WO2007038519A1 - Thieno[2,3-b]pyridine-5-carbonitriles as protein kinase inhibitors - Google Patents
Thieno[2,3-b]pyridine-5-carbonitriles as protein kinase inhibitors Download PDFInfo
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- 0 *c(c(c(*)c(c(*)n1)C#N)c1[s]1)c1I Chemical compound *c(c(c(*)c(c(*)n1)C#N)c1[s]1)c1I 0.000 description 4
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Definitions
- the present teachings relate to substituted thieno[2,3 ⁇ b]pyridine-5- carbonitriles that are capable of inhibiting protein kinases and to methods for the preparation of the substituted thieno[2,3-b]pyridine-5-carbonitriles.
- the thienopyridines of the present teachings can be useful for the treatment of autoimmune and inflammatory diseases such as asthma, arthritis, multiple sclerosis, and diabetes.
- Protein kinases are enzymes that catalyze the transfer of phosphate group from adenosine triphosphate (ATP) to an amino acid residue, such as tyrosine, serine, threonine, or histidine, on a protein. Regulation of these protein kinases is essential for the control of a wide variety of cellular events including proliferation and migration.
- a large number of diseases are associated with these kinase- mediated abnormal cellular events including various inflammatory diseases and autoimmune diseases such as asthma, psoriasis, arthritis, rheumatoid arthritis, osteoarthritis, joint inflammation, multiple sclerosis, diabetes including type II diabetes, and inflammatory bowel diseases such as Crohn's disease and colitis (Kim, J.
- PKC protein kinase C
- PKC ⁇ protein kinase C
- Th2 cell responses result in reduced levels of interleukin-4 (IL-4) and immunoglobulin E (IgE), contributing to the AHR and inflammatory pathophysiology.
- IL-4 interleukin-4
- IgE immunoglobulin E
- BMMCs bone marrow mast cells
- TNFa tumor necrosis factor-alpha
- IL-13 interleukin- 13
- serine/threonine kinases include those of the mitogen-activated protein kinase (MAPK) pathway which consists of the MAP kinase kinases (MAPKK) ⁇ e.g., mek and their substrates) and the MAP kinases (MAPK) ⁇ e.g., erk). Men ⁇ bers of the raf family of kinases phosphorylate residues on mek.
- MAPK mitogen-activated protein kinase pathway which consists of the MAP kinase kinases (MAPKK) ⁇ e.g., mek and their substrates) and the MAP kinases (MAPK) ⁇ e.g., erk).
- MAPKK mitogen-activated protein kinase
- Men ⁇ bers of the raf family of kinases phosphorylate residues on mek.
- cyclin-dependent kinases including cdc2/cyclin B, cdk2/cyclin A, cdk2/cyclin E and cdk4/cyclin D, and others, are serine/threonine kinases that regulate mammalian cell division. Additional serine/threonine kinases include the protein kinases A and B. These kinases, known as PKA or cyclic AMP-dependent protein kinase and PKB (Akt), play key roles in signal transduction pathways.
- TKs Tyrosine kinases
- FGFr the receptor for fibroblast growth factor (FGF)
- FGFr the receptor for fibroblast growth factor (FGF)
- flk-1 also known as KDR
- flt-1 the receptors for vascular endothelial growth factor (VEGF)
- PDGFr the receptor for platelet derived growth factor (PDGF)
- RTKs include tie- 1 and tie-2, colony stimulating factor receptor, the nerve growth factor receptor, and the insulin-like growth factor receptor.
- RTKs include tie- 1 and tie-2, colony stimulating factor receptor, the nerve growth factor receptor, and the insulin-like growth factor receptor.
- cytoplasmic protein or non-receptor TKs another family of TKs termed the cytoplasmic protein or non-receptor TKs.
- the cytoplasmic protein TKs have intrinsic kinase activity, are present in the cytoplasm and nucleus, and participate in diverse signaling pathways.
- non-receptor TKs including AbI, Jak, Fak, Syk, Zap-70 and Csk and also the Src family of kinases (SFKs) which includes Src, Lck, Lyn, Fyn, Yes and others.
- SFKs Src family of kinases
- the present teachings also provide methods of making the compounds of formula I, and methods of treating autoimmune and inflammatory diseases, such as asthma and arthritis, comprising administering a therapeutically effective amount of a compound of formula I to a patient in need thereof.
