Trifluoroethylidenation of compounds with activated methylene groups

Autor: C. Ates, Z. Janousek, Heinz G. Viehe
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