n. Any of a class of unsaturated nitrogen compounds, having the general formula R2C=C(R)-NR2, prepared by the condensation reaction of an aldehyde or ketone with an secondary amine; they are the tautomeric forms of imines.
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n. an amine containing the double bond linkage -C=C-N-
Word Usage
"At exactly the same moment, the organic catalyst interacts with the aldehyde, forming an enamine, also an activated unstable molecule."