申请人:——
公开号:US20020037998A1
公开(公告)日:2002-03-28
Racemates, diastereoisomers and optical isomers of a compound of formula (I):
1
wherein B is H, a C
6
or C
10
aryl, C
7-16
aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C
1-6
alkyl; C
1-6
alkoxy; C
1-6
alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C
1-6
alkyl; amido; or (lower alkyl)amide; or
B is an acyl derivative of formula R
4
—C(O)—; a carboxyl of formula R
4
—O—C(O)—; an amide of formula R
4
-N(R
5
)—C(O)—; a thioamide of formula R
4
—N(R
5
)—C(S)—;or a sulfonyl of formula R
4
—SO
2
; R
5
is H or C
1-6
alkyl; and
Y is H or C
1-6
alkyl;
R
3
is C
1-8
alkyl, C
3-7
cycloalkyl, or C
4-10
alkylcycloalkyl, all optionally substituted with hydroxy, C
1-6
alkoxy, C
1-6
thioalkyl, amido, (lower alkyl)amido, C
6
or C
10
aryl, or C
7-16
aralkyl;
R
2
is CH
2
-R
20
, NH—R
20
, O—R
20
or S—R
20
, wherein R
20
is a saturated or unsaturated C
3-7
cycloalkyl or C
4-10
(alkylcycloalkyl), all of which being optionally mono-, di- or tri- substituted with R
21
,
or R
20
is a C
6
or C
10
aryl or C
7-14
aralkyl optionally substituted, or R
20
is Het or (lower alkyl)-Het, both optionally substituted, Het or (lower alkyl)-Het; carboxyl; carboxy(lower alkyl); C
6
or C
10
aryl, C
7-14
aralkyl or Het, said aryl, aralkyl or Het being optionally substituted; and
R
1
is H; C
1-6
alkyl, C
3-7
cycloalkyl, C
2-6
alkenyl, or C
2-6
alkynyl, all optionally substituted with halogen; or a pharmaceutically acceptable salt or ester thereof.
化合物公式(I)的竞争异构体,对映异构体和光学异构体:其中B为H、C6或C10芳基、C7-16芳基烷基、Het或(较低烷基)-Het,它们都可以选择性地用C1-6烷基、C1-6烷氧基、C1-6烷酰基、羟基、羟基烷基、卤素、卤素烷基、硝基、
氰基、选择性地用C1-6烷基取代的
氨基、酰胺或(较低烷基)酰胺;或B为公式R4-C(O)的酰衍
生物;公式R4-O-C(O)的羧基;公式R4-N(R5)-C(O)的酰胺;公式R4-N(R5)-C(S)的
硫酰胺;或公式R4-SO2的磺酰基;其中R5为H或C1-6烷基;Y为H或C1-6烷基;R3为C1-8烷基、C3-7环烷基或C4-10烷基环烷基,它们都可以选择性地用羟基、C1-6烷氧基、C1-6
硫代烷基、酰胺、(较低烷基)酰胺、C6或C10芳基或C7-16芳基烷基取代;R2为
CH2-R20、NH-R20、O-R20或S-R20,其中R20为饱和或不饱和的C3-7环烷基或C4-10(烷基环烷基),它们都可以选择性地用R21单取代、双取代或三取代,或R20为C6或C10芳基或C7-14芳基烷基,可以选择性地取代,或R20为Het或(较低烷基)-Het,两者都可以选择性地取代,Het或(较低烷基)-Het;羧基;羧基(较低烷基);C6或C10芳基、C7-14芳基烷基或Het,所述芳基、芳基烷基或Het可以选择性地取代;以及R1为H、C1-6烷基、C3-7环烷基、C2-6烯基或C2-6炔基,它们都可以选择性地用卤素取代;或其药学上可接受的盐或酯。