专利详细信息
| 专利号 |
 |
| 专利标题 | Process for the preparation, of 2-(2-hydroxyphenyl)-benz [1, 3] oxazin-4-one and its use for preparation of 4-[3, 5-bis (2-hydroxyphenyl)-lH-l , 2, 4-triazolTl-yl] benzoic acid |
| 专利权人 | DAVULURI RAMAMOHAN RAO [US];PONNAIAH RAVI [IN];BATTHNI GURUSWAMY [IN];MEDIDA CHANDRA MURTHY V R [IN];DUMMU SANTHOSH [IN]; |
| 发明人 | DAVULURI RAMAMOHAN RAO [US];PONNAIAH RAVI [IN];BATTHNI GURUSWAMY [IN];MEDIDA CHANDRA MURTHY V R [IN];DUMMU SANTHOSH [IN]; |
| 申请号 | US201113819452 |
| 申请日 | 2011/8/23 |
| 公开日 | 2013/12/19 |
| 优先权号 | |
| IPC | C07D265/22; |
| 专利类型 | |
| 法律状态查询 | 查看法律状态 |
The invention provides a novel process for the synthesis of 2-(2-hydroxyphenyl)-benz[1,3]oxazin-4-one, the process comprising of reacting the salicylic acid with salicylamide in the presence of p-toluenesulfonyl chloride, base and solvent. The use of 2-(2-hydroxyphenyl)-benz[1,3]oxazin-4-one in the preparation of Deferasirox is also disclosed in the invention.
没有相关的数据
没有相关的数据
暂无附图
注：除CN专利外，本系统默认提供的所有其他中文标题和摘要来自机器翻译。
上传
编辑
标注(0)
下载专利全文
收藏