Process for preparing an N-methyl-substituted triacetonamine compound

US9617245B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Jochen Niemeyer · Hachenburg, DE
• Benjamin Willy · Goldkronach, DE
• Felix Nissen · Nottuln, DE
• Manfred Neumann · Marl, DE
• Guenter Kreilkamp · Marl, DE
• Sabine Schering · Schermbeck, DE

Key dates

• Filing date: Jan 22, 2016
• Grant date: Apr 11, 2017
• Expiry date: Jan 22, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D211/74
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An N-methyl-substituted triacetonamine compound is prepared by reacting at least one triacetonamine compound (I) with formaldehyde under reductive conditions, in the presence of hydrogen and in the presence of a supported catalyst, wherein the supported catalyst contains at least one metal M, wherein the metal M is selected from the group consisting of V, Cr, Mo, Mn, Ni, Pd, Pt, Fe, Ru, Os, Co, Rh, Ir, and Cu.