83215-17-2Relevant academic research and scientific papers
TRINUCLEAR INTERMEDIATES IN ANILINE-FORMALDEHYDE CONDENSATION
Ringel', Kh.,Popov, L.K.,Ushakova, M.B.
, p. 882 - 885 (2007/10/02)
The trinuclear intermediate products 4-(4-anilinomethylanilinomethyl)aniline and 4-aniline were isolated and identified by TLC during investigation of the aniline-formaldehyde condensation in the presence of acidic catalysts.The transformation of these compounds and of 4-anilinomethylaniline in methanol and under the conditions of acid aniline-formaldehyde condensation and rearrangement are described.It was established that the fromation of polyamines is possible not only as a result of the initial reaction of the final diamines with formaldehyde but also of the reaction of protonated anilinomethylanilines with aromatic amines present in the reaction mixture.
