Journal
TETRAHEDRON LETTERS
Volume 53, Issue 36, Pages 4858-4861Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.06.132
Keywords
Nitroarenes; Chemoselective reduction; Solid supported palladium; Nano/micro particles; Milder reducing source
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Funding
- Department of Science & Technology (Nano Mission), New Delhi [SR/NM/NS-95/2009]
- CSIR
- UGC, New Delhi
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Solid supported palladium(0) (SS-Pd) catalyzed highly chemoselective reduction of nitroarenes to the corresponding anilines was accomplished under a milder reaction condition. This catalyst showed high compatibility with various reducing agents (NaBH4, Et3SiH, and NH2NH2 center dot H2O) and a large number of reducible functional groups such as sulfonamide, amides, carboxylic acid, ester, alcohol, halide, hetero cycle, nitrile, alkene, carbonyl, O-benzyl, and N-benzyl were tolerated. Most of the reactions were clean and high yielding. The SS-Pd catalyst could be recycled up to seven runs without significant loss of activity. (C) 2012 Elsevier Ltd. All rights reserved.
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