Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
    1.
    发明公开
    Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine 失效
    Verfahren zur Herstellung von 2,2,6,6, - 四甲基-4-氧代哌啶。

    公开(公告)号:EP0325014A1

    公开(公告)日:1989-07-26

    申请号:EP88300460.8

    申请日:1988-01-20

    申请人: ICI AMERICAS INC.

    IPC分类号: C07D211/74

    CPC分类号: C07D211/74

    摘要: 2,2,6,6-tetramethyl-4-oxopiperidine is prepared from acetone and ammonia in the presence of catalytic amounts of active halogen compounds selected from sulfonylhalides, sulfurylhalides, N-haloamides, N-haloimides, β-haloesters, α-haloketones, α-halo­hydroxy compounds, and β-halonitriles.

    摘要翻译: 2,2,6,6-四甲基-4-氧代哌啶由丙酮和氨在催化量的选自磺酰卤,磺酰卤,N-卤代酰胺,N-卤代酰亚胺,β-卤代酯,α-卤代酮的活性卤素化合物的存在下制备 ,α-卤代羟基化合物和β-卤代腈。