申请人:Beecham Group p.l.c.
公开号:US05356886A1
公开(公告)日:1994-10-18
The present invention provides antiviral compounds of Formula (I), and pharmaceutically acceptable salts thereof: ##STR1## wherein X is --CH.sub.2 O or --CH.sub.2 ; R.sub.1 is hydroxy or amino; R.sub.2 is hydrogen or amino; R.sub.3 is hydrogen, hydroxymethyl or acyloxymethyl, wherein the acyl group of said acyloxymethyl is selected from the group consisting of C.sub.1-7 alkanoyl and benzoyl optionally substituted in the phenyl ring by one, two or three substituents selected from the group consisting of fluoro, chloro, bromo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy, wherein the alkyl moiety of said C.sub.1-4 alkyl and C.sub.1-4 alkoxy substituents is selected from the group consisting of methyl, ethyl, n- and iso-propyl, n-, sec-, iso- and tert-butyl, R.sub.4 is a group of formula: ##STR2## wherein R.sub.5 and R.sub.6 are independent selected from hydrogen, C.sub.1-6 alkyl and phenyl optionally substituted by one, two or three substituents selected from the group consisting of fluoro, chloro, bromo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy, wherein the alkyl moiety of said C.sub.1-4 alkyl and C.sub.1-4 alkoxy substituents is selected from the group consisting of methyl, ethyl, n- and iso-propyl, n-, sec-, iso- and tert-butyl.
本发明提供了公式(I)的抗病毒化合物及其药学上可接受的盐:##STR1##其中X为--CH.sub.2 O或--CH.sub.2;R.sub.1为羟基或氨基;R.sub.2为氢或氨基;R.sub.3为氢、羟甲基或酰氧甲基,其中所述酰基为选自C.sub.1-7脂肪酰和苯甲酰的群体,所述苯环上的一个、两个或三个取代基为选自氟、氯、溴、C.sub.1-4烷基和C.sub.1-4烷氧基的群体,其中所述C.sub.1-4烷基和C.sub.1-4烷氧基取代基的烷基基团选自甲基、乙基、正-和异丙基、正、仲、异丁基,R.sub.4为下列式的群体:##STR2##其中R.sub.5和R.sub.6独立选择自氢、C.sub.1-6烷基和苯环,所述苯环可以选自一个、两个或三个取代基,所述取代基为选自氟、氯、溴、C.sub.1-4烷基和C.sub.1-4烷氧基的群体,其中所述C.sub.1-4烷基和C.sub.1-4烷氧基取代基的烷基基团选自甲基、乙基、正-和异丙基、正、仲、异丁基。