Abstract:
This invention relates to new tetronic and tetramic acid derivatives with beta-secretase inhibitory activity of formula I: wherein R1, R2, R3, R4, R5, R5′, R6 and R6′ are as defined hereinabove, to processes for their preparation, compositions containing said tetronic and tetramic acid derivatives and their use in the treatment and prevention of diseases modulated by an inhibitor of β-secretase, such as Alzheimer's disease.
Abstract:
Substituted 4-phenyl-pyridine compounds with activity as antagonists of Neurokinin 1 receptors, methods of making these compounds and preparing.
Abstract:
The present invention is concerned with compounds of formula I ##STR1## wherein Z, R.sup.1 and R.sup.2 are as defined herein, as well as their pharmaceutically acceptable salts as therapeutically active substances against central nervous system disorders and for the production of corresponding medicaments.
Abstract:
A method of treating or preventing illnesses caused by a disorder of the dopamine system. The method comprises administering to a host in need of such treatment or prevention an effective amount of a pharmaceutical composition comprising a compound of the formula ##STR1## wherein R.sup.1 and R.sup.3 each independently are hydrogen, aryl, carbamoyl, lower-alkyl-carbonyl, lower-alkyl, halogen, lower-alkyl-carbonyl-amino, lower-alkenyl-carbonyl-amino, amino, arylamino, aryloxy, nitro, aryl-acetyl, lower-alkanoyl-lower-alkyl, alkyl-sulphonyl-amino, ureido or furan-2-yl-carbonyl-amino andR.sup.2 is hydrogen, lower-alkyl, trifluoromethyl, halogen, lower-alkoxy, lower-alkyl-carbonyl or lower-alkyl-carbonyl-amino orR.sup.1 and R.sup.2 together are --OCH.sub.2 O--, --O(CH.sub.2).sub.2 O-- or --(CH.sub.2).sub.3 --,R.sup.4 is hydrogen, halogen, hydroxy, lower-alkyl, lower-alkoxy or nitro,R.sup.5 is hydrogen, halogen or lower-alkoxy,R.sup.6 is hydrogen, lower-alkyl, halogen, hydroxy, amino, lower-alkoxy, trifluoromethyl, nitro or lower-alkyl-carbonyl-amino andR.sup.7 is hydrogen or lower-alky-carbonyl,or a pharmaceutically acceptable salt of a compound of formula I, and a pharmaceutically inert carrier material.
Abstract:
The present invention is a series of compounds formed from phenyl substituted pyridine or benzene derivatives and their pharmaceutically acceptable salts. These compounds have shown high affinity as antagonists to the NK-1 receptor.
Abstract:
This invention relates to new tetronic and tetramic acid derivatives with beta-secretase inhibitory activity of formula I: wherein R1, R2, R3, R4, R5, R5′, R6 and R6′ are as defined hereinabove, to processes for their preparation, compositions containing said tetronic and tetramic acid derivatives and their use in the treatment and prevention of diseases modulated by an inhibitor of β-secretase, such as Alzheimer's disease.
Abstract:
The invention relates to compounds of the formula wherein R1, R2 are independently from each other aryl or heteroaryl, wherein the heteroaryl group contains one or two heteroatoms, selected from N, O, or S, and wherein the aryl or heteroaryl groups are optionally substituted by 1 to 3 substituents, which are independently from each other halogen, CF3, lower alkoxy or lower alkyl; R3 is hydrogen, lower alkyl, —(CH2)nN(R)2, —(CH2)n-heteroaryl or is a —(CH2)n-non aromatic heterocycle, which heterocycles are optionally substituted by halogen, CF3, lower alkoxy or lower alkyl; R4 is ═O, ═N(CH2)nCH3 or ═N(CH2)nN(R)2; R3 and R4 may be together with the N and C atoms to which they are attached the group —CR5═N—N═; R5 is hydrogen, —(CH2)nN(R)2, —(CH2)n-heteroaryl or is a —(CH2)n-non aromatic heterocycle, which heterocycles are optionally substituted by halogen, CF3, lower alkoxy or lower alkyl; R is hydrogen or lower alkyl; n is 0, 1, 2 or 3; and pharmaceutically acceptable acid addition salts and enantiomeric forms thereof. The compounds are useful in the treatment of diseases, related to the NK-1 receptor.
Abstract:
The compounds of the related invention are related to 4-phenyl-pyridine derivatives connected by a bridge containing oxygen or nitrogen to a phenyl derivative.
Abstract:
The invention relates to compounds of the formula wherein R is hydrogen, lower alkyl, lower alkoxy, halogen or trifluoromethyl; R1 is hydrogen or halogen; or R and R1 may be together —CH═CH—CH═CH—; R2 is hydrogen, halogen, trifluoromethyl, lower alkoxy or cyano; R3 is hydrogen, lower alkyl or form a cycloalkyl group; R4 is hydrogen, —N(R5)2, —N(R5)S(O)2-lower alkyl, —N(R5)C(O)R5 or a cyclic tertiary amine of the group R5 is, independently from each other, hydrogen, C3-6-cycloalkyl, benzyl or lower alkyl; R6 is hydrogen, hydroxy, lower alkyl, —N(R5)CO-lower alkyl, hydroxy-lower alkyl, cyano, —CHO or a 5- or 6 membered heterocyclic group, optionally bonded via an alkylene group, X is —C(O)N(R5)—, —(CH2)mO—, —(CH2)mN(R5)—, —N(R5)C(O)—, or —N(R5)(CH2)m—; n is 0-4; and m is 1 or 2; and to pharmaceutically acceptable acid addition salts thereof. It has been shown that the above mentioned compounds have a good affinity to the NK-1 receptor.