535921-01-8Relevant articles and documents
Conformation and photochemical properties of 3-benzoyl-4-benzylamino-7- dimethylaminocoumarin
Lin, Chi-Hui,Chuang, Rong-Ren,Kuo, Pei-Yu,Yang, Ding-Yah
supporting information, p. 2431 - 2434 (2013/06/27)
3-Benzoyl-4-benzylamino-7-dimethylaminocoumarin was synthesized and its conformation in solid state and solution was determined. While the X-ray crystal analysis showed an aromatic π-π stacking interaction in the solid state, the proton NMR studies sugges
Efficient synthesis of trisubstituted [1]benzopyrano[4,3-b]pyrrol-4(1H)-one derivatives from 4-hydroxycoumarin
Liao, Yuan-Xiu,Kuo, Pei-Yu,Yang, Ding-Yah
, p. 1599 - 1602 (2007/10/03)
Various trisubstituted [1]benzopyrano[4,3-b]pyrrol-4(1H)-one derivatives have been synthesized from 4-hydroxycoumarin with a 30-40% yield over six steps. The key step of the synthesis is a base-promoted intramolecular cyclization of enamines 5, followed by dehydration to generate the fused pyrrole ring.