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公开(公告)号:BG28710A3
公开(公告)日:1980-06-16
申请号:BG3948878
申请日:1978-04-20
Applicant: BASF AG
IPC: C07D295/04
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公开(公告)号:DE1297597B
公开(公告)日:1969-06-19
申请号:DEB0093850
申请日:1967-08-08
Applicant: BASF AG
IPC: C07C20060101 , C07C69/145
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公开(公告)号:DE1286018B
公开(公告)日:1969-01-02
申请号:DEB0091038
申请日:1967-02-04
Applicant: BASF AG
IPC: C07C45/67 , C07C49/20 , C07C403/00
Abstract: Production of beta -ionone by reaction of 3,7-dimethylocten-(7)-yn-(1)-ol-(3) with a lower alkanol ester of acetoacetic acid at a temperature of from 100 DEG to 400 DEG C and treating the reaction mixture with an acid catalyst at a temperature of from 100 DEG to 400 DEG C and cyclizing the 6,10-dimethylundecatrien-(3,5,10)-one-(2) obtained by contacting with concentrated sulfuric acid at temperatures of from -30 to +20 DEG C.
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公开(公告)号:DE1300726B
公开(公告)日:1969-08-07
申请号:DEB0084008
申请日:1965-10-06
Applicant: BASF AG
Inventor: POMMER , HEINRICH DR ERNST , WEISS , GUENTHER DR , SCHULZE , GERHARD DR
IPC: A01N47/04
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公开(公告)号:DE1296642B
公开(公告)日:1969-06-04
申请号:DEB0083963
申请日:1965-10-01
Applicant: BASF AG
Inventor: KOENIG , KARL-HEINZ DR , POMMER , HORST DR
IPC: C07C227/08
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公开(公告)号:DE1286020B
公开(公告)日:1969-01-02
申请号:DEB0095456
申请日:1967-11-17
Applicant: BASF AG
Inventor: POMMER , HORST DR , MUELLER , HERBERT DR , OVERWIEN , HERMANN DR
IPC: C07C45/71 , C07C49/203
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