IMIDAZO[4, 5-B]PYRIDIN-2-ONE AND OXAZOLO[4, 5-B]PYRIDIN-2-ONE COMPOUNDS AND ANALOGS THEREOF AS CANCER THERAPEUTIC COMPOUNDS
申请人:Niculescu-Duvaz Dan
公开号:US20090325945A1
公开(公告)日:2009-12-31
The present invention pertains to certain imidazo[4,5-b]pyridin-2-one and oxazolo[4,5 b]pyridin-2-one compounds and analogs thereof, which, inter alia, inhibit RAF (e.g., B RAF) activity, inhibit cell proliferation, treat cancer, etc., and more particularly to compounds of the formulae: wherein: J is independently —O— or —NR
N1−
; R
N1
, if present, is independently —H or a substituent; R
N2
is independently —H or a substituent; Y is independently —CH═ or —N═; Q is independently —(CH
2
)
j
-M-(CH
2
)
k
— wherein: j is independently 0, 1 or 2; k is independently 0, 1, or 2; j+k is 0, 1, or 2; M is independently O—, —S—, —NH—, —NMe-, or —CH
2
—; each of R
P1
, R
P2
, R
P5
, and R
P4
is independently —H or a substituent; and additionally R
P1
and R
P2
taken together may be CH═CH—CH═CH—; and additionally R
P1
and R
P5
taken together may be CH═CH—CH═CH—; L is independently: a linker group formed by a chain of 2, 3, or 4 linker moieties; each linker moiety is independently CH
2
—, —NR
N
—, —C(═X)—, or —S(═O)
2
—; either: exactly one linker moiety is —NR
N
—, or: exactly two linker moieties are —NR
N
—; either: exactly one linker moiety is —C(═X)—, and no linker moiety is —S(═O)
2
—, or: exactly one linker moiety is —S(═O)
2
—, and no linker moiety is —C(═X)—; no two adjacent linker moieties are —NR
N
—; X is independently ═O or ═S; each R
N
is independently —H or a substituent; A is independently: C
6-14
carboaryl, C
5-14
heteroaryl, C
3-12
carbocyclic, C
3-12
heterocyclic; and is independently unsubstituted or substituted; and pharmaceutically acceptable salts, solvates, amides, esters, ethers, N-oxides, chemically protected forms, and prodrugs thereof. The present invention also pertains to pharmaceutical compositions comprising such compounds, and the use of such compounds and compositions, both in vitro and in vivo, to inhibit RAF (e.g., B-RAF) activity, to inhibit receptor tyrosine kinase (RTK) activity, to inhibit cell proliferation, and in the treatment of diseases and conditions that are ameliorated by the inhibition of RAF, RTK, etc., proliferative conditions such as cancer (e.g., colorectal cancer, melanoma), etc.
本发明涉及特定的咪唑并[4,5-b]吡啶-2-酮和噁唑并[4,5-b]吡啶-2-酮化合物及其类似物,其中,它们可以抑制RAF(例如B-RAF)活性,抑制细胞增殖,治疗癌症等。特别是本发明涉及以下式的化合物:其中:J独立地为—O—或—NRN1−;RN1(如果存在)独立地为—H或取代基;RN2独立地为—H或取代基;Y独立地为—CH═或—N═;Q独立地为—(CH2)j-M-(CH2)k—,其中:j独立地为0、1或2;k独立地为0、1或2;j+k为0、1或2;M独立地为O—、—S—、—NH—、—NMe-或—CH2—;RP1、RP2、RP5和RP4中的每一个独立地为—H或取代基;并且另外RP1和RP2一起可以是CH═CH—CH═CH—;并且另外RP1和RP5一起可以是CH═CH—CH═CH—;L独立地为:由2、3或4个连接基成的连接基团;每个连接基单元独立地为CH2—、—NRN—、—C(═X)—或—S(═O)2—;要么:恰好有一个连接基单元为—NRN—,或:恰好有两个连接基单元为—NRN—;要么:恰好有一个连接基单元为—C(═X)—,且没有连接基单元为—S(═O)2—,或:恰好有一个连接基单元为—S(═O)2—,且没有连接基单元为—C(═X)—;没有两个相邻的连接基单元为—NRN—;X独立地为═O或═S;每个RN独立地为—H或取代基;A独立地为:C6-14碳基芳基、C5-14杂环芳基、C3-12环烷基、C3-12杂环烷基;并且独立地未取代或取代;以及其药学上可接受的盐、溶剂化合物、酰胺、酯、醚、N-氧化物、化学保护形式和前药。本发明还涉及包含这样的化合物的药物组合物,以及这样的化合物和组合物的使用,无论是在体外还是在体内,来抑制RAF(例如B-RAF)活性,抑制受体酪氨酸激酶(RTK)活性,抑制细胞增殖,并治疗通过抑制RAF、RTK等而改善的疾病和情况,如癌症(例如结肠癌、黑色素瘤)等。