Trifluoroethylidenation of compounds with activated methylene groups
Autor: | C. Ates, Z. Janousek, Heinz G. Viehe |
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Rok vydání: | 1993 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 34:5711-5714 |
ISSN: | 0040-4039 |
Popis: | Alpha-trifluoromethyl iminium trifluoroacetates 5 can be prepared from N-oxides 4 and used in situ or after isolation. Condensation occurs with carbonyl activated methylene groups to give useful beta-trifluoromethyl vinyl ketones 8. |
Databáze: | OpenAIRE |
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