K Jadidi, R Ghahremanzadeh… - Journal of Combinatorial …, 2009 - ACS Publications
An efficient one-pot synthesis of novel 8, 9-dihydrospiro [chromeno [2, 3-d] pyrimidine-5, 3′-
indoline]-2, 2′, 4, 6 (1 H, 3 H, 7 H)-tetraone derivatives by a three-component condensation …