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l-Proline catalyzed condensation of salicylaldehydes with ethyl nitroacetate: an efficient access to 3-nitrocoumarins
l -Proline catalyzed condensation of salicylaldehydes and ethyl nitroacetate afforded 3-nitrocoumarins in good to high yields under mild conditions. This organocatalyzed process offers a much improved yield of 3-nitrocoumarins and well tolerates both electron-donating and electron-withdrawing substi...
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Published in: | Monatshefte für Chemie 2016-12, Vol.147 (12), p.2157-2161 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | l
-Proline catalyzed condensation of salicylaldehydes and ethyl nitroacetate afforded 3-nitrocoumarins in good to high yields under mild conditions. This organocatalyzed process offers a much improved yield of 3-nitrocoumarins and well tolerates both electron-donating and electron-withdrawing substituents on the phenyl ring.
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ISSN: | 0026-9247 1434-4475 |
DOI: | 10.1007/s00706-016-1736-4 |