Synthesis of Thiazolidine-2-thione Derivatives and Evaluation of Their Hepatoprotective Effects.
作者:Koji YONEDA、Atsutoshi OTA、Yoichi KAWASHIMA
DOI:10.1248/cpb.41.876
日期:——
A series of N-(mercaptoalkyl)thiazolidine-2-thiones and their derivatives were synthesized and evaluated for hepatoprotective activities against Propionibacterium acnes-lipopolysaccharide (P. acnes-LPS)-induced liver injury in mice and in vitro lipid peroxide (LPO) formation in rat liver microsomes. Reaction of N-(p-methoxybenzylthioalkyl)cysteine methyl ester (11) with 1, 1'-thiocarbonyldiimidazole followed by deprotection gave the corresponding thiazolidene-2-thione derivatives. Among the compounds synthesized, 1a and 2a showed the most potent hepato-protective activities against P. acnes-LPS-induced liver injury. Compounds 1a-f and 4 inhibited LPO formation in vitro. Compounds 1a and 2a were chosen for further pharmacological evaluations.
合成了一系列N-(巯基烷基)噻唑烷-2-硫酮及其衍生物,并评估了它们对Propionibacterium acnes脂多糖(P. acnes-LPS)诱导的小鼠肝损伤和体外大鼠肝微粒体脂质过氧化(LPO)形成的肝保护活性。通过N-(对甲氧基苄硫基烷基)半胱氨酸甲酯(11)与1,1'-硫代羰基二咪唑反应,随后去保护,得到了相应的噻唑烷-2-硫酮衍生物。在合成的化合物中,1a和2a显示出最强的抗P. acnes-LPS诱导的肝损伤的肝保护活性。化合物1a-f和4抑制了体外LPO的形成。选择化合物1a和2a进行进一步的药理学评估。