New synthetic approach to substituted isoindolo[2,1- a]quinoline carboxylic acids via intramolecular Diels–Alder reaction of 4-( N-furyl-2)-4-arylaminobutenes-1 with maleic anhydride

Autor: Zubkov, Fedor I., Boltukhina, Ekaterina V., Turchin, Konstantin F., Borisov, Roman S., Varlamov, Alexey V.
Zdroj: In Tetrahedron 2005 61(16):4099-4113
Databáze: ScienceDirect