Compounds of the following formula are described:
wherein R is C1-C5 alkyl, phenyl, amino or methylmercapto, R1 is chloro or methylamino and R2, R3 and R' individually are hydrogen, methyl or phenyl, and pharmaceutically-acceptable acid addition salts thereof, provided that when R1 is chloro, the compound is the hydrochloride or trifluoromethanesulfonate salt; and the compound 7-(2-chloroethylamino)-8-nitro-2, 3-dihydroimidazo[1, 2-clpyrimidine and its pharmaceutically-acceptable acid addition salts.
The compounds are useful as pharmaceuticals and in particular as anti-viral and immunoregulative agents.
描述了下式化合物:其中 R 为 C1-C5 烷基、苯基、
氨基或甲基巯基,R1 为
氯或甲
氨基,R2、R3 和 R' 分别为氢、甲基或苯基,以及其药学上可接受的酸加成盐,条件是当 R1 为
氯时,化合物为盐酸盐或
三氟甲磺酸盐;以及化合物 7-(2-
氯乙基
氨基)-8-硝基-2,3-二氢
咪唑并[1,2-
嘧啶]及其药学上可接受的酸加成盐。 这些化合物可用作药物,特别是抗病毒和免疫增强剂。