Acrylamide derivatives as antiallergic agents. 2. Synthesis and structure activity relationships of N-[4-[4-(diphenylmethyl)-1-piperazinyl]butyl]-3-(3-pyridyl)acrylamides
摘要:
A new series of 3-(3-pyridyl)acrylamides 16, 17, 19, and 26, and 5-(3-pyridyl)-2,4-pentadienamides 20-25 were prepared and evaluated for their antiallergic activity. Several of these compounds exhibited more potent inhibitory activities than the parent compound 1a [(E)-N-[4-[4-(diphenylmethyl)-1-piperazinyl]butyl]-3- (3-pyridyl)acrylamide] against the rat passive cutaneous anaphylaxis (PCA) reaction and the enzyme 5-lipoxygenase. Particularly, (E)-N-[4-[4-(diphenylmethyl)-1-piperazinyl]butyl]-3- (6-methyl-3-pyridyl)acrylamide (17p) showed an ED50 value of 3.3 mg/kg po in the rat PCA test, which was one-fifth of ketotifen and oxatomide. As compared with ketotifen and oxatomide, compound 17p (AL-3264) possessed a better balance of antiallergic properties due to inhibition of chemical mediator release, inhibition of 5-lipoxygenase, and antagonism of histamine.
[EN] SUBSTITUTED (E)-N'-(1-PHENYLETHYLIDENE) BENZOHYDRAZIDE ANALOGS AS HISTONE DEMETHYLASE INHIITORS [FR] ANALOGUES DE (E)-N'-(1-PHÉNYLÉTHYLIDÈNE)BENZOHYDRAZIDE SUBSTITUÉS EN TANT QU'INHIBITEURS DE L'HISTONE DÉMÉTHYLASE
[EN] TRIAZOLE AGONISTS OF THE APJ RECEPTOR<br/>[FR] TRIAZOLES AGONISTES DU RÉCEPTEUR APJ
申请人:AMGEN INC
公开号:WO2016187308A1
公开(公告)日:2016-11-24
Compounds of Formula I and Formula II, pharmaceutically acceptable salt thereof, stereoisomers of any of the foregoing, or mixtures thereof are agonists of the APJ Receptor and have use in treating cardiovascular and other conditions. Compounds of Formula I and Formula II have the following structures where the definitions of the variables are provided herein.
The present invention covers [1,2,4]triazolo[1,5-c]quinazolin-5-amine compounds of general formula (I) in which R1, R2, R3, R4, R5, R6, R7 and R8 are as defined herein, methods of preparing said compounds, intermediate compounds useful for preparing said compounds, pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular of cancer or conditions with dysregulated immune responses or other disorders associated with aberrant AHR signaling, as a sole agent or in combination with other active ingredients.
Preclinical characterization of substituted 6,7-dihydro-[1,2,4]triazolo[4,3- a ]pyrazin-8(5 H )-one P2X7 receptor antagonists
作者:Michael K. Ameriks、Hong Ao、Nicholas I. Carruthers、Brian Lord、Suchitra Ravula、Jason C. Rech、Brad M. Savall、Jessica L. Wall、Qi Wang、Anindya Bhattacharya、Michael A. Letavic
DOI:10.1016/j.bmcl.2015.12.052
日期:2016.1
The synthesis, SAR, and preclinical characterization of a series of substituted 6,7-dihydro[1,2,4]triazolo[4,3]pyrazin-8(5H)-one P2X7 receptorantagonists are described. Optimized leads from this series comprise some of the most potent human P2X7R antagonists reported to date (IC50s<1nM). They also exhibit sufficient potency and oral bioavailability in rat to enable extensive in vivo profiling. Although
Compounds of Formula I and Formula II, pharmaceutically acceptable salt thereof, stereoisomers of any of the foregoing, or mixtures thereof are agonists of the APJ Receptor and have use in treating cardiovascular and other conditions. Compounds of Formula I and Formula II have the following structures:
where the definitions of the variables are provided herein.
Methods of treating heart failure include administering to a subject having heart failure an effective amount of a triazole compound that is an agonist of the APJ receptor, a pharmaceutically acceptable salt of the compound, or a mixture thereof. Compounds particularly useful in such methods are provided herein.