| 发明名称 |
Process for pyridyl-benzopyrans |
| 摘要 |
Process for pyridyl-benzopyrans Title compds. (I) showing CNS- and cardiovascular activity are prepd. in good yields by reacting a compd. (II) with R'Mg Hal at 50 degrees C in an inert solvent esp. ether. (where R' is 1-6C alkyl and R2 is 1 - 20C alkyl or cycloalkyl).
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| 申请公布号 |
CH538504(A) |
申请公布日期 |
1973.06.30 |
| 申请号 |
CH19700015223 |
申请日期 |
1970.10.15 |
| 申请人 |
BEECHAM GROUP LIMITED |
发明人 |
MELTON,TIMOTHY;WILLIAM TICKLE,RICHARD |
| 分类号 |
A61K31/35;A61K31/44;C07D405/04;C07F9/58;C07F9/655;(IPC1-7):C07D99/04 |
主分类号 |
A61K31/35 |
| 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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