Cyclopentane derivatives of the formula: ##STR1## wherein R.sup.1 represents hydrogen or a carboxylic acyl group, and either (I) R.sup.2 represents a group of the formula: --CR.sup.3 R.sup.4 R.sup.5 II (wherein R.sup.3 and R.sup.4 represent hydrogen or alkyl, and R.sup.5 represents hydrogen, or alkyl, alkoxy, cycloalkyl or adamantyl, or R.sup.5 represents alkyl substituted by alkoxy, or by cycloalkyl or by adamantyl, or the group --CR.sup.3 R.sup.4 R.sup.5 together forms a cycloalkyl or adamantyl group), X represents trans-vinylene or ethylene and Y represents carbonyl or a group of the formula: ##STR2## wherein R.sup.6 represents hydrogen or alkyl, and R.sup.7 represents hydrogen or a carboxylic acyl group, or else (ii) R.sup.2 represents a group of the formula: --A-Z-R.sup.8 IV (wherein A represents alkylene, Z represents a direct bond or oxygen or sulphur, and R.sup.8 represents an aryl or heterocyclyl group which may be substituted by one or more of halogen, alkyl, alkoxy and trihalomethyl), X in formula I represents ethylene or trans-vinylene and Y in formula I represents carbonyl or a group of formula III, or else (iii) R.sup.2 represents a group R.sup.8 and X and Y in formula I represent simultaneously ethylene and carbonyl, trans-vinylene and carbonyl, or ethylene and --CH(OR.sup.7)-- groups respectively. The compounds are new and possess pharmacological properties similar to those of prostaglandins.
Cyclopentane衍
生物的公式为:##STR1## 其中R.sup.1代表氢或
羧酸酰基,而且(I)R.sup.2代表公式的一个组:--CR.sup.3 R.sup.4 R.sup.5 II(其中R.sup.3和R.sup.4代表氢或烷基,R.sup.5代表氢,或烷基,烷氧基,环烷基或
金刚烷基,或R.sup.5代表被烷氧基,环烷基或
金刚烷基取代的烷基,或者--CR.sup.3 R.sup.4 R.sup.5组成环烷基或
金刚烷基),X代表顺式-
乙烯基或
乙烯基,Y代表羰基或公式的一个组:##STR2## 其中R.sup.6代表氢或烷基,R.sup.7代表氢或
羧酸酰基,或者(ii)R.sup.2代表公式的一个组:--A-Z-R.sup.8 IV(其中A代表烷基,Z代表直接键或氧或
硫,R.sup.8代表芳基或杂环基,可以被一个或多个卤素,烷基,烷氧基和三卤甲基取代),公式I中的X代表
乙烯基或顺式-
乙烯基,公式I中的Y代表羰基或公式III的一个组,或者(iii)R.sup.2代表一个R.sup.8组,公式I中的X和Y同时表示
乙烯基和羰基,顺式-
乙烯基和羰基,或
乙烯基和--CH(OR.sup.7)--组。这些化合物是新的,并具有与
前列腺素类似的药理特性。