- X is a) -NR 5 -Y- b) -O-Y-, c) -S(O) 1n -Y-, d) -S(O) ra NR 5 -Y-, e) -NR 5 S(O) 01 -Y-, f) -C(0)NR 5 -Y- g) -NR 5 C(O)-Y- h) -C(S)NR 5 -Y- i) -NR 5 C(S)-Y- j) -C(O)O-Y- Ic) -OC(O)-Y-, 1) -C(O)-Y- or m) a covalent bond; Y, at each occurrence, independently is a) a divalent C 1-10 alkyl group, b) a divalent C 2-10 alkenyl group, c) a divalent C 2-10 alkynyl group, d) a divalent C 1-10 haloalkyl group
- R 1 is a) a C 1-10 alkyl group, b) a C 3-10 cycloalkyl group, c) a 3-12 membered cycloheteroalkyl group, d) a C ⁇ -u aryl group, or e) a 5-13 membered heteroaryl group, wherein each of a) - e) optionally is substituted with 1-4 R 6 groups, and provided that R 1 is not a phenyl group;
- R 2 is a) H, b) halogen, c) -C(O)R 8 , d) -C(O)OR 8 , e) -C(O)NR 9 R 10 , f) -C(S)R 8 , g) -C(S)OR 8 , h) -C(S)NR 9 R 10 , i) a C 1-10 alkyl group, j) a C 2-10 alkenyl group, k) a C 2-10 alkynyl group, 1) a C 3-1O cycloalkyl group, m) a C 6-14 aryl group, n) a 3-12 membered cycloheteroalkyl group, or o) a 5-13 membered heteroaryl group, wherein each of i) - o) optionally is substituted with 1-4 R 6 groups;
- R 3 is a) H, b) halogen, c) -OR 8 , d) -NR 9 R 10 , e) -N(O)R 9 R 10 , f) S(O) m R 8 , g) S(O) m OR 8 , h) -C(O)R 8 , i) -C(O)OR 8 , j) -C(O)NR 9 R 10 , k) -C(S)R 8 , 1) -C(S)OR 8 , m) -C(S)NR 9 R 10 , n) -Si(C 1-10 alkyl group) 3 , o) a C 1-10 alkyl group, p) a C 2-10 alkenyl group, q) a C 2-10 alkynyl group, r) a C 3-1O cycloalkyl group, s) a C 6-14 aryl group, t) a 3-12
- R 4 is a) H, b) halogen, c) a C 1-10 alkyl group, d) a C 2-1 O alkenyl group, e) a C 2-10 alkynyl group, f) a C 1-10 haloalkyl group, g) a C 3-10 cycloalkyl group, h) a C 6-14 aryl group, i) a 3-12 membered cycloheteroalkyl group, or j) a 5-13 membered heteroaryl group, wherein each of c) -j) optionally is substituted with 1-4 R 6 groups;
- R 5 is a) H, b) a C 1-10 alkyl group, c) a C 2-10 alkenyl group, d) a C 2-10 alkynyl group, or e) a C 1-10 haloalkyl group;
- R 6 at each occurrence, independently is a) R 7 or b) -Y-R 7 ;
- R 7 at each occurrence, independently is a) halogen, b) -CN, c) -NO 2 , d) oxo, e) -OR 8 , f) -NR 9 R 10 , g) -N(O)R 9 R 10 , h) -S(O) 1n R 8 , i) -S(O) 111 OR 8 , j) -SO 2 NR 9 R 10 , k) -C(O)R 8 , 1) -C(O)OR 8 , m) -C(O)NR 9 R 10 , n) -C(S)R 8 , o) -C(S)OR 8 , p) -C(S)NR 9 R 10 , q) -Si(C 1-10 alkyl) 3 , r) a C 1-10 alkyl group, s) a C 2-10 alkenyl group, t) a C 2-10 al
- R 8 at each occurrence, independently is a) H, b) -C(O)R 14 , c) -C(O)OR 14 , d) a C 1-I0 alkyl group, e) a C 2-10 alkenyl group, f) a C 2-10 alkynyl group, g) a C 1-10 haloalkyl group, h) a C 3-10 cycloalkyl group, i) a C 6-14 aryl group, j) a 3-12 membered cycloheteroalkyl group, or k) a 5-13 membered heteroaryl group, wherein each of d) - k) optionally is substituted with 1-4 R 11 groups;
- R 9 and R 10 at each occurrence, independently are a) H, b) -OR 13 , c) -NR 14 R 15 , d) -S(O) 1n R 14 , e) -S(O) m OR 14 , f) -S(O) 2 NR 14 R 15 , g) -C(O)R 14 , h) -C(O)OR 14 , i) -C(O)NR 14 R 15 ,j) -C(S)R 14 , k) -C(S)OR 14 , 1) -C(S)NR 14 R 15 , m) a C 1-10 alkyl group, n) a C 2-10 alkenyl group, o) a C 2-10 alkynyl group, p) a C 1-10 haloalkyl group, q) a C 3-10 cycloalkyl group, r) a C 6-14 aryl group, s)
- R 11 at each occurrence, independently is a) R 12 , or b) -Y-R 12 ;
