QUINUCLIDINE DERIVATIVES AS SQUALENE SYNTHASE INHIBITORS

摘要

Quinuclidine compounds of formula (I), wherein R<1> is hydrogen or hydroxy; R<2> is hydrogen; or R<1> and R<2> are joined together so that CR<1>-CR<2> is a double bond; X is selected from -CH2CH2-, -CH=CH-, -C=C-, -CH2O-, -OCH2-, -CH2NH-, -NHCH2-, -CH2CO-, -COCH2-, -CH=N-, -N=CH-, -CH2S-, -SCH2-, wherein the sulphur atom in the latter two groups may optionally bear one or two oxygen atoms; and wherein one or both of ring A and ring B may be optionally unsubstituted or independently substitued by one or more substituents selected from halogeno, hydroxy, amino, nitro, cyano, carboxy, carbamoyl, alkyl, alkenyl, alkoxy, alkylamino, di-alkylamino, N-alkylcarbamoyl, N,N-di-alkylcarbamoyl, alkoxycarbonyl, alkylthio, alkylsulphinyl, alkylsulphonyl and halogeno-alkyl; are inhibitors of squalene synthase and are hence useful in treating diseases or medical conditions such as hypercholesterolemia, atherosclerosis and fungal diseases. Methods of using these compounds to treat such conditions, novel compounds, processes for making these compounds and pharmaceutical compositions containing them are claimed.