878807-34-2Relevant academic research and scientific papers
1, 3-Dihydroimidazoles for Treating Cardiovascular Disorders
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Page/Page column 4, (2010/12/29)
A method comprising utilizing a compound of formula I: where R1, R2 and R3 are the same or different and signify hydrogens, halogens, alkyl, alkylaryl, alkyloxy, hydroxy, nitro, amino, alkylcarbonylamino, alkylamino or dialkylamino group; R4 signifies hydrogen, alkyl or alkylaryl group; X signifies CH2, oxygen atom or sulphur atom; n is 1, 2 or 3, with the proviso that when n is 1, X is not CH2; and the individual (R)- and (S)-enantiomers or mixtures of enantiomers and pharmaceutically acceptable salts thereof; wherein the term alkyl means hydrocarbon chains, straight or branched, containing from one to six carbon atoms, optionally substituted by aryl, alkoxy, halogen, alkoxycarbonyl or hydroxycarbonyl groups; the term aryl means a phenyl or naphthyl group, optionally substituted by alkyloxy, halogen or nitro group; the term halogen means fluorine, chlorine, bromine or iodine, in the manufacture of a medicament for the treatment of one or more of the following indications: congestive heart failure, angina, arrhythmias, circulatory disorders, Raynaud's Phenomenon, migraine, and anxiety disorders.
Synthesis and biological evaluation of novel, peripherally selective chromanyl imidazolethione-based inhibitors of dopamine β-hydroxylase
Beliaev, Alexandre,Learmonth, David A.,Soares-Da-Silva, Patricio
, p. 1191 - 1197 (2007/10/03)
A novel series of dopamine β-hydroxylase (DBH) inhibitors was designed and synthesized incorporating modifications to the core structure of nepicastat 3, with the principal aim of discovering potent DBH inhibitors exerting minimal effects on dopamine (DA) and noradrenaline (NA) levels in the central nervous system. This study resulted in the identification of a potent, peripherally selective DBH inhibitor, (R)-5-(2-aminoethyl)-1-(6,8-difluorochroman-3-yl)-1,3- dihydroimidazole-2-thione hydrochloride 54 (BIA 5-453). In experiments in mice and rats at Tmax (9 h after administration), 54 reduced NA levels in a dose-dependent manner in both the left atrium and the left ventricle, with the maximal inhibitory effect attained at a dose of 100 mg/kg. In contrast to that found in the heart, 54 failed to affect NA tissue levels in the brain. Compound 54 is thus presented as a candidate for clinical evaluation for the treatment of chronic heart failure and hypertension.
Imidazole deriviatives and their use as peripherally-selective inhibitors of dopamine-beta-hydroxylase
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Page 10, (2008/06/13)
Compounds of formula I and a method for their preparation are described: where X is CH2, O or S, and n is 1, 2 or 3, with the proviso that if X is CH2, n is not 1. The compounds have potentially valuable pharmaceutical properties for the treatment of cardiovascular disorders such as hypertension and chronic heart failure.