- R 12 at each occurrence, independently is a) halogen, b) -CN, c) -NO 2 , d) oxo, e) -OR 13 , f) -NR 14 R 15 , g) -N(O)R 14 R 15 , h) -S(O) m R 13 , i) -S(O) 01 OR 13 , j) -SO 2 NR 14 R 15 , k) -C(O)R 13 , 1) -C(O)OR 13 , m) -C(O)NR 14 R 15 , n) -C(S)R 13 , o) -C(S)OR 13 , p) -C(S)NR 14 R 15 , q) -Si(C 1-10 alkyl) 3 , r) a C 1-10 alkyl group, s) a C 2-10 alkenyl group, t) a C 2-10 alkyl
- R 13 is selected from a) H, b) -C(O)R 14 , c) -C(O)OR 14 , d) a Ci -10 alkyl group, e) a C 2- 10 alkenyl group, f) a C 2- Io alkynyl group, g) a C 1-10 haloalkyl group, h) a C 3-I0 cycloalkyl group, i) a C 6-14 aryl group, j) a 3-12 membered cycloheteroalkyl group, or k) a 5-13 membered heteroaryl group, wherein each of d) - k) optionally is substituted -with 1-4 R 16 groups;
- R 14 and R 15 at each occurrence, independently are a) H, b) a C 1-10 alkyl group, c) a C 2 -K) alkenyl group, d) a C2-10 alkynyl group, e) a C 1-10 haloalkyl group, f) a C3- 10 cycloalkyl group, g) a C 6-14 aryl group, h) a 3-12 membered cycloheteroalkyl group, or i) a 5-13 membered heteroaryl group; wherein each of b) — i) optionally is substituted with 1-4 R 16 groups;
- R 16 at each occurrence, independently is a) halogen, b) -CN, c) -NO 2 , d) -OH, e) -NH 2 , f) -NH(C 1-10 alkyl), g) oxo, h) -N(C 1-10 alkyl) 2 , i) -SH, j) -S(O) 1n -C 1-10 alkyl, k) -S(O) 2 OH, 1) -S(O) m -OC 1-10 alkyl, m) -C(O)-C 1-I0 alkyl, n) -C(O)OH, o) -C(O)-OC 1-10 alkyl, p) -C(O)NH 2 , q) -C(O)NH-C 1-10 alkyl, r) -C(O)N(C 1-10 alkyl) 2 , s) -C(S)NH
- n O, 1, or 2.
- the thieno[2,3-b]pyridine ring can be oxidized on the nitrogen atom to provide the corresponding N-oxide having the formula I' :
- the thieno[2,3-b]pyridine ring can be oxidized on the sulfur atom to provide the corresponding S-oxide or S,S-dioxide having the formula I":
- the thieno[2,3-b]pyridine ring of compounds of formula I can undergo mono- or di-oxidation at the sulfur atom and/or mono-oxidation at the nitrogen atom to provide the corresponding thieno [2,3 -b]pyridine-l -oxides, thieno[2,3-b]pyridine-l , 1 -dioxides, thieno[2,3-b]pyridine-l , 1 ,7-trioxides, thieno[2,3-b]pyridine-l,7-dioxides, and thieno[2,3-b]pyridine-7-oxides.
- X can be -NR 5 - Y-, -O-, -NR 5 C(O)-, or a covalent bond, where R 5 and Y are as defined hereinabove.
- R 5 can be H or a C 1-6 alkyl group
- Y can be a covalent bond or a divalent C ⁇ 6 alkyl group.
- X can be -NH-, -N(CH 3 )- -NH-CH 2 -, -NH-(CH 2 ) 2 - -N(CHj)-CH 2 - -O- -NHC(O)- -N(CH 3 )C(O)- or a covalent bond.
- R 1 can be a 5-13 membered heteroaryl group optionally substituted with 1-4 R 6 groups.
- 5-13 membered heteroaryl groups can include, but are not limited to, an indolyl group, a benzimidazolyl group, a pyrrolo[2 s 3-b]pyridinyl group, a pyridinyl group, and an imidazolyl group, each of which can be optionally substituted with 1-4 R 6 groups.
- R 1 can be an indolyl group optionally substituted with 1-4 R 6 groups and connected to X or the thienopyridine ring at any of the available carbon ring atoms.
- R 1 can be a lH-indol-5-yl group, a lH-indol-4-yl group, a lH-indol-7-yl group, a lH-indol-6-yl group, a 4-methyl-lH-indol-5-yl group, a 2- methyl-lH-indol-5-yl group, a 7-methyl-lH-indol-5-yl group, a 3 -methyl- lH-indol- 5-yl group, a 1 -methyl- lH-indol-5-yl group, a 6-methyl-lH-indol-5-yl group, or a 4- ethyl-lH-indol
- R 1 can be a lH-benzimidazol-5-yl group, a IH- benzimidazol-4-yl group, a lH-pyrrolo[2,3-b]pyridin-5-yl group, a lH-pyrrolo[2,3- b]pyridin-4-yl group, a pyridin-3-yl group, or a pyridin-4-yl group, each of which can be optionally substituted with 1-4 R 6 groups.
