| 发明名称 |
PROCESS FOR THE PREPARATION OF 4-(4'-CHLOROBIPHENYL-4-YL)-4-KETO-2-METHYLENEBUTYRIC ACID |
| 摘要 |
Process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4-keto-2-methylenebutyric acid The invention relates to a process for the preparation of 4-(4'-chlorobiphenyl-4-yl)-4-keto-2-methylenebutyric acid of the formula (I) by Friedel-Crafts acylation of 4-chlorobiphenyl with itaconic anhydride, which comprises carrying out the Friedel-Crafts acylation in aromatic solvents at a temperature from -20 to +80.degree.C.
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| 申请公布号 |
CA2279637(A1) |
申请公布日期 |
2000.02.05 |
| 申请号 |
CA19992279637 |
申请日期 |
1999.08.04 |
| 申请人 |
CLARIANT GMBH |
发明人 |
ERBES, MICHAEL;HABER, STEFFEN;COSMO, ROBERT;NOERENBERG, ANTJE;PRESSLER, WILFRIED;MEUDT, ANDREAS |
| 分类号 |
B01J27/125;C07B61/00;C07C51/31;C07C51/353;C07C59/84;(IPC1-7):C07C59/88;C07C51/373 |
主分类号 |
B01J27/125 |
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