111222-25-4Relevant articles and documents
Kumari, Santosh,Shakoor, S. M. Abdul,Khullar, Sadhika,Mandal, Sanjay K.,Sakhuja, Rajeev
, p. 3220 - 3228 (2018)
A Novel Transformation of 4-Arylaminocoumarins to 6H-1-Benzopyranoquinolin-6-ones Under Vilsmeier-Haack Conditions
Tabakovic, K.,Tabakovic, I.,Ajdini, N.,Leci, O.
, p. 308 - 310 (2007/10/02)
4-Aryl and 4-alkylaminocoumarins 1 were prepared by reacting of 4-hydroxycoumarin and an appropriate amine.The reaction of 1 with phosphorousoxychloride/dimethylformamide led to 6H-1-benzopyranoquinoline-6-one derivatives 2 in very good yields, whi