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公开(公告)号:BR7903599A
公开(公告)日:1980-01-22
申请号:BR7903599
申请日:1979-06-07
Applicant: HOECHST AG
IPC: C07C49/385 , B01J21/00 , B01J23/00 , C07C45/00 , C07C45/45 , C07C45/65 , C07C49/403 , C07C49/417 , C07C49/657 , C07C67/00 , C07C49/76 , B01J23/90
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公开(公告)号:ZA764582B
公开(公告)日:1977-07-27
申请号:ZA764582
申请日:1976-07-30
Applicant: HOECHST AG
IPC: C07C45/00 , C07C45/45 , C07C49/403 , C07C49/657 , C07C49/713 , C07C67/00 , C07C
Abstract: Cyclohexanediones-1,3 are prepared in a good selectivity by reacting an alpha , beta -unsaturate carboxylic acid ester with a ketone in the liquid phase in the presence of a strong base and a solvent selected from the group consisting of carboxylic acid amides, phosphoric acid amides, sulfoxides, sulfones, and glycol dialkyl ethers.
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公开(公告)号:ZA756604B
公开(公告)日:1976-09-29
申请号:ZA756604
申请日:1975-10-20
Applicant: HOECHST AG
Inventor: MUELLER W , FERNHOLZ H
IPC: C07C37/06 , C07C27/00 , C07C37/00 , C07C39/08 , C07C39/12 , C07C45/45 , C07C67/00 , C07D315/00 , C07C
Abstract: Process for preparing resorcinols from delta -ketocarboxylic acids or their lactones in the gaseous phase at temperatures from 150 DEG 14 500 DEG C by means of a dehydrogenation catalyst.
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公开(公告)号:ZA7506604B
公开(公告)日:1976-09-29
申请号:ZA7506604
申请日:1975-10-20
Applicant: HOECHST AG
Inventor: MUELLER W , FERNHOLZ H
IPC: C07C37/06 , C07C27/00 , C07C37/00 , C07C39/08 , C07C39/12 , C07C45/45 , C07C67/00 , C07D315/00 , C07C
CPC classification number: C07D315/00 , C07C37/00 , C07C45/455 , C07C49/403 , C07C39/08
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公开(公告)号:ZA742951B
公开(公告)日:1975-05-28
申请号:ZA742951
申请日:1974-05-08
Applicant: HOECHST AG
Inventor: MUELLER W
IPC: C07C69/716 , B01J31/00 , C07B61/00 , C07C20060101 , C07C67/02 , C07C69/54 , C07C69/66 , C07C69/738 , C07C69/76 , C07C69/95 , C07C
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公开(公告)号:ZA7402951B
公开(公告)日:1975-05-28
申请号:ZA7402951
申请日:1974-05-08
Applicant: HOECHST AG
Inventor: MUELLER W
IPC: C07C69/716 , B01J31/00 , C07B61/00 , C07C20060101 , C07C67/02 , C07C69/54 , C07C69/66 , C07C69/738 , C07C69/76 , C07C69/95 , C07C
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公开(公告)号:ZA796942B
公开(公告)日:1980-12-31
申请号:ZA796942
申请日:1979-12-20
Applicant: HOECHST AG
IPC: C07C69/716 , B01J31/00 , C07B61/00 , C07C51/00 , C07C51/373 , C07C59/185 , C07C59/205 , C07C67/00 , C07C67/333 , C07C253/00 , C07C255/17 , C07C
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公开(公告)号:BR7604981A
公开(公告)日:1977-08-09
申请号:BR7604981
申请日:1976-07-30
Applicant: HOECHST AG
IPC: C07C45/00 , C07C45/45 , C07C49/403 , C07C49/657 , C07C49/713 , C07C67/00 , C07C49/36
Abstract: Cyclohexanediones-1,3 are prepared in a good selectivity by reacting an alpha , beta -unsaturate carboxylic acid ester with a ketone in the liquid phase in the presence of a strong base and a solvent selected from the group consisting of carboxylic acid amides, phosphoric acid amides, sulfoxides, sulfones, and glycol dialkyl ethers.
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公开(公告)号:ZA7604582B
公开(公告)日:1977-07-27
申请号:ZA7604582
申请日:1976-07-30
Applicant: HOECHST AG
IPC: C07C45/00 , C07C45/45 , C07C49/403 , C07C49/657 , C07C49/713 , C07C67/00 , C07C
CPC classification number: C07C45/455 , C07C49/403
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