Phenothiazone derivatives and analogs thereof, pharmaceutical compositions and methods of treatment are disclosed. These compounds are useful as inhibitors of mammalian leukotriene biosynthesis. As such, these compounds are useful therapeutic agents for treating allergic conditions, asthma, cardiovascular disorders and inflammation.
5-benzothiazepine skeleton were synthesized and their vasodilating, antihypertensive, and plateletaggregation-inhibitoryactivities were investigated. (-)-cis-3-Acetoxy-5-[2-(di-methylamino) ethyl]-2,3-dihydro-8-methyl-2-(4-methylphenyl)-1,5-benzothiazepin- 4(5H)-one ((-)-13e) was selected for further studies as a potent inhibitor of platelet aggregation.
Synthesis and Antihypertensive Activity of 3-Acetoxy-2,3-dihydro-5-(2-(dimethylamino)ethyl)-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one (Diltiazem) Derivatives Having Substituents at the 8 Position.
In order to improve the potency and duration of biological actions of diltiazem, a number of 1, 5-benzothiazepine derivatives having the substituents at the 8 position were prepared and evaluated for their antihypertensive activity in spontaneously hypertensive rats. The introduction of methyl, ethyl, isopropyl, benzyl, methoxy, ethoxy, phenoxy, and methylthio groups increased the antihypertensive activity and prolonged duration of action, whereas cyclohexyl, cyclopentoxy, tolyloxy, p-methoxyphenoxy and phenylthio derivatives were less active than diltiazem. Among them, the 8-benzyl and phenoxy derivatives showed the most potent and long-lasting antihypertensive action.
Pyrrolopyrrole Cyanines: Effect of Substituents on Optical Properties
作者:Georg M. Fischer、Matthias K. Klein、Ewald Daltrozzo、Andreas Zumbusch
DOI:10.1002/ejoc.201100108
日期:2011.7
To tune their opticalproperties, a large variety of pyrrolopyrrolecyanines (PPCys) were synthesized with substituted heteroaromatics such as quinoline, benzothiazole, and ox-azole derivatives as terminal groups. Thus, a broad range of stable, highly fluorescing near-infrared (NIR) dyes with high absorptivities between 690 to 845 nm is accessible. The large number of newly synthesized compounds allows
Use of lipoxygenase inhibitors for the preparations of cytoprotective pharmaceutical compostions and process for the preparation of a cytoprotective pharmaceutical composition
申请人:Merck & Co., Inc.
公开号:EP0155623A2
公开(公告)日:1985-09-25
Lipoxygenase inhibitors are used as cytoprotective active ingredient in producing cytoprotective pharmaceutical compositions. Corresponding cytoprotective pharmaceutical compositions are prepared by incorporating into a pharmaceutical composition a lipoxygenase inhibitor in a cytoprotective active amount. The prepared cytoprotective therapeutic composition may be used to treat or prevent disease states such as erosive gastritis, erosive esophagitis, inflammatory bowel disease, and induced hemorrhagic gastric erosions such as those caused by indomethacin or ethanol. The lipoxygenase inhibitors induce cytoprotection via an unspecified mechanism.