2-Ethanoyloxy-5-tert-butoxycarbonylaminobenzoic acid 在
乙醚 、 ethyl acetate n-hexane 作用下,
以
trifluoracetic acid-dichloromethane 为溶剂,
反应 0.5h,
以to give 0.65 g (97% yield) of 2-ethanoyloxy-5-aminobenzoic acid as a white solid的产率得到mesalazine
参考文献:
名称:
Tetrafluorobenzyl derivatives and pharmaceutical composition for preventing and treating acute and chronic neurodegenerative diseases in central nervous system containing the same
[EN] BIFUNCTIONAL COMPOUNDS AND USE FOR REDUCING URIC ACID LEVELS<br/>[FR] COMPOSÉS BIFONCTIONNELS ET LEUR UTILISATION POUR RÉDUIRE LES TAUX D'ACIDE URIQUE
申请人:WARRELL RAYMOND P
公开号:WO2015123003A1
公开(公告)日:2015-08-20
Bifunctional compounds that increase uric acid excretion and reduce uric acid production. Methods of using these compounds for reducing uric acid levels in blood or serum, for treating disorders of uric acid metabolism, and for maintaining normal uric acid levels in blood or serum are provided. Pharmaceutical compositions comprising the bifunctional compounds are also provided.
[EN] CYCLOOXYGENASE-2 INHIBITORS<br/>[FR] INHIBITEURS DE CYCLOOXIGENASE-2
申请人:NICOX SA
公开号:WO2004000300A1
公开(公告)日:2003-12-31
Use of compounds of formula (I) or salts thereof for the preparation of COX-2 inhibitor drugs: R-T1-B-Cc0-N(O)s (formula I), for the treatment and/or prophylaxis of inflammatory processes.
[EN] PHENOL DERIVATIVES<br/>[FR] DERIVES DE PHENOL
申请人:NICOX SA
公开号:WO2006015930A1
公开(公告)日:2006-02-16
The present invention relates to the use of a compound of the general formula (I): wherein: n is an integer from 1 to 20; R is H, an halogen atom, a linear or branched (C1-C10)- alkoxy group, an hydroxy group, -CF3, -NHR' wherein R' is H or a linear or branched (C1-C10)-alkyl; or a salt thereof for treating inflammatory disease states or disorders, cardiovascular and/or peripheral vascular diseases.
[EN] TETRAFLUOROBENZYL DERIVATIVES AND PHARMACEUTICAL COMPOSITION FOR PREVENTING AND TREATING ACUTE AND CHRONIC NEURODEGENERATIVE DISEASES IN CENTRAL NERVOUS SYSTEM CONTAINING THE SAME<br/>[FR] DERIVES DE TETRAFLUOROBENZYLE ET COMPOSITION PHARMACEUTIQUE POUR LA PREVENTION ET LE TRAITEMENT DE MALADIES NEURODEGENERATIVES AIGUES ET CHRONIQUES AFFECTANT LE SYSTEME NERVEUX CENTRAL CONTENANT LESDITS DERIVES
申请人:NEUROTECH CO LTD
公开号:WO2004000786A1
公开(公告)日:2003-12-31
The present invention relates to a tetrafluorobenzyl derivative and a pharmaceutical composition for prevention and treatment of acute and chronic neurodegenerative diseases in central nervous system and ophthalmic diseases containing the same. The tetrafluorobenzyl derivative of the present invention can effectively be used to prevent and treat chronic neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease and Huntington's disease, degenerative brain disease such as epilepsy and ischemic brain disease such as stroke.