Benzoxazinone synthesis via Passerini–Smiles couplings
Benzoxazinones are easily prepared using Passerini–Smiles couplings of o-nitrophenol derivatives. Palladium-catalyzed flow-hydrogenation of adducts gives aniline derivatives that cyclize into benzoxazinones on treatment with trifluoroacetic acid.
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Published in | Tetrahedron letters Vol. 55; no. 37; pp. 5144 - 5146 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
OXFORD
Elsevier Ltd
10.09.2014
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | Benzoxazinones are easily prepared using Passerini–Smiles couplings of o-nitrophenol derivatives. Palladium-catalyzed flow-hydrogenation of adducts gives aniline derivatives that cyclize into benzoxazinones on treatment with trifluoroacetic acid. |
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ISSN: | 0040-4039 1873-3581 |
DOI: | 10.1016/j.tetlet.2014.07.088 |