Hantzsch reaction with bis-indole-2,3-diones: Synthesis of novel bis-spirocyclic oxindole incorporating acridine, dipyrazolo[3,4-b:4',3'-e]pyridine and pyrido[2,3-d:6,5-d']dipyrimidine

Abdelmoniem, AM; Abdelrahman, MGM; Ghozlan, SAS; Elwahy, AHM; Abdelhamid, IA

Abdelmoniem, AM; Elwahy, AHM; Abdelhamid, IA (corresponding author), Cairo Univ, Fac Sci, Dept Chem, Giza 12613, Egypt.

SYNTHETIC COMMUNICATIONS, 2021; 51 (12): 1814