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Beilstein J. Org. Chem. 2020, 16, 1863–1868, doi:10.3762/bjoc.16.153
Graphical Abstract
Figure 1: Phenylmalonic acids.
Scheme 1: Synthesis of diethyl 2-phenylmalonate (4).
Scheme 2: Synthesis of diethyl 2-(perfluorophenyl)malonate (3).
Figure 2: Esters of fluorine-substituted 2-phenylmalonic acids.
Scheme 3: Hydrolysis of diethyl 2-(perfluorophenyl)malonate (3).
Figure 3: Molecular structure of 2-(perfluorophenyl)acetic acid (12).
Scheme 4: Formation of 2-(perfluorophenyl)acetic acid (12).
Beilstein J. Org. Chem. 2018, 14, 3106–3111, doi:10.3762/bjoc.14.290
Scheme 1: Synthesis of Htta.
Figure 1: Known thiophene-based perfluorinated β-diketones.
Scheme 2: Preparation of 1-(2-thienyl)butane-1,3-dione (5).
Scheme 3: Preparation and cleavage of copper chelates of β-diketones.
Scheme 4: Keto-enol equilibrium of β-diketones.