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公开(公告)号：DE1286037B
公开(公告)日：1969-01-02
申请号：DEB0088246
申请日：1966-07-29
Applicant: BASF AG
Inventor： HOFFMANN , WALTER DR REINHARD , SCHNEIDER , JOACHIM DR
IPC: C07D219/04 , C07D263/56 , C07D277/64 , C07D311/82 , C07D317/46
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公开(公告)号：DE1288612B
公开(公告)日：1969-02-06
申请号：DEB0074398
申请日：1963-11-26
Applicant: BASF AG
IPC: C07D307/16 , C07D309/04 , C07D309/06
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Patent Agency Ranking
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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：DE1293779B
公开(公告)日：1969-04-30
申请号：DEB0076553
申请日：1964-04-28
Applicant: BASF AG
Inventor： HOFFMANN , WERNER DR , PASEDACH , HEINRICH DR
IPC: C07C17/10 , C07D309/10 , C07D309/20
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