| 发明名称 |
A PROCESS FOR OBTAINING (NITROXYMETHYL)PHENYL ESTERS OF SALICYLIC ACID DERIVATIVES |
| 摘要 |
<p>A process for obtaining (nitroxymethyl)phenyl esters of salicylic acid derivatives of formula (I) wherein R1 is the OCOR3 group characterized in that it comprises the following steps: a) reaction of a halide of a salicylic acid derivative with hydroxybenzylacohol in the presence of a base: b) nutration of the obtained product in anhydrous conditions by a mixture of nitric acid with a different inorganic acid, or an organic acid, or an anhydride of one or two organic acids: c) recovery of the final product.</p> |
| 申请公布号 |
EP1194397(B1) |
申请公布日期 |
2004.09.22 |
| 申请号 |
EP20000942111 |
申请日期 |
2000.06.21 |
| 申请人 |
NICOX S.A. |
发明人 |
CASTALDI, GRAZIANO;OLDANI, ERMINIO;RAZZETTI, GABRIELE;BENEDINI, FRANCESCA |
| 分类号 |
C07C67/14;C07C69/90;C07C201/02;C07C203/04;(IPC1-7):C07C203/04 |
主分类号 |
C07C67/14 |
| 代理机构 |
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