申请人:Boehringer Ingelheim (Canada) Ltd.
公开号:US06420380B2
公开(公告)日:2002-07-16
Racemates, diastereoisomers and optical isomers of a compound of formula (I):
wherein
B is H, a C6 or C10 aryl, C7-16 aralkyl; Het or (lower alkyl)-Het, all of which optionally substituted with C1-6 alkyl; C1-6 alkoxy; C1-6 alkanoyl; hydroxy; hydroxyalkyl; halo; haloalkyl; nitro; cyano; cyanoalkyl; amino optionally substituted with C1-6 alkyl; amido; or (lower alkyl)amide; or
B is an acyl derivative of formula R4—C(O)—; a carboxyl of formula R4—O—C(O)—; an amide of formula R4—N(R5)—C(O)—; a thioamide of formula R4—N(R5)—C(S)—; or a sulfonyl of formula R4—SO2; R5 is H or C1-6 alkyl; and
Y is H or C1-6 alkyl;
R3 is C1-8 alkyl, C3-7 cycloalkyl, or C4-10 alkylcycloalkyl, all optionally substituted with hydroxy, C1-6 alkoxy, C1-6 thioalkyl, amido, (lower alkyl)amido, C6 or C10 aryl, or C7-16 aralkyl;
R2 is CH2—R20, NH—R20, O—R20 or S—R20, wherein R20 is a saturated or unsaturated C3-7 cycloalkyl or C4-10 (alkylcycloalkyl), all of which being optionally mono-, di- or tri-substituted with R21,
or R20 is a C6 or C10 aryl or C7-14 aralkyl optionally substituted, or R20 is Het or (lower alkyl)-Het, both optionally substituted, Het or (lower alkyl)-Het; carboxyl;
carboxy(lower alkyl); C6 or C10 aryl, C7-14 aralkyl or Het, said aryl, aralkyl or Het being optionally substituted; and
R1 is H; C1-6 alkyl, C3-7 cycloalkyl, C2-6 alkenyl, or C2-6 alkynyl, all optionally substituted with halogen; or a pharmaceutically acceptable salt or ester thereof.
化合物的异构体包括同分异构体、对映异构体和光学异构体,该化合物的化学式为(I):其中,B为H、C6或C10芳基、C7-16芳基烷基、Het或(lower alkyl)-Het,均可选用C1-6烷基进行取代;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,可选用C1-6烷基进行取代;酰胺;或(lower alkyl)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;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,均可选用羟基、C1-6烷氧基、C1-6硫代烷基、酰胺、(lower alkyl)酰胺、C6或C10芳基或C7-16芳基烷基进行取代;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),均可选择单、双或三取代的R21,或R20为可选取代的C6或C10芳基或C7-14芳基烷基,或R20为Het或(lower alkyl)-Het,两者可选择取代,Het或(lower alkyl)-Het;羧基;羧基(lower alkyl);C6或C10芳基、C7-14芳基烷基或Het,所述芳基、芳基烷基或Het可选择进行取代;以及R1为H;C1-6烷基、C3-7环烷基、C2-6烯基或C2-6炔基,均可选择卤素进行取代;或其药学上可接受的盐或酯。