Journal
SYNTHETIC COMMUNICATIONS
Volume 40, Issue 15, Pages 2191-2200Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00397910903219591
Keywords
Indeno[1; 2-b]quinoline-9; 11(6H; 10H)-dione derivatives; multicomponent reactions; Preyssler-type heteropolyacid; solvent-free synthesis
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Funding
- Azzahra Research Council
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An efficient synthesis of indeno[1,2-b]quinoline-9,11(6H,10H)-dione derivatives was reported via four-component coupling reaction of aldehydes, dimedone, 1,3-indandione, and amines in refluxing ethanol or three-component condensation of aldehydes, 1,3-indandione, and 5,5-dimethyl-3-arylamino-cyclohex-2-enone derivatives at 120 degrees C under solvent-free conditions in the presence of a catalytic amount of Preyssler-type heteropolyacid, H14[NaP5W30O110], as a green and reusable catalyst.
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