2-Arylimino-2,3-dihydrothiazoles, and their use thereof as somatostatin receptor ligands
申请人:Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)
公开号:US06727269B1
公开(公告)日:2004-04-27
The invention concerns novel 2-arylimino-2,3-dihydrothiazole derivatives of general formula (I), their preparation methods and their use as medicines, in particular for treating pathological conditions or diseases wherein one (or several) somatostatin receptors is/are involved. Said pathological conditions include in particular acromegaly, pituitary adenoma or endocrine gastroenteropanceatic tumors including the carcinoid syndrome, and gastrointestinal bleeding. In general formula (I), R1 represents in particular an alkyl, aralkyl, cyclohexyl radical optionally substituted by an amino radical or R1 represents a —C(R11)(R12)—CO—R10 radical wherein R11 represents H, R12 represents in particular H, carbocyclic or heterocyclic alkyl, cycloalkyl or aralkyl and R10 represents in particular an aminoalkylamino radical; R2 represents a carcyclic or heterocyclic aryl radical optionally substituted; R3 represents in particular COR5 or a carbocyclic or heterocyclic alkyl, adamantyl, aryl radical optionally substituted, carbocyclic or heterocyclic aralkyl optionally substituted on the aryl group; and R5 represents a radical fixed by a nitrogen atom to the group CO.
该发明涉及一种新型的2-芳基亚胺基-2,3-二氢噻唑衍生物,其通用式为(I),以及它们的制备方法和它们作为药物的用途,特别是用于治疗某种病理条件或疾病,其中一个(或多个)生长抑素受体参与。所述的病理条件特别包括肢端肥大症、垂体腺瘤或内分泌胃肠胰腺肿瘤,包括类癌综合征和胃肠道出血。在通用式(I)中,R1特别表示一种烷基、芳基烷基、环己基基团,该基团可选择地被氨基基团取代,或者R1表示一个—C(R11)(R12)—CO—R10基团,其中R11表示H,R12特别表示H、碳环或杂环烷基、环烷基或芳基烷基,R10特别表示一种氨基烷基氨基基团;R2表示一个碳环或杂环芳基基团,该基团可选择地被取代;R3特别表示COR5或一个碳环或杂环烷基、金刚烷基、芳基基团,该基团可选择地被取代,碳环或杂环芳基烷基,在芳基基团上可选择地被取代;R5表示由氮原子固定的基团,与羰基结合。