申请人:Beecham Group Limited
公开号:US04294972A1
公开(公告)日:1981-10-13
Compounds of the formula (I): ##STR1## wherein n is 3 to 5; Y is --CH.sub.2 --CH.sub.2, --CH.dbd.CH-- or C.tbd.C--; L is O or S; R.sub.1 is C.sub.1-4 alkyl; R.sub.2 is hydrogen, C.sub.1-4 alkyl or phenyl; R.sub.3 is hydroxy or protected hydroxy; R.sub.4 is hydrogen, C.sub.1-9 alkyl, C.sub.3-8 cycloalkyl, phenyl, naphthyl, any of which phenyl moieties or naphthyl moieties may be substituted by one or more halogen, trifluoromethyl, C.sub.1-6 alkyl, hydroxy, C.sub.1-6 alkoxy, phenyl C.sub.1-6 alkoxy or nitro groups; or R.sub.2 and R.sub.4 taken with the carbon atom to which they are joined represent a C.sub.5-8 cycloalkyl group; and R.sub.5 is C.sub.1-6 alkyl, having similar activity to natural prostaglandins, a process for their preparation, intermediates useful in that process and pharmaceutical compositions containing them.
该公式(I)的化合物:其中n为3至5;Y为--CH.sub.2 --CH.sub.2,--CH.dbd.CH--或C.tbd.C--;L为O或S;R.sub.1为C.sub.1-4烷基;R.sub.2为氢,C.sub.1-4烷基或苯基;R.sub.3为羟基或保护羟基;R.sub.4为氢,C.sub.1-9烷基,C.sub.3-8环烷基,苯基,萘基,其中苯基或萘基可以被一个或多个卤素,三氟甲基,C.sub.1-6烷基,羟基,C.sub.1-6烷氧基,苯基C.sub.1-6烷氧基或硝基取代;或R.sub.2和R.sub.4与它们连接的碳原子一起表示C.sub.5-8环烷基基团;R.sub.5为C.sub.1-6烷基,具有类似于天然前列腺素的活性,用于它们的制备方法,该方法中有用的中间体以及含有它们的药物组合物。