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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 39, 2009 - Issue 3
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Original Articles

Cerium(III) Chloride–Catalyzed One-Pot Synthesis of Tetrahydrobenzo[b]pyrans

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 University College of Pharmaceutical Sciences, Andhra University, Vizag, India
&
J. S. Yadav Organic Division I, Indian Institute of Chemical Technology, Hyderabad, India
Pages 433-442 | Received 01 May 2008, Published online: 08 Jan 2009
 
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Abstract

Efficient one-pot synthesis of 4H-benzo[b]pyrans via a three-component cyclocondensation of aryl aldehydes, malononitrile, and dimedone has been reported using CeCl3·7H2O as catalyst.

ACKNOWLEDGMENT

K. S. thanks UGC, New Delhi, for the award of a fellowship.

Notes

All products were characterized by IR, MS, and 1H NMR spectral data.

Isolated yields after recrystallization.

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