| 发明名称 |
NEW PROCESS FOR THE PREPARATION OF 2-CYCLOPENTYL-6-METHOXY-ISONICOTINIC ACID |
| 摘要 |
The present invention relates to new processes for the preparation of 2-cyclopentyl-6-methoxy-isonicotinic acid, which is a useful intermediate for the synthesis of pyridine-4-yl derivatives as immunomodulating agent. Moreover, the present invention also relates to new intermediates used in those processes. |
| 申请公布号 |
US2015133669(A1) |
申请公布日期 |
2015.05.14 |
| 申请号 |
US201314402159 |
申请日期 |
2013.05.21 |
| 申请人 |
ACTELION PHARMACEUTICALS LTD |
发明人 |
Schmidt Gunther |
| 分类号 |
C07C45/67;C07D413/04;C07D213/803;C07D213/79;C07C67/343;C07D213/85 |
主分类号 |
C07C45/67 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A process for the preparation of 1-cyclopentylethanone (3), comprising the conversion of tert.-butyl 1-acetylcyclopentanecarboxylate (2) into 1-cyclopentylethanone (3) by means of acidic hydrolysis. |
| 地址 |
Allschwil CH |
