Journal
TETRAHEDRON
Volume 69, Issue 45, Pages 9422-9427Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2013.08.076
Keywords
ortho-Nitration; Aromatic amines; Bismuth nitrate; Regioselectivity; Synthetic methods
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Funding
- National Natural Science Foundation of China [21176039, 20876021, 20923006]
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An efficient and one-pot synthetic method for the regioselective ortho-nitration of the N-phenyl carboxamides and primary anilines has been developed by using bismuth nitrate and acetic anhydride as the nitrating reagents. Reaction proceeds at room temperature and results in corresponding ortho-nitrated products in moderate to excellent yields. This method provides an operationally simple, regioselective, and efficient access to synthesize o-nitro anilines under the mild conditions. (C) 2013 Elsevier Ltd. All rights reserved.
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