| 发明名称 |
PROCESS FOR THE PREPARATION OF 2-ACYL-1,3,4,6,7,11B-2H-HEXAHYDRO-4-PYRAZINO(2,1-A)ISOQUINOLINONES AND INTERMEDIATES |
| 摘要 |
2-Acyl-1,3,4,6,7,11b-hexahydro-2H-pyrazino-[2,1-a]-4-isoquinoleinones having anthelmintic activity of the formula <IMAGE> are prepared from 4-acyl-2,6-dioxopierazines by reaction with a phenethyl halide, selective reduction of one of the oxo groups and cyclization, by the novel intermediates of formula <IMAGE> in which Y represents O or H, OH. |
| 申请公布号 |
DE3360328(D1) |
申请公布日期 |
1985.08.08 |
| 申请号 |
DE19833360328 |
申请日期 |
1983.01.07 |
| 申请人 |
SANOFI, SOCIETE DITE: |
发明人 |
FREHEL, DANIEL RESIDENCE LE GRAND RAMIER;MAFFRAND, JEAN-PIERRE |
| 分类号 |
C07D241/06;C07D241/08;C07D471/04;(IPC1-7):C07D471/04 |
主分类号 |
C07D241/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
