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公开(公告)号:US3998851A
公开(公告)日:1976-12-21
申请号:US591994
申请日:1975-06-30
Applicant: Paul H. Reichenbacher , Theresa M. Forsythe , Allen K. Sparks
Inventor: Paul H. Reichenbacher , Theresa M. Forsythe , Allen K. Sparks
IPC: C07D311/10
CPC classification number: C07D311/10 , Y02P20/582
Abstract: Coumarin compounds may be produced by the conversion of o-hydroxycinnamates or o-hydroxycinnamic acids in the presence of catalysts comprising compounds containing metals of Group VIII of the Periodic Table.
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公开(公告)号:US4038325A
公开(公告)日:1977-07-26
申请号:US625290
申请日:1975-10-23
Applicant: Michael Martan , Paul H. Reichenbacher
Inventor: Michael Martan , Paul H. Reichenbacher
IPC: C07C41/00
CPC classification number: C07C41/32
Abstract: Cis-anethole is isomerized to the trans-anethole form thereof by treatment with a rhodium-containing compound such as rhodium chloride in an alcoholic medium at the reflux temperature of said medium to form the desired trans isomer.
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公开(公告)号:US3935234A
公开(公告)日:1976-01-27
申请号:US384999
申请日:1973-08-02
Applicant: Paul H. Reichenbacher , Theresa M. Forsythe , Allen K. Sparks , Ted Symon
Inventor: Paul H. Reichenbacher , Theresa M. Forsythe , Allen K. Sparks , Ted Symon
IPC: C07D311/10 , C07F15/00 , C07D311/06 , C07C65/02 , C07C69/76
CPC classification number: C07F15/0013 , C07D311/10 , Y02P20/582
Abstract: Metal-containing catalyst compounds which are soluble in reaction mediums are maintained in the desired soluble form during an alternate oxidation and reduction process by utilizing an inert solid material in the reaction mixture.
Abstract translation: 在交替的氧化和还原过程中,通过在反应混合物中使用惰性固体物质,可溶于反应介质的含金属的催化剂化合物保持在所需的可溶形式。
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