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Solvent-free synthesis of xanthene derivatives by Preyssler type heteropolyacid

Author(s): Majid M. Heravi | Hamideh Alinejhad | Khadijeh Bakhtiari | Mina Saeedi | Hossein A. Oskooie | Fatemeh F. Bamoharram

Journal: Bulletin of the Chemical Society of Ethiopia
ISSN 1011-3924

Volume: 25;
Issue: 3;
Start page: 399;
Date: 2011;
Original page

Keywords: Xanthene derivatives | Solvent-free synthesis | Preyssler type heteropolyacid | 3 | 4-Methylene dioxyphenol | β -Naphthol | Three-component one-pot reactions

Dimedone reacted with aromatic aldehydes and 3,4-methylenedioxyphenol or β-naphthol in the presence of a catalytic amount of Preyssler type heteropolyacid, H14[NaP5W30O110], as a green and reusable catalyst under solvent-free conditions to form a variety of new xanthene derivatives in very good yields.
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