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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 37, 2007 - Issue 4
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Original Articles

Regioselective Aromatic Electrophilic Bromination with Dioxane Dibromide Under Solvent‐Free Conditions

Subrata Kumar Chaudhuri Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, India
,
Sanchita Roy Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, India
,
M. Saha Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, India
&
Sanjay Bhar Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, IndiaCorrespondence[email protected] or [email protected]
Pages 579-583 | Received 10 Jul 2006, Published online: 05 Mar 2007
 
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Abstract

Highly regioselective ring bromination of aromatic compounds has been accomplished with high yields and good purity using dioxane dibromide (DD) under solvent‐free conditions. Notable features of this methodology include operational simplicity, rapid reactions, excellent control over the degree of bromination, and tolerance of various functional groups during the reaction.

Acknowledgments

Financial support from the Council of Industrial and Scientific Research, New Delhi (Grant No. 01(1673)/00/EMR‐II dated 07‐12‐2000), is gratefully acknowledged. S. R. thanks the University Grants Commission, New Delhi, and M. S. thanks CSIR, New Delhi, for junior research fellowships. The authors express profound thanks to N. Dutta of the Indian Association for the Cultivation of Science for necessary assistance.

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