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- Title
NANO CRYSTALLINE ZnO CATALYZED ONE POT THREE-COMPONENT SYNTHESIS OF 7-ALKYL-6H,7H-NAPHTHO[1',2':5,6]PYRANO[3,2-c] CHROMEN-6-ONES UNDER SOLVENT-FREE CONDITIONS.
- Authors
Javad Piltan, Mohammad; Safaei-Ghomi, Javad
- Abstract
In the present paper, an efficient one-pot synthesis of 7-alkyl-6H,7H-naphtho[1',2':5,6]pyrano[3,2- c]chromen-6-ones is described by three-component reaction of β-naphthol, aromatic aldehydes and 4- hydroxycoumarin using ZnO nanoparticles under solvent-free conditions. The present method provides a novel and efficient procedure for the synthesis of chromene derivatives with some advantageous such as short reaction times, easy workup, high yields, wide range of products, reusability of the catalyst, little catalyst loading and green conditions in the presence of ZnO nanoparticles (7 mol%) at 110 °C.
- Subjects
ZINC oxide; NANOCRYSTAL synthesis; NAPHTHOL derivatives; SOLVENTS; AROMATIC aldehydes; METAL nanoparticles
- Publication
Bulletin of the Chemical Society of Ethiopia, 2016, Vol 30, Issue 2, p289
- ISSN
1011-3924
- Publication type
Article
- DOI
10.4314/bcse.v30i2.13