申请人:BIOCRYST PHARMACEUTICALS, INC.
公开号:US20040014722A1
公开(公告)日:2004-01-22
Compounds represented by the formula:
1
Wherein A is —(CH
2
)
n
—R, —CH═CH
2
, —CH
2
—CH═CH
2
, —O—(CH
2
)
n
—R, —CH(OH)CH
3
, —CH(OH)—CH
2
OH, —CH
2
—CH(OH)CH
3
, —CH
2
—CH(OH)—CH
2
OH, —CH(OH)—CH(OH)—CH
3
;
R is H, OH, F, N
3
, NH
2
, CO
2
H, SH, alkyl, S-alkyl, O-acyl, CONH
2
, CONH-alkyl;
Z and Z′ independently is OR
1
, OR
2
, O—(CH
2
)
n
—O-alkyl or aminoacids and esters thereof;
R
1
and R
2
independently is H, alkyl, aryl, pivaloyloxymethyl, phthalyl or substituted phthalyl, C(R
3
)
2
OC(O)X(R
4
)a,
2
R
3
is —H, C
1
-C
12
alkyl, C
5
-C
12
aryl, C
2
-C
12
alkenyl, C
2
-C
12
alkynyl, C
7
-C
12
alkenylaryl, C
7
-C
12
alkynylaryl, or C
6
-C
12
alkaryl, any of which is unsubstituted or is substituted with 1 or 2 halo, cyano, azido, nitro, or —OR
5
;
R
4
is —H, C
1
-C
12
alkyl, C
5
-C
12
aryl, C
2
-C
12
alkenyl, C
2
-C
12
alkynyl, C
7
-C
12
alkenylaryl, C
7
-C
12
alkynylaryl, or C
6
-C
12
alkaryl, any of which is unsubstituted or is substituted with 1 or 2 halo, cyano, azido, nitro, —N(R
6
)
2
or —OR
5
;
R
5
is C
1
-C
12
alkyl, C
2
-C
12
alkenyl, C
2
-C
12
alkynyl or C
5
-C
12
aryl;
provided that at least one R
4
is not H; and a is 1 when X is CH
2
, or direct bond, or 1 or 2 when X is N with the proviso that when a is 2 and X is N, (a) two N-linked R groups can be taken together to form a carbocyclic or oxygen containing heterocycle, (b) one N-linked R
4
additionally can be —OR
5
or (c) both N-linked R
4
groups can be —H;
R
6
is H or C
1
-C
8
alkyl;
R
7
is selected from H, alkyl, alkenyl, alkynyl, aryl, acyloxyalkyl, and pivaloyloxyalkyl;
n is 1-3;
Y is O, S or NH;
W is O or S;
B is selected from the group consisting of adenine, guanine, cytosine, uracil, thymine, modified purines, pyrimidines and pyridines are provided.
由以下式子表示的化合物
1
其中 A 为-(CH
2
)
n
-R、-CH═CH
2
,-CH
2
-CH═CH
2
, -O-(CH
2
)
n
-R、-CH(OH)CH
3
、-CH(OH)-CH
2
OH, -CH
2
-CH(OH)-CH
3
,-CH
2
-CH(OH)-CH
2
OH,-CH(OH)-CH(OH)-CH
3
;
R 是 H、OH、F、N
3
、NH
2
CO
2
H、SH、烷基、S-烷基、O-酰基、CONH
2
、CONH-烷基;
Z 和 Z′各自是 OR
1
、OR
2
O-(CH
2
)
n
-O-烷基或氨基酸及其酯;
R
1
和 R
2
独立地为 H、烷基、芳基、新戊酰氧基甲基、邻苯二甲酸酯或取代邻苯二甲酸酯、C(R
3
)
2
OC(O)X(R
4
)a,
2
R
3
是-H,C
1
-C
12
烷基、C
5
-C
12
芳基,C
2
-C
12
烯基,C
2
-C
12
炔基,C
7
-C
12
烯芳基,C
7
-C
12
炔芳基,或 C
6
-C
12
烷芳基,其中任何一个未被取代或被 1 或 2 个卤代、氰基、叠氮基、硝基或 -OR
5
;
R
4
是-H、C
1
-C
12
烷基、C
5
-C
12
芳基,C
2
-C
12
烯基,C
2
-C
12
炔基,C
7
-C
12
烯芳基,C
7
-C
12
炔芳基,或 C
6
-C
12
烷芳基,其中任何一个未被取代或被 1 或 2 个卤代、氰基、叠氮基、硝基、-N(R
6
)
2
或-OR
5
;
R
5
是 C
1
-C
12
烷基、C
2
-C
12
烯基、C
2
-C
12
炔基或 C
5
-C
12
芳基;
条件是至少有一个 R
4
不是 H 时,a 为 1。
2
或直接键,或当 X 为 N 时为 1 或 2,但当 a 为 2 且 X 为 N 时,(a) 两个 N-连接的 R 基团可结合在一起形成碳环或含氧杂环,(b) 一个 N-连接的 R
4
还可以是-OR
5
或 (c) 两个 N-连接的 R
4
基团都可以是-H;
R
6
是 H 或 C
1
-C
8
烷基;
R
7
选自 H、烷基、烯基、炔基、芳基、酰氧基烷基和新戊酰氧基烷基;
n 为 1-3;
Y 是 O、S 或 NH;
W 是 O 或 S;
B 选自腺嘌呤、鸟嘌呤、胞嘧啶、尿嘧啶、胸腺嘧啶、改良嘌呤、嘧啶和吡啶组成的组。