CCK-A receptorantagonist activities of these compounds were evaluated by investigation of their affinities for human gastrin/CCK-B receptors and human CCK-A receptors, respectively. It was found that N-methyl-N-phenyl-2-[2-[N-(N-methyl-N-phenyl-carbamoylmethyl)-N-[2 -[3-(3- methylphenyl)ureido]acetyl]amino]phenoxy]acetamide (20k, DZ-3514) exhibited high affinity for gastrin/CCK-B receptors and high
[EN] PHARMACEUTICALLY ACTIVE DERIVATIVES OF GLUTAMIC AND ASPARTIC ACIDS
申请人:ROTTA RESEARCH LABORATORIUM S.P.A
公开号:WO1987003869A2
公开(公告)日:1987-07-02
(EN) New original derivates of D,L-glutamic acid and D,L-aspartic acid having formula (I), where n is 1 or 2, R1 is a mono- or di-substituted phenyl group substituted with halogens such as chlorine and fluorine or with a methyl group in the 3 and 4 positions and in which R2 consists of a linear or branched alkyl group with 4 to 7 carbon atoms (preferably a pentyl group) and R3 is an alkyl group having 3 to 6 carbon atoms overall and containing an oxygen atom in the form of an ether linkage, such as for example the groups 2-ethoxyethyl, 3-methoxypropyl, 3-ethoxypropyl etc. or in the form of a hydroxyl group such as for example 3-hydroxypropyl etc. The compounds have antagonistic activity towards bio-active polypeptydes and are usable particularly in the treatment of illnesses of the digestive tract, or the central nervous system and anorexia and of all those affections (for example tumours) in which exogenic or endogenic bio-active polypeptydes are involved.(FR) Nouveaux dérivés d'acides D,L-glutamiques et d'acides D,L-aspartiques de formule (I) dans laquelle n vaut 1 ou 2, R1 est un groupe phényle monosubstitué ou bisubstitué par des halogènes tels que du chlore et du fluore ou par un groupe méthyle dans les positions 3 et 4, et R2 est constitué d'un groupe d'alkyle linéaire ramifié comportant de 4 à 7 atomes de carbone (de préférence un groupe pentyle), et R3 est un groupe alkyle possédant de 3 à 6 atomes de carbone au total et contenant un atome d'oxygène sous forme d'une liaison d'éther, comme par exemple les groupes 2-éthoxyéthyle, 3-méthoxypropyle, 3-éthoxypropyle etc ou sous forme d'un groupe hydroxyle tel que par exemple 3-hydroxypropyle etc. Ces composés présentent une activité antagoniste vis-à-vis des polypeptides bio-actifs et s'utilisent en particulier dans le traitement des maladies des voies digestives, du système nerveux central et de l'anorexie et de toutes les affections (tumeurs par exemple) dans lesquelles sont impliqués des polypeptides bio-actifs exogènes ou endogènes.
Optically-active derivatives of (R) 5-pentylamino-5-oxopentanoic acid
申请人:Rotta Research Laboratorium SpA
公开号:US05130474A1
公开(公告)日:1992-07-14
There are described optically active derivatives (R) 5-pentylamino-5-oxopentanoic acid and their pharmaceutically acceptable salts, having antagonistic activity towards cholecystokinin, and with the formula: ##STR1## in which R.sub.1 is selected from the groups 2-naphthyl, 3,4-dichlorobenzoyl and 3,4-dimethylbenzoyl and R.sub.2 is a pentyl group or an alkoxyalkyl group with 4 carbon atoms, and in which the substituents on the central chiral group (marked with an asterisk in Formula (I)), have the R (rectus) conformation.
Naphthysulfonylalkanoic acid compounds and pharmaceutical compositions
申请人:Kissei Pharmaceutical Co., Ltd.
公开号:US05177069A1
公开(公告)日:1993-01-05
The present invention provides a novel class of naphthylsulfonylalkanoic acid compounds such as a structure corrresponding to the formula: ##STR1## or a pharmaceutically acceptable salt thereof. A present invention naphthylsulfonylalkanoic acid compound is useful for prevention or treatment of irritable bowel syndrome, biliary dyskinesia and acute pancreatitis.