Interesting results of catalytic hydrogenation of 3-(2-nitrophenyl)-isoxazoles and 3-(nitro-substituted-phenyl)-2-isoxazolines
IR@CDRI: CSIR-Central Drug Research Institute, Lucknow
View Archive InfoField | Value | |
Creator |
Singh, Vijay
Madapa, Sudharshan Yadav, G P Maulik, P R Batra, Sanjay |
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Date |
2007-12-25T10:25:20Z
2007-12-25T10:25:20Z 2006 |
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Identifier |
Syntheis, (2006), 1995-2004
http://hdl.handle.net/123456789/42 |
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Description |
The Pd-C-assisted hydrogenolysis of substituted 3-(2-nitrophenyl)-isoxazoles, irrespective of substitution on the isoxa-zole ring, invariably leads to reduction of nitro to amino group with concomitant regiospecific ring closure to yield substituted 4-quinolinamines. In contrast similar hydrogenation of 3-(nitro substituted phenyl)-2-isoxazolines results in reduction of the nitro group only with conservation of isoxazoline ring to yield 3-(amino substituted phenyl)-2-isoxazolines.
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Format |
253839 bytes
application/pdf |
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Language |
en
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Relation |
CDRI Communication no 6402
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Subject |
Isoxazole
2-isoxazoline 4-aminoquinoline hydrogenation Pd-C ring transformation regiospecific |
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Title |
Interesting results of catalytic hydrogenation of 3-(2-nitrophenyl)-isoxazoles and 3-(nitro-substituted-phenyl)-2-isoxazolines
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Type |
Article
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