A novel one-pot synthesis of spiro[indoline-3,4â²-pyrazolo[3,4-e][1,4]thiazepine] diones using recyclable bioglycerol-based sulfonic acid functionalized carbon catalyst
Keywords: اسپیروکسیدول; Bioglycerol-based carbon catalyst; 1,4-Thiazepine; Spirooxindole; Isatin; Amino pyrazole; 2-Mercapto acetic acid;