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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 31, 2001 - Issue 18
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Original Articles

USEFUL SYNTHESES OF PRENYLATED- AND PYRANO-3-ARYLCOUMARINS

Raghao S. Mali Department of Chemistry, Garware Research Center, University of Pune, Pune, 411 007, IndiaCorrespondence[email protected]
&
Priya P. Joshi Department of Chemistry, Garware Research Center, University of Pune, Pune, 411 007, India
Pages 2753-2760 | Received 17 Aug 2000, Published online: 15 Aug 2006
 
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Abstract

Convenient syntheses of 6-prenyl- and 8-isoprenyl-3-arylcoumarins (7a–d and 8c–d) from 2-prenyloxy-4-methoxybenzaldehydes (5a and 5b) and of pyrano-3-arylcoumarins (10a–b) from 2-hydroxy-4-(1,1-dimethylpropynyloxy) benzaldehyde (9) using Wittig reaction are described.

ACKNOWLEDGMENTS

We thank Mr. A. P. Gadgil for IR and analytical data and IIT Mumbai for use of High Resolution NMR facility. One of us PPJ thanks UGC-New Delhi for the award of a senior research fellowship.

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