Title:
【発明の名称】サリチル酸誘導体の(ニトロキシメチル)フェニルエステルを得るための方法
Document Type and Number:
Japanese Patent JP2003504352
Kind Code:
A
Abstract:
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.
Inventors:
Cataldi, Graziano
Ordani, Erminio
Gabriel, Razzetti
Benedini, Francesca
Ordani, Erminio
Gabriel, Razzetti
Benedini, Francesca
Application Number:
JP2001509694A
Publication Date:
February 04, 2003
Filing Date:
June 21, 2000
Export Citation:
Assignee:
Nicox SA
International Classes:
C07C67/14; C07C69/90; C07C201/02; C07C203/04; (IPC1-7): C07C201/02; C07C203/04
Domestic Patent References:
| JPH11514636A | 1999-12-14 | |||
| JPH11504906A | 1999-05-11 | |||
| JPH06166657A | 1994-06-14 | |||
| JPH0881419A | 1996-03-26 |
Other References:
JPN6010021216, 第４版 実験化学講座 ２０, ｐ．２６７−２６９ （１９９２）．
Attorney, Agent or Firm:
Shintaro Nogawa