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首页> 外文期刊>Journal of Medicinal Chemistry >Inhibitors of acyl-CoA:cholesterol O-acyltransferase. 3. Discovery of a novel series of N-alkyl-N-((fluorophenoxy)benzyl)-N'-arylureas with weak toxicological effects on adrenal glands.
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Inhibitors of acyl-CoA:cholesterol O-acyltransferase. 3. Discovery of a novel series of N-alkyl-N-((fluorophenoxy)benzyl)-N'-arylureas with weak toxicological effects on adrenal glands.

机译:酰基辅酶A抑制剂:胆固醇O-酰基转移酶。 3.发现对肾上腺具有弱毒理学作用的一系列新的N-烷基-N-((氟苯氧基)苄基)-N'-芳基脲。

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摘要

A series of N-alkyl-N-[(fluorophenoxy)benzyl]-N'-arylureas were prepared and evaluated for their ability to inhibit intestinal acyl-CoA:cholesterol O-acyltransferase and to inhibit accumulation of cholesteryl esters in macrophages in vitro. In vivo hypocholesterolemic activity was assessed in cholesterol-fed rats by oral administration as a dietary admixture and/or by gavage in a PEG400 vehicle. Modification of the alkyl substituent on the N'-aryl moiety and on the urea nitrogen significantly influenced macrophage assay in vitro. Toxicological study revealed a distinct relationship between macrophage assay and the toxicity observed in adrenal glands of rabbits treated with representatives of this series of compounds. Investigations utilizing the macrophage assay as an indicator for adrenal toxicity led to the identification of compounds 1g (FR190809) and 1k (FR186485, or FR195249 as its hydrochloride salt) as potent, nonadrenotoxic, orally efficacious ACAT inhibitors irrespective of the administration method.
机译:制备了一系列的N-烷基-N-[(氟苯氧基)苄基] -N'-芳基脲,并评价了它们在体外抑制肠酰基-CoA:胆固醇O-酰基转移酶和抑制胆固醇酯在巨噬细胞中积累的能力。在胆固醇喂养的大鼠中,通过饮食混合物和/或通过在PEG400载体中强饲来评估其体内的降胆固醇活性。 N'-芳基部分和尿素氮上的烷基取代基的修饰在体外显着影响巨噬细胞测定。毒理学研究表明巨噬细胞测定与用该系列化合物代表治疗的兔肾上腺中观察到的毒性之间存在明显的关系。利用巨噬细胞测定作为肾上腺毒性指标的研究导致鉴定化合物1g(FR190809)和1k(FR186485或FR195249作为其盐酸盐)是有效,无肾上腺素,口服有效的ACAT抑制剂,而与给药方法无关。

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