1. An efficient synthesis of novel spiro[indole-3, 8′-pyrano[2, 3-d][1, 3, 4]thiadiazolo[3, 2-a]pyrimidine derivatives via organobase-catalyzed three-component reaction of malononitrile, isatin and heterocyclic-1, 3-diones. (2nd November 2021) Authors: Hosseini, Saedehsadat; Esmaeili, Abbas Ali; Khojastehnezhad, Amir; Notash, Behrouz Journal: Journal of sulfur chemistry Issue: Volume 42:Number 6(2021) Page Start: 628 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