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1.Catalytic oxidation of alkyl-substituted hydroquinones to the corresponding p-benzoquinones 失效
Title translation: 将烷基取代的氢氯化物催化氧化成相应的对苯二酚公开(公告)号:US3663578A
公开(公告)日:1972-05-16
申请号:US3663578D
申请日:1970-04-01
Applicant: BASF AG
Inventor: KUTEPOW NIKOLAUS VON , MAGIN AUGUST , JOSCHEK HANS-INGO
CPC classification number: C07C46/08
Abstract: AIR OXIDATION OF ALKYL-SUBSTITUTED HYDROQUINONES IN THE PRESENCE OF HEAVY METAL SALTS AS CATALYSTS IN A LIQUID MIXED PHASE CONSISTING OF AN AQUEOUS PHASE AND AN ORGANIC PHASE. THE AQUEOUS PHASE CONTAINS DISSOLVED CATALYST AND ADDITIVES FOR SETTING UP A PH BELOW 7, AND THE ORGANIC PHASE IS A SELECTIVE SOLVENT FOR THE ALKYL-SUBSTITUTED PBENZOQUINONE FORMED IN THE OXIDATION. THE PROCESS ENABLES 2,3,6-TRIMETHYLHYDROQUINONE, AN IMPORTANT INTERMEDIATE IN THE SYNTHESIS OF VITMIN E, TO BE SEPARATED FROM MIXTURES OF METHYL-SUBSTITUTED HYDROQUINONES.
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公开(公告)号:US3394193A
公开(公告)日:1968-07-23
申请号:US3394193D
Applicant: BASF AG
Inventor: REPPE WALTER , MAGIN AUGUST
IPC: C07C37/11
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公开(公告)号:DE894558C
公开(公告)日:1953-10-26
申请号:DEP0012373
申请日:1948-10-02
Applicant: BASF AG
Inventor: REPPE WALTER DR , MAGIN AUGUST
IPC: C07C233/00
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公开(公告)号:DE870698C
公开(公告)日:1953-03-16
申请号:DEB0007307
申请日:1944-05-26
Applicant: BASF AG
Inventor: REPPE WALTER DR , MAGIN AUGUST
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公开(公告)号:DE849693C
公开(公告)日:1952-09-18
申请号:DEP0012369
申请日:1948-10-02
Applicant: BASF AG
Inventor: REPPE WALTER DR , MAGIN AUGUST
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公开(公告)号:DE1952652A1
公开(公告)日:1971-04-29
申请号:DE1952652
申请日:1969-10-18
Applicant: BASF AG
Inventor: VON DR KUTEPOW NIKOLAUS , MAGIN AUGUST , JOSCHEK HANS-INGO DR
IPC: C07C46/08
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公开(公告)号:DE1215139B
公开(公告)日:1966-04-28
申请号:DEB0070965
申请日:1963-03-02
Applicant: BASF AG
Inventor: REPPE DR WALTER , MAGIN AUGUST
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公开(公告)号:DE1076130B
公开(公告)日:1960-02-25
申请号:DEB0049949
申请日:1958-08-13
Applicant: BASF AG
Inventor: REPPE DR WALTER , MAGIN AUGUST
IPC: C07F5/02
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公开(公告)号:DE880297C
公开(公告)日:1953-06-22
申请号:DEP0012370
申请日:1948-10-02
Applicant: BASF AG
Inventor: REPPE WALTER DR , MAGIN AUGUST
IPC: C07C45/49
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公开(公告)号:CA787971A
公开(公告)日:1968-06-18
申请号:CA787971D
Applicant: BASF AG
Inventor: MAGIN AUGUST , REPPE WALTER
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