公开(公告)号：US12297174B2

公开(公告)日：2025-05-13

申请号：US17613677

申请日：2020-05-24

Applicant: BASF SE

Inventor： Thomas Heydt ,  Michael Schmitt ,  Alvaro Gordillo Bolonio ,  Andrei-Nicolae Parvulescu ,  Ulrich Mueller ,  Michael Kuebler

IPC: C07D211/74

Abstract: The present invention relates to a process for the production of 2,2,6,6-tetramethyl-4-piperidone particularly comprising (i) providing a reactor containing a catalyst comprising a zeolitic material having a framework structure of FAU, wherein the zeolitic material comprises YO2 and X2O3 in its framework structure, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material has an YO2 to X2O3 molar ratio of 16 to 175; (ii) preparing a reaction mixture comprising acetone and ammonia; (iii) contacting the catalyst in the reactor with the reaction mixture prepared in (ii) at a temperature in the range of from 40 to 250° C. for obtaining a reaction product comprising 2,2,6,6-tetramethyl-4-piperidone; wherein the mixture prepared in (ii) and contacted with the catalyst in (iii) contains less than 10 weight-% of water based on 100 weight-% of the reaction mixture.