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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.