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Diethylenetriamine supported on cellulose as a biodegradable and recyclable basic heterogeneous catalyst for the synthesis of spirooxindole derivatives | ||
Iranian Journal of Catalysis | ||
مقاله 9، دوره 5، شماره 2، شهریور 2015، صفحه 161-167 اصل مقاله (880.17 K) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Batol Zakerinasab؛ Mohammad Ali Nasseri* ؛ Ali Allahresani | ||
Department of Chemistry, College of Sciences, University of Birjand, Birjand 97175-615, Iran | ||
چکیده | ||
In the present study, the synthesis of diethylene triamine supported on cellulose biopolymer as a biodegradable solid basic heterogeneous catalyst was suggested. Then, the applicability of the synthesized catalyst cellulose bonded N-propyl diethylene triamine (CBPDETA) was tested for the synthesis of oxindole derivatives, an important class of potentially bioactive compounds. A various series of tetrahydrospiro-[chromene-indoline]-carbonitrile and dihydro-spiro[pyrano quinoline--indoline]-carbonitrile are obtained in water, an excellent solvent in terms of environmental impact, in high yield (78- 98%) from one-pot reaction procedure involving dicarbonyl/ 4-hydroxycoumarine , malononitrile and isatin compounds. The catalyst has been reused several times, without observable loss of activity and selectivity. | ||
کلیدواژهها | ||
Heterogeneous catalyst؛ Cellulose؛ CBPDETA؛ Oxindole | ||
مراجع | ||
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