| 发明名称 | Process for the preparation of Deferasirox | ||
| 摘要 | The present invention provides improved process for the preparation of Deferasirox of formula (I). | ||
| 申请公布号 | US9018389(B2) | 申请公布日期 | 2015.04.28 |
| 申请号 | US201113988361 | 申请日期 | 2011.11.04 |
| 申请人 | Alembic Pharmaceuticals, Ltd. | 发明人 | Raman Jayaraman Venkat;Shah Hiral |
| 分类号 | C07D249/08 | 主分类号 | C07D249/08 |
| 代理机构 | McAndrews Held & Malloy, Ltd. | 代理人 | McAndrews Held & Malloy, Ltd. |
| 主权项 | 1. A method for preparing Deferasirox comprising the step of: treating 2-(2-hydroxyphenyl)benz[e][1,3]oxazin-4-one with 4-hydrazinobenzoic acid in the presence of potassium hydrogen sulfate, sodium hydrogen sulfate, or a mixture thereof, a suitable solvent, and optionally in the presence of water. | ||
| 地址 | Gujarat, Vadodara IN | ||