1228077-30-2Relevant articles and documents
One-pot synthesis of dihydropyrano[2,3-c]chromenes via a three component coupling of aromatic aldehydes, malononitrile, and 3-hydroxycoumarin catalyzed by nano-structured ZnO in water: A green protocol
Paul, Sanjay,Bhattacharyya, Pranabes,Das, Asish R.
, p. 4636 - 4641 (2011)
An efficient and green protocol for the synthesis of dihydropyrano[2,3-c] chromene derivatives by one-pot, three component coupling reaction of aromatic aldehyde, malononitrile, and 3-hydroxycoumarin has been developed using nano-structured ZnO as the cat
Rapid and Efficient One-Pot Multicomponent Synthesis of Pyrano[3,2-c]chromene Derivatives, Catalyzed by a Deep Eutectic Solvent
Asiri, Y. I.,Shaheen, S.,Tasqeeruddin, S.
, p. 1321 - 1329 (2021/09/30)
Abstract: A simple, efficient, and eco-friendly method for the construction of pyrano[3,2-c]chromene derivatives, involving a one-pot multicomponent condensation of 3-hydroxycoumarin, various benzaldehydes, and malononitrile, catalyzed by a choline chlori
New crown ether-based ionic liquids as a green and versatile organocatalyst for three-component synthesis of 1,5-dihydropyrano[2,3-c]chromene derivatives
Mohammadzadeh, Iman,Asadipour, Ali,Pardakhty, Abbas,Abaszadeh, Mehdi
, p. 240 - 245 (2020/02/29)
A simple and green method for the synthesis of 1,5-dihydropyrano[2,3-c]chromene derivatives has been reported by three-component reaction of aromatic aldehydes, malononitrile, and 3-hydroxycoumarin in the presence of a series of novel crown ether-based io
Synthesis of a SO3H-bearing carbonaceous solid catalyst, PEG-SAC: Application for the easy access to a diversified library of pyran derivatives
Paul, Sanjay,Ghosh, Sirshendu,Bhattacharyya, Pranabes,Das, Asish R.
, p. 14254 - 14262 (2013/09/02)
A SO3H-bearing carbonaceous solid catalyst (PEG-SAC) has been synthesized through sulfonation followed by a hydrothermal carbonization method from renewable resources like polyethylene glycol. The biodegradable catalyst was characterized by XRD
