Patent ID: 9617245
Date: 2017-04-11
CPC Classifications: C07D

Claim:
1. A process for preparing at least one N-methyl-substituted triacetonamine compound, comprising: reacting at least one triacetonamine compound (I) with formaldehyde under reductive conditions, wherein the reductive conditions comprise reacting the at least one triacetonamine compound (I) with formaldehyde in the presence of hydrogen and a supported catalyst comprising at least one metal M selected from the group consisting of V, Cr, Mo, Mn, Ni, Pd, Pt, Fe, Ru, Os, Co, Rh, Ir, and Cu, and the triacetonamine compound (I) is selected from the group consisting of the chemical structures (I-B), (I-C), (I-D), (I-E), (I-F), (I-G), and (I-H) wherein n wherein p wherein X wherein X wherein X wherein Y and wherein Y and wherein Z wherein the R wherein the R and wherein, —NR and wherein, —NR and wherein the —NR wherein the chemical structure (x) is: wherein K wherein the R wherein the R and with the proviso that R wherein X