申请人:——
公开号:US20040002475A1
公开(公告)日:2004-01-01
This invention relates to purine compounds of formula (I):
1
R
1
is NH
2
or OH; R
2
is H or NH
2
; R
3
is H or alkyl; each of m and n, independently, is 1, 2, 3, or 4; X is O, S, or NH; and Y is H, halogen, OR
a
, P(O)(OR
a
)
2
, or P(O)(OR
a
)(OR
b
), in which R
a
is H, alkyl, aryl, heteroaryl, cyclyl, heterocyclyl, and R
b
is
2
wherein A is adenine, guanine, cytosine, uracil, or thymine; R
c
is H or OH; R
d
is H or alkyl; R
e
is H, alkyl, or 5-ethylidene-(3,4-dialkoxyl)-furan-2-one; provided that if R
1
is NH
2
, R
2
is H; and if R
1
is OH, R
2
is NH
2
.
这项发明涉及式(I)的嘌呤化合物:1R1为NH2或OH;R2为H或NH2;R3为H或烷基;m和n中的每一个独立地为1、2、3或4;X为O、S或NH;Y为H、卤素、ORa、P(O)(ORa)2或P(O)(ORa)(ORb),其中Ra为H、烷基、芳基、杂环芳基、环烷基、杂环烷基,Rb为2;其中A为腺嘌呤、鸟嘌呤、胞嘧啶、尿嘧啶或胸腺嘧啶;Rc为H或OH;Rd为H或烷基;Re为H、烷基或5-乙基亚-(3,4-二烷氧基)-呋喃-2-酮;前提是如果R1为NH2,则R2为H;如果R1为OH,则R2为NH2。