- Turkish Journal of Chemistry
- Vol: 41 Issue: 3
- Bis(indoline-2,3-diones): versatile precursors for novel bis(spirooxindoles) incorporating 4$H$-chro...
Bis(indoline-2,3-diones): versatile precursors for novel bis(spirooxindoles) incorporating 4$H$-chromene-3-carbonitrile and pyrano[2,3-$d$]pyrimidine-6-carbonitrile derivatives
Authors : Said Ahmed Soliman Ghozlan, Muhammed Aly Ramadan, Amr Mohmed Abdelmoniem, Ahmed H. M. Elwahy, Ismail Abdelshafy Abdelhamid
Pages : 410-419
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Publication Date : 9999-12-31
Article Type : Makaleler
Abstract :Multicomponent reaction of dimedone or 1,3-dimethylbarbituric acid and malononitrile with a series of bis(indoline-2,3-diones) afforded the corresponding bis(2-amino-7,7-dimethyl-2',5-dioxo-5,6,7,8-tetrahydrospiro[chromene-4,3'-indoline]-3-carbonitrile) and bis(7'-amino-1',3'-dimethyl-2,2',4'-trioxo-1',2',3',4'-tetrahydrospiro[indoline-3,5'-pyrano [2,3-d]pyrimidine]-6'-carbonitrile) derivatives in good to excellent yield.Keywords : Bis(indoline-2, 3-diones), bis(spirooxindole), 4$H$-chromene-3-carbonitrile, pyrano[2, 3-$d$]pyrimidine-6-carbonitrile