- R 1 can be a 4- chloro-lH-pyrrolo[2,3-b]pyridin-5-yl group or a 4-chloro-l-[(4- methylphenyl)sulfonyl] - 1 H-pyrrolo [2,3-b]pyridin-5 -yl group.
- R 2 can be H, a halogen, -C(O)R 8 , -C(O)OR 8 , or -C(O)NR 9 R 10 .
- R 2 can be H, I 5 Cl, Br, -C(O)R 8 , -C(O)OR 8 , or -C(O)NR 9 R 10 , where R 8 , R 9 and R 10 are as defined hereinabove.
- R 8 , R 9 , and R 10 independently can be H, a C 1-1O alkyl group, a 3-12 membered cycloheteroalkyl group, a 5-13 membered heteroaryl group, or a phenyl group, where each of the C 1-10 alkyl group, the 3-12 membered cycloheteroalkyl group, the 5-13 membered heteroaryl group, and the phenyl group can be optionally substituted with 1-4 R 11 groups as described hereinabove.
- R 2 can be a C 1-1 O alkyl group, a C 2-10 alkenyl group, a C 2-1 O alkynyl group, a C 3-1O cycloalkyl group, a 3-12 membered cycloheteroalkyl group, a C 6-14 aryl group, or a 5-13 membered heteroaryl group, each of which can be optionally substituted with 1-4 R 6 groups as described hereinabove.
- R 6 can be a halogen, an oxo group, -OR 8 , -NR 9 R 10 , -S(O) 2 R 8 , -S(O) 2 OR 8 , -SO 2 NR 9 R 10 , -C(O)R 8 , -C(O)OR 8 , -C(O)NR 9 R 10 , -Si(CH 3 ) 3 , a -C 1-4 alkyl-OR 8 , a -C 1-4 alkyl-NR 9 R 10 group, a -C 1-4 alkyl-C 6-14 aryl group, a -C 1-4 alkyl-3-12 membered cycloheteroalkyl group, a -C 1-4 alkyl-5-13 membered heteroaryl group, a C 1-10 alkyl group, a C 2-1O alkenyl group, a C 2-10 alkynyl group, a C 1-1O haloalkyl group,
- R 2 can be a C 1-6 alkyl group, a C 2-6 alkenyl group, or a C 2-6 alkynyl group, each of which can be optionally substituted 1-4 R groups, where R 6 , at each occurrence, independently can be a halogen, -OR 8 , -NR 9 R 10 , -C(O)R 8 , -C(O)OR 8 , -C(O)NR 9 R 10 , -Si(CH 3 ) 3 , a phenyl group, a 5-6 membered cycloheteroalkyl group, or a 5-6 membered heteroaryl group, R 8 , R 9 and R 10 are as defined hereinabove, and each of the phenyl group, the 5-6 membered cycloheteroalkyl group, and the 5-6 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups as described hereinabove.
- R 8 at each occurrence, independently can be H, a C 1-6 alkyl group, a phenyl group, a 5-6 membered cycloheteroalkyl group, a 5-6 membered heteroaryl group, wherein the Cj -6 alkyl group, the phenyl group, the 5-6 membered cycloheteroalkyl group, and the 5-6 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups.
- R 9 and R 10 at each occurrence, independently can be H, -N(C 1-6 alkyl) 2 group, a C 1-6 alkyl group, a phenyl group, a 5-6 membered cycloheteroalkyl group, or a 5-6 membered heteroaryl group, wherein the Cj -6 alkyl group, the phenyl group, the 5-6 membered cycloheteroalkyl group, and the 5-6 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups.
- the 5-6 membered cycloheteroalkyl group and the 5-6 membered heteroaryl group can be a piperazinyl group, a piperidinyl group, pyrrolidinyl group, a morpholinyl group, a pyrazolyl group, a pyrimidinyl group, or a pyridinyl group, each of which can be optionally substituted with 1-4 R 11 groups.
- R 11 independently can be a halogen, OR 13 , -NR 14 R 15 , -C(O)NR 14 R 15 , a Ci -6 alkyl group, a Ci -6 alkoxyl group, a C 1-6 haloalkyl group, a -C 1-4 alkyl-NR 14 R 15 group, a -C 1-4 alkyl-phenyl group, a -C 1-4 alkyl-5-6 membered cycloheteroalkyl group, or a -C 1-4 alkyl-5-6 membered heteroaryl group, where R 13 , R 14 and R 15 are as defined hereinabove.
- R 2 can be a C 3-6 cycloalkyl group, a 3-10 membered cycloheteroalkyl group, a C 6-10 aryl group, or a 5-10 membered heteroaryl group, each of which can be optionally substituted with 1-4 R 6 groups as described hereinabove.
