52252-58-1Relevant articles and documents
All-natural carbon source raspberry ketone preparation method
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, (2019/02/04)
The invention discloses an all-natural carbon source raspberry ketone preparation method, which comprises: carrying out a demethylation reaction on naturally-derived p-anisaldehyde as a raw material to prepare p-hydroxybenzaldehyde, carrying out a Knoevenagel condensation reaction on the p-hydroxybenzaldehyde and ethyl acetoacetate derived from biomass to obtain ethyl (E/Z)-2-acetyl-3-(4-hydroxyphenyl)acrylate, and carrying out hydrogenation, hydrolysis and decarboxylation to prepare the raspberry ketone. According to the present invention, the method can achieve the preparation of the all-natural carbon source raspberry ketone, and has advantages of simple route, easy operation, environmental friendliness, high yield and the like.
Palladium-catalyzed dehydrogenative β′-arylation of β-keto esters under aerobic conditions: Interplay of metal and Bronsted acids
Yip, Kai-Tai,Nimje, Roshan Y.,Leskinen, Mikko V.,Pihko, Petri M.
supporting information, p. 12590 - 12594 (2012/11/13)
The Bronsted aids: The first dehydrogenative arylation of β-keto esters with arenes under ambient aerobic conditions is described (see scheme). Under a PdII/Bronsted acid co-catalytic system, regioselective arylations with alkoxylated arenes an
Beta-ketoester compounds
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Page column 12, (2010/11/30)
The beta-ketoesters of formula I are useful as precursors for organoleptic compounds, especially for flavors, fragrances and masking agents and antimicrobial compounds.