A green protocol for catalyst-free synthesis of 1-oxo-hexahydroxanthenes in aqueous medium |
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| Authors: | D.M. Pore T.S. Shaikh K.A. Undale D.S. Gaikwad |
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| Affiliation: | a Department of Chemistry, Shivaji University, Kolhapur 416 004, India |
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| Abstract: | An efficient and eco-friendly synthesis of 1-oxo-hexahydroxanthenes has been expediently accomplished by a reaction of salicylaldehyde with cyclohexane-1,3-dione or dimedone in water as universal solvent at reflux condition without a catalyst. Excellent yields of the products, operational simplicity, simple work-up and catalyst-free synthesis are attractive features of this green protocol. |
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| Keywords: | Octahydroxanthene Hexahydroxanthene Salicylaldehyde Water Cyclohexane-1,3-dione Dimedone |
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