- the C 3-6 cycloalkyl group, the 3-10 membered cycloheteroalkyl group, the C 6-10 aryl group, and the 5-10 membered heteroaryl group can be a cyclohexanyl group, a cyclohexenyl group, a piperazinyl group, a piperidinyl group, a morpholinyl group, a pyrrolidinyl group, a tetrahydropyridinyl group, a dihydropyridinyl group, a phenyl group, a naphthyl group, a pyridinyl group, a pyrazolyl group, a pyridazinyl group, an indolyl group, a pyrazinyl group, a pyrimidinyl group, a thienyl group, a furyl group, a thiazolyl group, a quinolinyl group, a benzo
- R at each occurrence, independently can be a halogen, an oxo group, -OR 8 , -NR 9 R 10 , -S(O) 2 R 8 , -S(O) 2 OR 8 , -SO 2 NR 9 R 10 , -C(O)R 8 , -C(O)OR 8 , -C(O)NR 9 R 10 , a C 1-10 alkyl group, a C 3-10 cycloalkyl group, a C 6-14 aryl group, a 3- 12 membered cycloheteroalkyl group, or a 5-13 membered heteroaryl group, where R 8 , R 9 and R 10 are as defined hereinabove and each of the C 1-I0 alkyl group, the C 3-10 cycloalkyl group, the C 6-14 aryl group, the 3-12 membered cycloheteroalkyl group, and the 5-13 membered heteroaryl group can be optionally substituted
- R can be a phenyl group optionally substituted with 1-4 R 6 groups, where R 6 , at each occurrence, independently can be a halogen, -OR 8 , -NR 9 R 10 , -S(O) 2 R 8 , -SO 2 NR 9 R 10 , -C(O)R 8 , -C(O)OR 8 , -C(O)NR 9 R 10 , a C 1-6 alkyl group, a C 3-6 cycloalkyl group, a C 6-1 O aryl group, a 3-10 membered cycloheteroalkyl group, and a 5-10 membered heteroaryl group, where R 8 , R 9 and R 10 are as defined hereinabove and each of the C 1-6 alkyl group, the C 3-6 cycloalkyl group, the C 6-10 aryl group, the 3-10 membered cycloheteroalkyl group, and the 5-10 membered heteroaryl group, where R
- the C 3-1O cycloalkyl group, the C 6-1O aryl group, the 3-10 membered cycloheteroalkyl group, and the 5-10 membered heteroaryl group can be a cyclohexanyl group, a cyclohexenyl group, a piperazinyl group, a piperidinyl group, a morpholinyl group, a pyrrolidinyl group, a tetrahydropyridinyl group, a dihydropyridinyl group, a phenyl group, a naphthyl group, a pyridinyl group, a pyrazolyl group, a pyridazinyl group, an indolyl group, a pyrazinyl group, a pyrimidinyl group, a thienyl group, a furyl group, a thiazolyl group, a quinolinyl group,
- R 8 at each occurrence, independently can be H, a C 1-6 alkyl group, a phenyl group, a 5-6 membered cycloheteroalkyl group, or a 5-6 membered heteroaryl group, wherein the C 1-6 alkyl group, the phenyl group, the 5-6 membered cycloheteroalkyl group, and the 5-6 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups.
- R 9 and R 10 at each occurrence, independently can be H, -C(O)OR 14 , -C(O)NR 14 R 15 , -S(O) 2 R 14 , -S(O) 2 NR 14 R 15 , -NR 14 R 15 , a C 1-6 alkyl group, a phenyl group, a 5-6 membered cycloheteroalkyl group, or a 5-6 membered heteroaryl group, wherein R 14 and R 15 are as defined hereinabove and each of the C 1-6 alkyl group, the phenyl group, the 5-6 membered cycloheteroalkyl group, and the 5-6 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups.
- the 5-6 membered cycloheteroalkyl group and the 5-6 membered heteroaryl group can be a piperazinyl group, a piperidinyl group, pyrrolidinyl group, a morpholinyl group, a pyrazolyl group, a pyrimidinyl group, or a pyridinyl group, each of which can be optionally substituted with 1-4 R 11 groups.
- R 11 independently can be a halogen, OR 13 , -NR 14 R 15 , -C(O)NR 14 R 15 , a C 1-6 alkyl group, a C 1-6 alkoxyl group, a C 1-6 haloalkyl group, a -C 1-2 alkyl-NR 14 R 15 group, a -C 1-2 alkyl-phenyl group, a -C 1-2 alkyl-5-6 membered cycloheteroalkyl group, or a -C 1-2 alkyl-5-6 membered heteroaryl group, where R 13 , R 4 and R 15 are as defined hereinabove.
