申请人:Leanna Robert M.
公开号:US20050250795A1
公开(公告)日:2005-11-10
Methods and novel intermediates for the preparation of acyclic nucleoside derivatives of the formula:
where one of R
1
and R
2
is an amino acid acyl group and the other of R
1
and R
2
is a —C(O)C
3
-C
21
saturated or monounsaturated, optionally substituted alkyl and R
3
is OH or H; or a pharmaceutically acceptable salt thereof.
制备无环核苷衍生物的方法和新型中间体,其化学式为:其中R1和R2中的一个是氨基酸酰基,另一个是饱和或单不饱和的(可选地取代的)C(O)C3-C21烷基,R3为OH或H;或其药学上可接受的盐。