Enone

An enone is an unsaturated chemical compound or functional group consisting of a conjugated system of an alkene and a ketone. As an example an enone group is involved in a Knoevenagel condensation

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R_2C=CR-CO-R

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An enone is a cousin of an enamine with the carbonyl replaced by a amine group.

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Unsaturated: REDIRECT Saturation...

Chemical compound: A chemical compound is a chemical substance formed from two or more elements, with a fixed ratio determining the composition. For example, dihydrogen monoxide (water, ) is a compound composed of two hydrogen atoms for every oxygen atom....

Functional group: In ecology functional groups are collections of organisms based on morphological, physiological, behavioral, biochemical, or environmental responses or on trophic criteria....