- R 2 can have the formula -A-J-G, wherein A is a divalent C 2-10 alkenyl group, a divalent C 2-I0 alkynyl group, a divalent C 3-10 cycloalkyl group, a divalent 3-12 membered cycloheteroalkyl group, a divalent C 6-14 aryl group, or a divalent 5-13 membered heteroaryl group; J is a divalent C 1-10 alkyl group or a covalent bond; and G is selected from H, -S(O) 1n R 8 , -S(O) m OR 8 , -SO 2 NR 9 R 10 , -C(O)R 8 , -C(O)OR 8 , -C(O)NR 9 R 10 , NR 9 R 10 , a 3-12 membered cycloheteroalkyl group, a C 6-14 aryl group, and a 5-13 membered heteroaryl group,
- Certain compounds of these embodiments include those wherein A is a phenyl group, J is a divalent C 1-2 alkyl group, and G is a 3-12 membered cycloheteroalkyl group optionally substituted with 1-4 R 11 groups.
- 3- 12 membered cycloheteroalkyl groups can include, but are not limited to, a pyrrolidinyl group, a piperidinyl group, a piperazinyl group, and a morpholinyl group.
- G can be an N-substituted piperazinyl group, wherein the substitution group has the formula -(CH 2 ) n -D, wherein n is 1, 2, or 3, and D is selected from H, -OR 13 , -NR 14 R 15 , -C(O)R 13 , a 3- 12 membered cycloheteroalkyl group, a C 6-14 aryl group, or a 5-13 membered heteroaryl group.
- G can be -NR 9 R 10 .
- R 9 can be H or a C 1- io alkyl group, wherein the C 1-10 alkyl group optionally can be substituted with -OR 11
- R 10 can be H or a CM O alkyl group, wherein the C 1-10 alkyl group optionally can be substituted with 1-4 moieties selected from -OR 13 , -NR 14 R 15 , and a 3-10 membered cycloheteroalkyl group.
- A is a divalent C 2-10 alkenyl group or a divalent C 2-10 alkynyl group; J is a covalent bond; and G is selected from -NR 9 R 10 , -Si(C 1-6 alkyl) 3 , a 3-12 membered cycloheteroalkyl group, a C 6-14 aryl group, and a 5-13 membered heteroaryl group, wherein each of the 3-12 membered cycloheteroalkyl group, the C 6-14 aryl group, and the 5-13 membered heteroaryl group can be optionally substituted with 1-4 R 11 groups.
- R 11 can be selected from -NR 14 R 15 , a -C 1-2 alkyl-NR 14 R 15 group, and a -C 1-2 alkyl-3-12 membered cycloheteroalkyl group, wherein the 3-12 membered cycloheteroalkyl group optionally can be substituted with 1-4 R 16 groups.
- R can be H, a halogen, a C 1-6 alkyl group, a C 2-6 alkynyl group, or a phenyl group, wherein the C 1-6 alkyl group, the C 2-6 alkynyl group, and the phenyl group can be optionally substituted with 1-4 R 6 groups.
- R 6 at each occurrence, independently can be -NR 9 R 10 , a C 1-6 alkyl group, a phenyl group, or a 5-10 cycloheteroalkyl group, wherein the C 1-6 alkyl group, the phenyl group, and the 5-10 cycloheteroalkyl group can be optionally substituted with 1-4 R 11 groups.
- R 4 can be H.
- the present teachings can exclude certain embodiments of compounds within the genus of compounds identified by formula I.
- R 4 is an optionally substituted 3-12 membered cycloheteroalkyl group or an optionally substituted 5-13 membered heteroaryl group
- the optionally substituted 3-12 membered cycloheteroalkyl group and the optionally substituted 5- 13 membered heteroaryl group are not a 5-6 membered or 11-12 membered nitrogen-containing monocyclic or bicyclic group connected to the thienopyridine ring via a nitrogen atom.
- Compounds of the present teachings include, but are not limited to, the compounds presented in Table 1 below.
- prodrugs of the compounds disclosed herein are also provided.
- the compounds of the present teachings can be useful for the treatment or inhibition of a pathological condition or disorder in a mammal.
- the present teachings accordingly include a method of providing to a mammal a pharmaceutical composition that comprises a compound of the present teachings in combination or association with a pharmaceutically acceptable carrier.
- the compound of the present teachings can be administered alone or in combination with other therapeutically effective compounds or therapies for the treatment or inhibition of the pathological condition or disorder.
- the present teachings further include use of the compounds disclosed herein as active therapeutic substances for the treatment or inhibition of the pathological condition or disorder, for example, a condition mediated by a protein kinase such as protein kinase C (PKC) and its theta isoform (PKC ⁇ ), and for the alleviation of symptoms thereof.
- a protein kinase such as protein kinase C (PKC) and its theta isoform (PKC ⁇ )
- PLC protein kinase C
- PLC ⁇ protein kinase C
- the pathological condition or disorder can include, but is not limited to, inflammatory diseases and autoimmune diseases such as asthma, psoriasis, arthritis, rheumatoid arthritis, osteoarthritis, joint inflammation, multiple sclerosis, diabetes including type II diabetes, and inflammatory bowel diseases (IBD) such as Crohn's disease and colitis.
