[EN] NOVEL DERIVATIVES OF MESALAZINE, PROCESS OF THEIR PREPARATION AND THEIR USE IN THE TREATMENT OF INTESTINAL INFLAMMATORY DISEASES<br/>[FR] NOUVEAUX DÉRIVÉS DE MÉSALAZINE, LEUR PROCÉDÉ DE PRÉPARATION ET LEUR UTILISATION POUR LE TRAITEMENT DE MALADIES INFLAMMATOIRES INTESTINALES
申请人:SOFAR SPA
公开号:WO2011148297A1
公开(公告)日:2011-12-01
The present invention refers to the compounds corresponding to the following general formula (I): (I) wherein: R = C4-C8 alkanoyl; and X = NH-R1 where R1 = H, or an amine protecting group; and/or the pharmaceutically acceptable salts thereof. Preferred compounds according to the present invention are represented by the following formula (Ia): (Ia) wherein: R = C4-C8 alkanoyl; and/or the pharmaceutically acceptable salts thereof. In a preferred embodiment, an object of the present invention is to provide 5-amino-2- (butyryloxy)benzoic acid and/or the pharmaceutically acceptable salts thereof, preferably hydrochloride salt. A further object of the present invention is represented by the use of the compounds of formula (la), in particular 5-amino-2-(butyryloxy)benzoic acid and/or pharmaceutically acceptable salts thereof, as a medicament and by the use thereof for the treatment of intestinal inflammatory diseases. The present invention also regards the synthesis processes to obtain such compounds and some intermediate compounds of said synthesis processes.
NOVEL DERIVATIVES OF MESALAZINE, PROCESS OF THEIR PREPARATION AND THEIR USE IN THE TREATMENT OF INTESTINAL INFLAMMATORY DISEASES
申请人:LABRUZZO Carla
公开号:US20130079399A1
公开(公告)日:2013-03-28
The present invention refers to the compounds corresponding to the following general formula (I):
wherein:
R═C
4
-C
8
alkanoyl; and
X═NH—R
1
where R
1
═H, or an amine protecting group;
and/or the pharmaceutically acceptable salts thereof.
Preferred compounds according to the present invention are represented by the following formula (Ia):
wherein:
R═C
4
-C
8
alkanoyl;
and/or the pharmaceutically acceptable salts thereof.
In a preferred embodiment, an object of the present invention is to provide 5-amino-2-(butyryloxy)benzoic acid and/or the pharmaceutically acceptable salts thereof, preferably hydrochloride salt.
A further object of the present invention is represented by the use of the compounds of formula (Ia), in particular 5-amino-2-(butyryloxy)benzoic acid and/or pharmaceutically acceptable salts thereof, as a medicament and by the use thereof for the treatment of intestinal inflammatory diseases.
The present invention also regards the synthesis processes to obtain such compounds and some intermediate compounds of said synthesis processes.
The aim of this study was to design and synthesize four colon-targeting mutual prodrugs of 5-aminosalicylic acid (5-ASA) and butyrate, and evaluate their therapeutic effects on ulcerative colitis.
[EN] PRODRUG OF AN ANTI-INFLAMMATORY ACTIVE INGREDIENT<br/>[FR] PROMÉDICAMENT D'UN PRINCIPE ACTIF ANTI-INFLAMMATOIRE
申请人:CHEMI SPA
公开号:WO2013007694A1
公开(公告)日:2013-01-17
A process for the preparation of a prodrug of 5-aminosalicylic acid, namely 2-butanoyloxy-5-amino-benzoic acid,and solid forms of such compound are described.
A process for the preparation of a prodrug of 5-aminosalicylic acid, namely 2-butanoyloxy-5-amino-benzoic acid, and solid forms of such compound are described.