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- W2038861004 abstract "Eintopf-Michael-Additionen-Alkylierungen von Benzylidenmalonsäure-diethylester (1) und (1-Methylpropyliden)cyanessigsäure-ethylester (3) mit Alkalimetallcyanid/Phasentransfer(PT-)Katalysator und Alkylhalogeniden in Halogenkohlenwassestoffen liefern die Verbindungen 2a – f bzw. 4a – d. Bei völliger Abwesenheit von Wasserspuren finden bemerkenswerterweise keine Umsetzungen statt. Durch festes Cyanid/Katalysator ausgelöste dimerisierende Cyclokondensationen von Zimtsäure- oder Methacrylsäure-ethylester führen zu 6 bzw. 8. Applications of Phase-Transfer Catalysis, 31. — Tandem-Nucleophile-Electrophile Additions to Alkenes under Phase-Transfer Catalysis One-pot Michael additions/alkylations of diethyl benzylidenemalonate and ethyl (1-methylpropylidene)cyanoacetate (3) with alkali metal cyanide/phase-transfer (PT) catalyst and alkyl halides in halohydrocarbon solvents yield compounds 2a – f and 4a – d, respectively. It is noteworthy that no conversions occur in the total absence of traces of water. Cinnamates and methacrylates can be cyclo-dimerized by the action of solid cyanide/PT catalyst to give compounds 6 or 8, respectively." @default.
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- W2038861004 date "1985-09-12" @default.
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- W2038861004 title "Anwendungen der Phasentransfer-Katalyse, 31. Tandem-Nucleophil-Elektrophil-Additionen an Alkene unter Phasentransfer-Katalyse" @default.
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- W2038861004 doi "https://doi.org/10.1002/jlac.198519850917" @default.
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