Formation of enamines from ketones/aldehydes and secondary amines
Description: When ketones are treated with secondary amines and heated with an acid catalyst, a condensation reaction occurs, resulting in loss of H2O and formation of an enamine.
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Real-Life Examples:
Org. Synth. 1968, 48, 56
DOI Link: 10.15227/orgsyn.048.0056


Org. Synth. 1961, 41, 65
DOI Link: 10.15227/orgsyn.041.0065


What is the mechanism for the reverse–hydrolysis of enamines?
Agreed. That’s the part I need is how you remove the enamine later.
Is there an H missing in HOSO3 at the end of the mechanism?