1173277-76-3Relevant articles and documents
A one-pot synthesis of 3,3′-methylenebis(2-arylamino-4H-chromen-4-one) from C-(4-oxo-4H-1-benzopyran-3-yl)-N-arylnitrone
Maiti, Sourav,Panja, Suman Kalyan,Bandyopadhyay, Chandrakanta
, p. 3966 - 3969 (2009)
2-(Arylamino)-4-oxo-4H-chromene-3-carbaldehyde 3 (R2 = aryl) produces 12H-chromeno[2,3-b]quinolin-12-one 4 when treated with sarcosine, piperidine or diethylamine, but produces 3,3′-methylenebis(2-arylamino-4H-chromen-4-one) 8 when treated with