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An alpha,omega-dicarboxylic acid in which the two carboxy groups are separated by a single methylene group.
References
PubChem Literature
From Data Sources
• Knoevenagel condensation with aldehydes yields substituted acrylic (e.g. cinnamic) acids; review: Org. React., 15, 204 (1967). For an example of the Doebner modification, using pyridine as solvent/base, see: Org. Synth. Coll., 3, 425 (1955); a catalytic amount of piperidine often gives superior results; see, e.g.: Org. Synth. Coll., 4, 327 (1963).