625372-83-0Relevant articles and documents
Synthesis of dihydropyrano[c]chromenes from hydroxycoumarins using Aliquat336 catalysed condensation in aqueous medium
Patra, Amarendra,Mahapatra, Tanusri
, p. 925 - 932 (2012/10/29)
Polyfunctionalised 1H,5H-/4H,5H-pyrano[c]chromenes were synthesised by the Aliquat336 catalysed condensation of 3-hydroxy-/4-hydroxycoumarins, malononitrile and various aromatic aldehydes in aqueous medium under the influence of microwave irradiation. The