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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 38, 2008 - Issue 20
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Original Articles

CeCl3·7H2O-Catalyzed Synthesis of 1-Oxo-hexahydroxanthene Derivatives in Aqueous Media

Gowravaram Sabitha Organic Division I, Indian Institute of Chemical Technology, Hyderabad, IndiaCorrespondence[email protected]
,
K. Arundhathi Organic Division I, Indian Institute of Chemical Technology, Hyderabad, India
,
K. Sudhakar Organic Division I, Indian Institute of Chemical Technology, Hyderabad, India
,
B. S. Sastry Univesity College of Pharmaceutical Sciences, Andhra University, Vizag, India
&
J. S. Yadav Organic Division I, Indian Institute of Chemical Technology, Hyderabad, India
Pages 3439-3446 | Received 03 Mar 2008, Published online: 29 Sep 2008
 
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Abstract

Cerium(III) chloride heptahydrate (CeCl3·7H2O) catalyzes the reaction of substituted salicylaldehydes with 1,3-cyclohexane dione or dimedone in aqueous medium at reflux temperature to afford the corresponding 1-oxo-1,2,3,4,9,10-hexahydroxanthene derivatives4 0 in high yields.

ACKNOWLEDGMENT

K. S. thanks University Grants Commission, New Delhi, for the award of a fellowship.

Notes

a All products were characterized by spectral data and compared with authentic samples.

b Isolated pure products.

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