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Condensation of some ketones with methylene active nitriles in varied stoichiometries
Author(s) -
Fondjo Emmanuel Sopbué,
Döpp Dietrich
Publication year - 2006
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.5570430433
Subject(s) - chemistry , malononitrile , cyclopentanone , diethylamine , knoevenagel condensation , cyclohexanone , methylene , triethylamine , organic chemistry , amine gas treating , condensation , catalysis , physics , thermodynamics
Condensations of some ketones, such as cyclopentanone, cyclohexanone, indan‐1,3‐dione, 2‐acetyl‐1‐naphthol, 1‐acetyl‐2‐naphthol, with some active methylene compounds, such as malononitrile and cyanoacetate, in the presence of amine bases, diethylamine or triethylamine, were studied. The structures of the Knoevenagel condensation products were determined by spectral analyses.