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Struktur und Entstehung des farbigen Simon-Awe-Komplexes

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Wiegrebe, Wolfgang ; Vilbig, M.
Date of publication of this fulltext: 24 Jun 2010 04:47


A nice blue colour arises from acetaldehyde, Na2[Fe(CN)5NO] • 2 H 2 0 and piperidine
(Simon-Awe Reaction). Structure elucidation of the blue material (leading to 1) by
combustion analysis, ligand exchange to [Fe(CN)e]4-, reduction to β-aminoethanol and
hydrolysis to glyoxal are described. - The blue complex does not contain the amine moiety
but is formed via an enamine, an colourless immoniumsalt 2 and its hydrolysis to 1. -
Loach's experiments are re-evaluated.

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