Chemistry Letters p. 179 - 179 (1996)
Update date:2022-08-04
Topics:
Katsuyama, Isamu
Funabiki, Kazumasa
Matsui, Masaki
Muramatsu, Hiroshige
Shibata, Katsuyoshi
α-Alkoxycarbonyl-α,β-unsaturated trifluoromethyl ketones are easily prepared by Knoevenagel condensation of aldehydes with trifluoroacetoacetates in the presence of silica gel functionalized with amino groups and p-toluenesulfonic acid. The method gives the products in moderate to good yields.
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