2-c]chromene-3-carbonitrile derivatives has been successfully performed in water. The products were obtained through conventional and microwave irradiation, which involving aldehyde, malononitrile, and 4-hydroxy coumarin, resulting in a green synthetic protocol with a high atom economy. The reaction was catalyzed by a water-soluble and reusable catalyst, i.e., cobalt doped iron (III) tartrate complex. The catalyst was recovered and efficiently reused.


2021 ◽  
Vol 37 (2) ◽  
pp. 341-347
Author(s):  
Arup Datta

In this work simple efficient, one pot and environmentally friendly method was developed for the synthesis of 2-Aryl-1H-benzoxazole derivatives at 80º C using ortho-aminophenol and various aldehydes. It has been found that Dowex50W is an effective catalyst to prepare moderate to high yield of a variety of benzoxazole derivatives through a clean and simple process. Aqueous medium, green methodology, rapid reaction, reusability of heterogeneous catalyst are the great advantages of this protocol.


2007 ◽  
Vol 4 (7) ◽  
pp. 524-529 ◽  
Author(s):  
Elaheh Mosaddegh ◽  
Mohammad Islami ◽  
Asadollah Hassankhani

2021 ◽  
Vol 23 (3) ◽  
pp. 1248-1258
Author(s):  
Shannon M. North ◽  
Steven P. Armes

An atom-efficient, wholly aqueous one-pot synthesis of zwitterionic diblock copolymers has been devised. Such copolymers can serve as highly effective aqueous dispersants for nano-sized transparent yellow iron oxide particles.


2021 ◽  
Author(s):  
Pakin Noppawan ◽  
Suwiwat Sangon ◽  
Nontipa Supanchaiyamat ◽  
Andrew J. Hunt

Multicomponent one-pot Biginelli reactions have been successfully performed using vegetable oil as bio-based, non-toxic, and environmentally friendly solvents. Palm oil was demonstrated to be a highly effective greener solvent as...


2020 ◽  
Vol 56 (55) ◽  
pp. 7665-7668 ◽  
Author(s):  
Lu Liu ◽  
Lei Li ◽  
Shukuan Mao ◽  
Xin Wang ◽  
Ming-Dong Zhou ◽  
...  

Various o-alkenyl aromatic isocyanides were prepared from readily available reactants for their double annulation with diazo compounds for a one-pot synthesis of pyrazolo[1,5-c]quinazolines under mild reaction conditions.


ChemInform ◽  
2010 ◽  
Vol 41 (28) ◽  
pp. no-no
Author(s):  
Alexander M. Vasil'tsov ◽  
Andrei V. Ivanov ◽  
Al'bina I. Mikhaleva ◽  
Boris A. Trofimov

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