Issue 22, 2015

Water mediated reactions: TiO2 and ZnO nanoparticle catalyzed multi component domino reaction in the synthesis of tetrahydroacridinediones, acridindiones, xanthenones and xanthenes

Abstract

Eco-accommodation of TiO2 nanorods in the four component Domino reaction for the framing of 9-(2-oxo-1,2-dihydroquinolin-3-yl)-10-phenyl-3,4,6,7-tetrahydroacridine-1,8-(2H,5H,9H,10H)-diones 4 from 1,3-cyclohexanedione and/or dimedone 1, 2-chloro-3-formylquinoline 2 and anilines 3 in water at 90 °C are accounted for. The present methodology offers a domino reaction strategy, high yield, simple operation, recyclability and is eco-friendly. In addition, a productive, highly chemoselective ZnO catalyzed, water mediated, microwave aided synthesis of functionalized xanthenes and xanthenones 7 and acridinediones 8 in excellent yields is reported through an environmentally benevolent strategy.

Graphical abstract: Water mediated reactions: TiO2 and ZnO nanoparticle catalyzed multi component domino reaction in the synthesis of tetrahydroacridinediones, acridindiones, xanthenones and xanthenes

Supplementary files

Article information

Article type
Paper
Submitted
24 Oct 2014
Accepted
16 Jan 2015
First published
16 Jan 2015

RSC Adv., 2015,5, 17257-17268

Author version available

Water mediated reactions: TiO2 and ZnO nanoparticle catalyzed multi component domino reaction in the synthesis of tetrahydroacridinediones, acridindiones, xanthenones and xanthenes

I. Pugazhenthi, S. M. Ghouse, F. Nawaz Khan, E. D. Jeong, J. S. Bae, J. Kim, E. H. Chung, Y. S. Kumar and C. Dasaradhan, RSC Adv., 2015, 5, 17257 DOI: 10.1039/C4RA13045F

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