发明名称 |
PROCESS FOR MAKING TETRAHYDROISOALPHA ACIDS |
摘要 |
A method of preparing tetraphydroisoalpha acids from beta acids wherein undesired impurities are removed. Beta acids are hydrogenated in a (C1-C6)alkanol oxidized and isomerized to produce tetrahydroisoalpha acids. The improvement comprises using a high boiling point solvent to remove the (C1-C6)alkanoyl by azeotrope prior to isomerization.
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申请公布号 |
WO9600774(A1) |
申请公布日期 |
1996.01.11 |
申请号 |
WO1995IB00394 |
申请日期 |
1995.05.22 |
申请人 |
PFIZER INC.;HAY, BRUCE, A. |
发明人 |
HAY, BRUCE, A. |
分类号 |
C12C3/12;(IPC1-7):C12C3/12 |
主分类号 |
C12C3/12 |
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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