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公开(公告)号：AT75726T
公开(公告)日：1992-05-15
申请号：AT89105009
申请日：1989-03-21
Applicant: HOECHST AG
Inventor： RITTER EBERHARD DR , KRIEG CLAUS-PETER DR , KEIL DETLEV DR
IPC: C07C249/00 , C07C249/12 , C07C251/34
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公开(公告)号：DE58901307D1
公开(公告)日：1992-06-11
申请号：DE58901307
申请日：1989-03-21
Applicant: HOECHST AG
Inventor： RITTER EBERHARD DR , KRIEG CLAUS-PETER DR , KEIL DETLEV DR
IPC: C07C249/00 , C07C249/12 , C07C251/34
Abstract: Process for the preparation of 4-halo-3-oxo-2-alkoxyiminobutyric acid esters by solvent-free halogenation of the liquid substrate of a 3-oxo-2-alkoxyiminobutyric acid ester with elemental halogen.
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公开(公告)号：DE3809845A1
公开(公告)日：1989-10-12
申请号：DE3809845
申请日：1988-03-24
Applicant: HOECHST AG
Inventor： RITTER EBERHARD DR , KRIEG CLAUS-PETER DR , KEIL DETLEV DR
IPC: C07C249/00 , C07C249/12 , C07C251/34
Abstract: Process for the preparation of 4-halo-3-oxo-2-alkoxyiminobutyric acid esters by solvent-free halogenation of the liquid substrate of a 3-oxo-2-alkoxyiminobutyric acid ester with elemental halogen.
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