It has been known for some time that amines catalyze the condensation between phenols and formaldehyde to form resins. The mechanism of this reaction is still obscure. When phenols are condensed with molecular equivalents each of formaldehyde and secondary amines, such as dimethylamine or piperidine, tertiary amines are formed.'Decombe has shown that the products thus obtained are, without doubt, o-hydroxybenzylamino ...