- IBD inflammatory bowel diseases
- the present teachings further provide methods of treating these pathological conditions and disorders using the compounds described herein.
- the methods include identifying a mammal having a pathological condition or disorder mediated by a protein kinase such as PKC and PKC ⁇ , and administering to the mammal a therapeutically effective amount of a compound as described herein.
- salts of the compounds of formula I can be formed using organic and inorganic bases.
- Suitable salts formed with bases include metal salts, such as alkali metal or alkaline earth metal salts, for example sodium, potassium, or magnesium salts; ammonia salts and organic amine salts, such as those formed with morpholine, thiomorpholine, piperidine, pyrrolidine, a mono-, di- or tri-lower alkylamine (e.g., ethyl-tert-butyl-, diethyl-, diisopropyl-, triethyl-, tributyl- or dimethylpropylamine), or a mono-, di-, or trihydroxy lower alkylamine (e.g., mono-, di- or triethanolamine).
- metal salts such as alkali metal or alkaline earth metal salts, for example sodium, potassium, or magnesium salts
- ammonia salts and organic amine salts such as those formed with morpholine,
- salts can be formed using organic and inorganic acids.
- salts can be formed from the following acids: acetic, propionic, lactic, citric, tartaric, succinic, fumaric, maleic, malonic, mandelic, malic, phthalic, hydrochloric, hydrobromic, phosphoric, nitric, sulfuric, methanesulfonic, napthalenesulfonic, benzenesulfonic, toluenesulfonic, and camphorsulfonic as well as other known pharmaceutically acceptable acids.
- prodrugs of the compounds described herein refers to a moiety that produces, generates or releases a compound of the present teachings when administered to a mammalian subject.
- Prodrugs can be prepared by modifying functional groups present in the compounds in such a way that the modifications are cleaved, either by routine manipulation or in vivo, from the parent compounds.
- prodrugs include compounds described herein that contain one or more molecular moieties appended to a hydroxyl, amino, sulfhydryl, or carboxyl group of the compound, and that when administered to a mammalian subject, is cleaved in vivo to form the free hydroxyl, amino, sulfhydryl, or carboxyl group, respectively.
- prodrugs can include, but are not limited to, acetate, formate and benzoate derivatives of alcohol and amine functional groups in the compounds of the present teachings. Preparation and use of prodrugs is discussed in T. Higuchi and V. Stella, "Pro-drugs as Novel Delivery Systems," Vol. 14 of the A.C.S. Symposium Series, and in Bioreversible Carriers in Drug Design, ed. Edward B. Roche, American Pharmaceutical Association and Pergamon Press, 1987, the entire disclosure of which is incorporated by reference herein for all purposes.
- compositions comprising at least one compound described herein and one or more pharmaceutically acceptable carriers, excipients, or diluents.
- pharmaceutically acceptable carriers are those that are compatible with the other ingredients in the formulation and are biologically acceptable.
- Supplementary active ingredients can also be incorporated into the pharmaceutical compositions.
- Compounds of the present teachings can be administered orally or parenterally, neat or in combination with conventional pharmaceutical carriers.
- Applicable solid carriers can include one or more substances which can also act as flavoring agents, lubricants, solubilizers, suspending agents, fillers, glidants, compression aids, binders or tablet-disintegrating agents, or encapsulating materials.
- the compounds can be formulated in conventional manner, for example, in a manner similar to that used for known antiinflammatory agents.
- Oral formulations containing an active compound disclosed herein can comprise any conventionally used oral form, including tablets, capsules, buccal forms, troches, lozenges and oral liquids, suspensions or solutions.
- the carrier in powders, can be a finely divided solid, which is an admixture with a finely divided active ingredient.
- an active compound in tablets, can be mixed with a carrier having the necessary compression properties in suitable proportions and compacted in the shape and size desired.
- the powders and tablets can contain up to 99% of the active ingredient.
- Capsules can contain mixtures of the active compound(s) with inert filler(s) and/or diluent(s) such as the pharmaceutically acceptable starches (e.g., corn, potato or tapioca starch), sugars, artificial sweetening agents, powdered celluloses (e.g., crystalline and microcrystalline celluloses), flours, gelatins, gums, and the like.
- inert filler(s) and/or diluent(s) such as the pharmaceutically acceptable starches (e.g., corn, potato or tapioca starch), sugars, artificial sweetening agents, powdered celluloses (e.g., crystalline and microcrystalline celluloses), flours, gelatins, gums, and the like.
