Mannich bases amine exchange reactions

Craig, J. C., Johns, S. R., and Moyle. M., Amine exchange reactions. Mannich bases from primary aliphatic amines and firom amino acids, J. Org. Chem., 28, 2779, 1963. 

M., Syntheses of polymerizable aromatic Mannich bases by means of amine exchange reaction. Rail. Chem. Soc. Jpn.. 51,561,1978. 

Polymerization by Exchange Reaction (Fig. 156) between Mannich Bases and bis-Amines or bis-Thiols to give Polymers 400 (X = N or S, respectively)... 

Ketonic and phenolic Mannich bases react with sec. amines by amine exchange. The process is reversible and occurs without appreciable side reactions.— E a-Dimethylaminomethyl- -naphthol refluxed ca. 

Salts of Mannich bases undergo facile amine exchange and the reaction has been used to synthesize Mannich bases which are imobtainable by the direct Mannich reaction (equation 70). Two... 

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