申请人:Springer Joy Caroline
公开号:US20080015191A1
公开(公告)日:2008-01-17
The present invention pertains to certain pyrazines and pyridines, and derivatives 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: (I) wherein: Q is independently —N═ or —CH═; one of R
P2
and R
P3
is independently a group of the formula -J
1
-L
1
-Z; wherein: if Q is —N═, then -J
1
-L
1
-Z is independently: —NH-Z; —O-Z; or S-Z; if Q is —CH═, then -J
1
-L
1
-Z is independently: —NH—(CH
2
)
n
-Z, wherein n is independently 0 or 1; —O-Z; or —S-Z; Z is independently: C
6-14
carboaryl, C
5-14
heteroaryl, C
3-12
carbocyclic, C
3-12
heterocyclic; and is independently unsubstituted or substituted; the other of R
P2
and R
P3
is independently —H, —NHR
N1
, or —NHC(═O)R
N2
; wherein: R
N1
, if present, is independently —H or aliphatic saturated C
1-4
alkyl; R
N2
, if present, is independently —H or aliphatic saturated C
1-4
alkyl; one of R
P5
and R
P6
is independently a group of the formula —W—Y; wherein: W is independently: a covalent bond; —NR
N4
—, —O—, —S—, —C(═O)—, —CH
2
—; —NR
N4
—CH
2
—, —O—CH
2
—, —S—CH
2
—, —C(═O)—CH
2
—, —(CH
2
)
2
—; —CH
2
—NR
N4
—, —CH
2
—O—, —CH
2
—S—, or —CH
2
—C(═O)—; wherein R
N4
, if present, is independently —H or aliphatic saturated C
1-4
alkyl; Y is independently: C
6-14
carboaryl, C
5-14
heteroaryl, C
3-12
carbocyclic, C
3-12
heterocyclic; and is independently unsubstituted or substituted; the other of R
P5
and R
P6
is independently —H; 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, e.g., 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.
本发明涉及某些吡嗪和吡啶以及它们的衍生物,其中,它们在抑制RAF(例如B-RAF)活性、抑制细胞增殖、治疗癌症等方面发挥作用,更具体地涉及以下式的化合物:(I)其中:Q独立地为—N═或—CH═;RP2和RP3中的一个独立地为以下式的基团-J1-L1-Z;其中:如果Q为—N═,则-J1-L1-Z独立地为:—NH-Z;—O-Z;或S-Z;如果Q为—CH═,则-J1-L1-Z独立地为:—NH—(CH2)n-Z,其中n独立地为0或1;—O-Z;或—S-Z;Z独立地为:C6-14碳芳基,C5-14杂芳基,C3-12碳环烷基,C3-12杂环烷基;并且独立地未取代或取代;RP2和RP3中的另一个独立地为—H,—NHRN1或—NHC(═O)RN2;其中:如果存在RN1,则独立地为—H或脂肪饱和的C1-4烷基;如果存在RN2,则独立地为—H或脂肪饱和的C1-4烷基;RP5和RP6中的一个独立地为以下式的基团—W—Y;其中:W独立地为:共价键;—NRN4—,—O—,—S—,—C(═O)—,—CH2—;—NRN4—CH2—,—O—CH2—,—S—CH2—,—C(═O)—CH2—,—(CH2)2—;—CH2—NRN4—,—CH2—O—,—CH2—S—,或—CH2—C(═O)—;其中如果存在RN4,则独立地为—H或脂肪饱和的C1-4烷基;Y独立地为:C6-14碳芳基,C5-14杂芳基,C3-12碳环烷基,C3-12杂环烷基;并且独立地未取代或取代;RP5和RP6中的另一个独立地为—H;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。本发明还涉及包括这些化合物的药物组合物,以及使用这些化合物和组合物,例如在体内和体外,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,并用于治疗因RAF、RTK等的抑制而得到改善的疾病和病况,如癌症(例如结直肠癌、黑色素瘤)等增生性疾病。