Synthesis of 2-[2-(Ethoxymethoxy)phenyl]spiro[cyclopropane-1,2'-indene]-1',3'-dioneстатья
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Дата последнего поиска статьи во внешних источниках: 26 июня 2024 г.
Аннотация:An 1,3-indanedione-derived donor–acceptor cyclopropane, bearing the ethoxymethyl-protected phenolic group at the ortho-position of the donor aryl substituent, has been synthesized using a reaction sequence involving the Knoevenagel condensation of 1,3-indanedione with the corresponding protected salicylaldehyde followed by the Corey–Chaykovsky cyclopropanation of the obtained adduct with dimethylsulfoxonium methylide. The structure of the synthesized cyclopropane was unambiguously proved by single-crystal X-ray diffraction data.