Inhibitory Effect of 2-(E-2-Alkenoylamino)ethyl Alkyl Sulfides on Gastric Ulceration in Rats. II. Structure and Activity Relationships of 2-(E-n or Z-n-Decenoylamino)ethyl Alkyl Sulfides.
作者:Isao KOHDA、Masakazu IWAI、Masahiro WATANABE、Yoshio ARAKAWA、Chikara FUKAYA、Kazumasa YOKOYAMA、Yasuhiro KOHAMA、Tsutomu MIMURA
DOI:10.1248/cpb.39.1546
日期:——
The analogues of 2-(E-n or Z-n-decenoylamino)ethyl carbamoylmethyl sulfide, including the modifications of sulfide portion, double bond in decenoyl chain and alkyl sulfide moiety, were synthesized and their inhibitory effects on stress-induced ulceration in rats were compared.Replacing the sulfura atom by methylene group or oxygen atom reduced the effect of potency. Saturation of the double bond in the decenoyl chain tended to reduce the anti-ulcerogenic activity in rats. There was no relationship between the position of double bond in decenoyl chain and the pharmacological activity. On the other hand, compounds with E-configuration showed stronger anti-ulcer activity than the corresponding Z-type of compounds. Among 9 kinds of S substituted alkyl groups for carbamoylmethyl, 2-(E-2-decenoylamino)ethyl 2-cyclohexylethyl sulfide showed the most potent anti-ulcerogenic activity in rats and also showed the lowest acute toxicity in mice.
2-(E型或Z型n-癸烯酰氨基)乙基氨基甲酰甲硫醚类似物,包括硫醚部分、癸烯酰链中的双键以及烷基硫醚部分的修饰,被合成并比较了它们对大鼠应激性溃疡的抑制作用。用甲撑基或氧原子取代硫原子会降低药效。饱和癸烯酰链中的双键倾向于降低抗溃疡活性。癸烯酰链中双键的位置与药理活性没有关系。另一方面,具有E型构型的化合物显示出比相应的Z型化合物更强的抗溃疡活性。在9种S取代的烷基中,2-(E-2-癸烯酰氨基)乙基2-环己基乙基硫醚在大鼠中显示出最强的抗溃疡活性,在小鼠中也显示出最低的急性毒性。