Certain Castanospermine ester derivatives of the formula: ##STR1## wherein R, R.sub.1 and R.sub.2 are each independently hydrogen, C.sub.1-14 alkanoyl, C.sub.1-14 alkenoyl, cyclohexanecarbonyl, C.sub.1-8 alkoxyacetyl, ##STR2## naphthalenecarbonyl optionally substituted by methyl or halogen; phenyl (C.sub.2-6 alkanoyl) wherein the phenyl is optionally substituted by methyl or halogen; cinnamoyl; pyridinecarbonyl optionally substituted by methyl or halogen; dihydropyridine carbonyl optionally substituted by C.sub.1 -C.sub.10 alkyl; thiophenecarbonyl optionally substituted by methyl or halogen; or furancarbonyl optionally substituted by methyl or halogen; Y is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen, trifluoromethyl, C.sub.1-4 alkylsulfonyl, C.sub.1-4 alkylmercapto, cyano or dimethylamino; Y' is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, halogen or it is combined with Y to give 3,4-methylenedioxy; Y" is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or halogen; with R, R.sub.1 and R.sub.2 being selected in such a way that at least one of them, but not more than two of them, is hydrogen; are disclosed to be effective in treating diseases caused by Herpes Simplex Virus (HSV) Types 1 and 2.
本发明涉及一种公式如下的某些CaSTanospermine酯衍
生物:##STR1##其中,R、R.sub.1和R.sub.2各自独立地为氢、C.sub.1-14烷酰基、C.sub.1-14烯酰基、环己基羰基、C.sub.1-8烷氧基乙酰基、##STR2##
萘基羰基,选择性地被甲基或卤素取代;苯基(C.sub.2-6烷酰基),其中苯基被甲基或卤素选择性地取代;肉桂酰基;
吡啶基羰基,选择性地被甲基或卤素取代;
二氢吡啶羰基,选择性地被C.sub.1-C.sub.10烷基取代;
噻吩羰基,选择性地被甲基或卤素取代;或
呋喃羰基,选择性地被甲基或卤素取代;Y为氢、C.sub.1-4烷基、C.sub.1-4烷氧基、卤素、三
氟甲基、C.sub.1-4烷基磺酰基、C.sub.1-4烷基
硫醇基、
氰基或二甲基
氨基;Y'为氢、C.sub.1-4烷基、C.sub.1-4烷氧基、卤素或与Y组合形成3,4-亚甲二氧基;Y"为氢、C.sub.1-4烷基、C.sub.1-4烷氧基或卤素;其中,R、R.sub.1和R.sub.2的选择方式使它们中至少有一个,但不超过两个,为氢。本发明揭示了这些化合物在治疗由单纯疱疹病毒(HSV)1型和2型引起的疾病方面的有效性。