发明名称 |
Process for obtaining 1, 2, 3, 5, 6, 7, 8, 8a-oltahydro-1, 2, 8, 8tetramethylnaphthalen-2-yl]etan-1-one |
摘要 |
A process for obtaining Ketone of formula 1a,b, which includes contacting a Ketone represented by formula 2a,b with a first catalyst under conditions and for a time sufficient to obtain an intermediate mixture, which intermediate mixture contains a Ketone represented by formula 4a,b; and contacting the intermediate mixture, or a fraction thereof, with a second catalyst under conditions effective to provide a product containing a Ketone of formula 1a,b. Moreover, the first catalyst preferably differs from the second catalyst with the first catalyst preferably being an isomerization catalyst and the second catalyst being a cyclization catalyst. The process is capable of providing unexpectedly incresased yields of both Ketone 4 and Ketone 1. |
申请公布号 |
AU3479501(A) |
申请公布日期 |
2001.08.27 |
申请号 |
AU20010034795 |
申请日期 |
2001.02.02 |
申请人 |
MILLENNIUM SPECIALTY CHEMICALS, INC. |
发明人 |
MARK B. ERMAN;MELISSA J. WILLIAMS;CARLOS G. CARDENAS |
分类号 |
C07C45/61;B01J27/053;C07B53/00;C07B61/00;C07C45/66;C07C45/67;C07C45/82;C07C45/85;C07C49/533;C07C49/553;C07C49/593;C11B9/00 |
主分类号 |
C07C45/61 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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