Synthesis of 6-hydroxy-5,6-dihydro-2-pyrones and -pyridones by reaction of 4-aryl-6-trifluoromethyl-2-pyrones with water, hydrazine, and hydroxylamine
Reactions of 4-aryl-6-trifluoromethyl-2 H -pyran-2-ones with sodium hydroxide followed by acidification provided the respective 6-hydroxy-5,6-dihydro derivatives, while the reactions of 4-aryl-6-trifluoromethyl-2 H -pyran-2-ones with hydrazine and hydroxylamine were accompanied by rearrangement to N...
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| Veröffentlicht in: | Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2017-12, Vol.53 (12), p.1294-1301 |
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| container_issue | 12 |
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| container_title | Chemistry of heterocyclic compounds (New York, N.Y. 1965) |
| container_volume | 53 |
| creator | Usachev, Sergey A. Usachev, Boris I. Sosnovskikh, Vyacheslav Ya |
| description | Reactions of 4-aryl-6-trifluoromethyl-2
H
-pyran-2-ones with sodium hydroxide followed by acidification provided the respective 6-hydroxy-5,6-dihydro derivatives, while the reactions of 4-aryl-6-trifluoromethyl-2
H
-pyran-2-ones with hydrazine and hydroxylamine were accompanied by rearrangement to
N
-substituted 6-hydroxy-5,6-dihydro-2-pyridones. |
| doi_str_mv | 10.1007/s10593-018-2209-y |
| format | Article |
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| issn | 0009-3122 1573-8353 |
| language | eng |
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| subjects | Acidification Aromatic compounds Chemical synthesis Chemistry Chemistry and Materials Science Hydroxides Hydroxylamines Organic Chemistry Pharmacy Sodium hydroxide |
| title | Synthesis of 6-hydroxy-5,6-dihydro-2-pyrones and -pyridones by reaction of 4-aryl-6-trifluoromethyl-2-pyrones with water, hydrazine, and hydroxylamine |
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