摘要:
该化合物的化学式为:##STR1## 其中A是嘌呤-9-基团,嘌呤-9-基团的杂环同分异构体,嘧啶-1-基团或嘧啶-1-基团的杂环同分异构体;E是氢,-CH.sub.2 OH或-OH;G和D分别选择自氢,C.sub.1到C.sub.10烷基,-OH,-CH.sub.2 OH,-CH.sub.2 OR.sub.20,其中R.sub.20是C.sub.1到C.sub.6烷基,-CH.sub.2 OC(O)R.sub.21,其中R.sub.21是C.sub.1到C.sub.10烷基,-CH.sub.2 OC(O)CH(R.sub.22)(NHR.sub.23),其中R.sub.22是任何天然氨基酸的侧链,R.sub.23是氢或-C(O)CH(R.sub.24)(NH.sub.2),其中R.sub.24是任何天然氨基酸的侧链,-CH.sub.1 SH,-Ch.sub.2 Cl,-Ch.sub.2 F,-CH.sub.2 Br,-CH.sub.2 I,-C(O)H,-CH.sub.2 CN,-CH.sub.2 N.sub.3,-CH.sub.2 NR.sub.1 R.sub.2,-CO.sub.2 R.sub.1,-CH.sub.2 CH.sub.2 OH,-CH.sub.2 CH.sub.2 OR.sub.20,其中R.sub.20如上定义,-CH.sub.2 CH.sub.2 OC(O)R.sub.21,其中R.sub.21如上定义,-CH.sub.2 CH.sub.2 OC(O)CH(R.sub.22)(NHR.sub.23),其中R.sub.22和R.sub.23如上定义,-CH.sub.2 CH.sub.2 PO.sub.3 H.sub.2,-Ch.sub.2 OPO.sub.3 H.sub.2,-OCH.sub.2 PO.sub.3 H.sub.2和-CH.sub.2 CO.sub.2 R.sub.3,其中R.sub.1和R.sub.2分别选择自氢和C.sub.1到C.sub.10烷基,R.sub.3是氢,C.sub.1到C.sub.10烷基,羧基烷基或氨基烷基;或其药用可接受盐。