发明名称 PROCEDIMIENTO DE OBTENCION DE ESTERES (NITROXIMETIL)FENILO DE DERIVADOS DE ACIDOS SALICILICOS.
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 ES2228551(T3) 申请公布日期 2005.04.16
申请号 ES20000942111T 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
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