发明名称 |
PROCEDIMENTO PER OTTENERE NITROSSIMETIL FENIL ESTERNI DI DERIVATI DELL 'ACIDO SALICILICO |
摘要 |
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. |
申请公布号 |
ITMI991517(D0) |
申请公布日期 |
1999.07.09 |
申请号 |
IT1999MI01517 |
申请日期 |
1999.07.09 |
申请人 |
NICOX S.A. |
发明人 |
CASTALDI GRAZIANO;BENEDINI FRANCESCA;OLDANI ERMINIO;RAZZETTI GABRIELE |
分类号 |
C07C67/14;C07C69/90;C07C201/02;C07C203/04 |
主分类号 |
C07C67/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|