| 发明名称 |
PREPARATION OF CIS-1-HYDROXY-3-SUBSTITUTED-6,6-DIMETHYL-6, 6A-7,8,10,10A-HERAHYDRO-9H-DIBENZO (B,D) PYRAN-9-ONES |
| 摘要 |
Reaction of a 5-substituted resorcinol with a ketal of 4-(1-hydroxy-1-methylethyl)-3-cyclohexen-1-one in the presence of a suitable catalyst effects condensation to provide substantially exclusively a cis-1-hydroxy-3-substituted-6-6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H- dibenzo[b,d]pyran-9-one. |
| 申请公布号 |
AU2668077(A) |
申请公布日期 |
1979.01.04 |
| 申请号 |
AU19770026680 |
申请日期 |
1977.07.01 |
| 申请人 |
LILLY, E. AND CO. |
发明人 |
WILLIAM BEVAN BLANCHARD;CHARLES WILBUR RYAN |
| 分类号 |
A61K31/352;C07D311/74;C07D311/80;C07D317/72;C07D319/06;C07D319/08 |
主分类号 |
A61K31/352 |
| 代理机构 |
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