发明授权
US5473085A Production of (-)dodecahydro-3a,6,6,9a-tetramethyl-naphtho[2,1-b] furan
失效
( - )十二氢-3a,6,9,9-四甲基 - 萘并[2,1-b]呋喃的生产
- 专利标题: Production of (-)dodecahydro-3a,6,6,9a-tetramethyl-naphtho[2,1-b] furan
- 专利标题(中): ( - )十二氢-3a,6,9,9-四甲基 - 萘并[2,1-b]呋喃的生产
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申请号: US314507申请日: 1994-09-28
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公开(公告)号: US5473085A公开(公告)日: 1995-12-05
- 发明人: Derek H. R. Barton , Dennis K. Taylor , Chi-Lam Tse
- 申请人: Derek H. R. Barton , Dennis K. Taylor , Chi-Lam Tse
- 申请人地址: NLX Vlaardingen
- 专利权人: Quest International B.V.
- 当前专利权人: Quest International B.V.
- 当前专利权人地址: NLX Vlaardingen
- 主分类号: C07D307/92
- IPC分类号: C07D307/92
摘要:
Preparation of a methyl ketone intermediate useful in the synthesis of (-)-dodecahydro-3a,6,6, 9a-tetramethyl-naphtho(2,1-b) furan by subjecting (-)-sclareol to ozonolysis in the presence of iodine or iodine-containing compound. The intermediate can be converted to (-)-dodecahydro-3a,6,6,9a-tetramethyl-naphtho(2,1-b) furan by Baeyer-Villiger oxidation followed by reduction of the resulting product in the presence of a Lewis acid.
公开/授权文献
- US4416556A Type carrier for use in impact-type printing machines 公开/授权日:1983-11-22
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