| 发明名称 |
PROCESS FOR THE PREPARATION OF 4-(3-METHYL-2-BUTENYL)- 1, 2-DIPHENYL-3, 5-DIOXOPYRAZOLIDINE |
| 摘要 |
<p>New process for the preparation of 4-(3-methyl-2-butenyl)-1,2-diphenyl-3,5-dioxopyrazolidine (Feprazone) which comprises reacting 3-methyl-2-butenyl acetate with an alkali metal salt of1,2-diphenyl-3,5-dioxopyrazolidine in the presence of a catalyst, preferably a palladium complex, and a ligand.</p> |
| 申请公布号 |
CA1179354(A) |
申请公布日期 |
1984.12.11 |
| 申请号 |
CA19820414428 |
申请日期 |
1982.10.28 |
| 申请人 |
ISTITUTO DE ANGELI S.P.A. |
发明人 |
DONETTI, ARTURO;QUINTERO, MYRNA G. |
| 分类号 |
C07D231/22;A61K31/415;A61P29/00;B01J31/00;C07B61/00;C07D231/34;C07D241/34;(IPC1-7):C07D231/34 |
主分类号 |
C07D231/22 |
| 代理机构 |
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