- Useful tablet formulations can be made by conventional compression, wet granulation or dry granulation methods and utilize pharmaceutically acceptable diluents, binding agents, lubricants, disintegrants, surface modifying agents (including surfactants), suspending or stabilizing agents, including, but not limited to, magnesium stearate, stearic acid, sodium lauryl sulfate, talc, sugars, lactose, dextrin, starch, gelatin, cellulose, methyl cellulose, microcrystalline cellulose, sodium carboxymethyl cellulose, carboxymethylcellulose calcium, polyvinylpyrrolidine, alginic acid, acacia gum, xanthan gum, sodium citrate, complex silicates, calcium carbonate, glycine, sucrose, sorbitol, dicalcium phosphate, calcium sulfate, lactose, kaolin, mamiitol, sodium chloride, low melting waxes, and ion exchange resins.
- pharmaceutically acceptable diluents
- Surface modifying agents can include nonionic and anionic surface modifying agents.
- surface modifying agents can include, but are not limited to, poloxamer 188, benzalkonium chloride, calcium stearate, cetostearl alcohol, cetomacrogol emulsifying wax, sorbitan esters, colliodol silicon dioxide, phosphates, sodium dodecylsulfate, magnesium aluminum silicate, and triethanolamine.
- Oral formulations herein can utilize standard delay or time- release formulations to alter the absorption of the active compound(s).
- the oral formulation can also consist of administering an active compound in water or fruit juice, containing appropriate solubilizers or emulisifiers as needed.
- Liquid carriers can be used in preparing solutions, suspensions, emulsions, syrups, and elixirs.
- An active compound disclosed herein can be dissolved or suspended in a pharmaceutically acceptable liquid carrier such as water, an organic solvent, or a mixture of both, or pharmaceutically acceptable oils or fats.
- the liquid carrier can contain other suitable pharmaceutical additives such as solubilizers, emulsifiers, buffers, preservatives, sweeteners, flavoring agents, suspending agents, thickening agents, colors, viscosity regulators, stabilizers or osmo-regulators.
- liquid carriers for oral and parenteral administration include, but are not limited to, water (particularly containing additives as described above, e.g., cellulose derivatives such as a sodium carboxymethyl cellulose solution), alcohols (including monohydric alcohols and polyhydric alcohols, e.g., glycols) and their derivatives, and oils (e.g., fractionated coconut oil and arachis oil).
- the carrier can be an oily ester such as ethyl oleate and isopropyl myristate.
- Sterile liquid carriers are used in sterile liquid form compositions for parenteral administration.
- the liquid carrier for pressurized compositions can be halogenated hydrocarbon or other pharmaceutically acceptable propellants.
- Liquid pharmaceutical compositions which are sterile solutions or suspensions, can be utilized by, for example, intramuscular, intraperitoneal or subcutaneous injection. Sterile solutions can also be administered intravenously.
- Compositions for oral administration can be in either liquid or solid form.
- the pharmaceutical composition is in unit dosage form, for example, as tablets, capsules, powders, solutions, suspensions, emulsions, granules, or suppositories.
- the pharmaceutical composition can be sub-divided in unit dose(s) containing appropriate quantities of the active compound.
- the unit dosage forms can be packaged compositions, for example, packeted powders, vials, ampoules, prefilled syringes or sachets containing liquids.
- the unit dosage form can be a capsule or tablet itself, or it can be the appropriate number of any such compositions in package form.
- Such unit dosage form can contain from about 1 mg/kg of active ingredient to about 500 mg/kg of active ingredient, and can be given in a single dose or in two or more doses.
- Such doses can be administered in any manner useful in directing the active compound(s) herein to the recipient's bloodstream, including orally, via implants, parenterally (including intravenous, intraperitoneal and subcutaneous injections), rectally, vaginally, and transdermally.
- Such administrations can be carried out using compounds of the present teachings including pharmaceutically acceptable salts thereof, in lotions, creams, foams, patches, suspensions, solutions, and suppositories (rectal and vaginal).
- the effective dosage can vary depending upon the particular compound utilized, the mode of administration, and severity of the condition being treated, as well as the various physical factors related to the individual being treated.
- a compound of the present teachings can be provided to a patient already suffering from a disease in an amount sufficient to cure or at least partially ameliorate the symptoms of the disease and its complications. An amount adequate to accomplish this result is defined as a "therapeutically effective amount.”
- the dosage to be used in the treatment of a specific individual typically must be subjectively determined by the attending physician. The variables involved include the specific condition and its state as well as the size, age and response pattern of the patient.
- the compounds of the present teachings can be formulated into an aqueous or partially aqueous solution.
- compositions described herein can be administered parenterally or intraperitoneally.
- Solutions or suspensions of these active compounds or pharmaceutically acceptable salts thereof can be prepared in water suitably mixed with a surfactant such as hydroxyl-propylcellulose.
- Dispersions can also be prepared in glycerol, liquid polyethylene glycols, and mixtures thereof in oils. Under ordinary conditions of storage and use, these preparations contain a preservative to inhibit the growth of microorganisms.
- the pharmaceutical forms suitable for injection can include sterile aqueous solutions or dispersions and sterile powders for the extemporaneous preparation of sterile injectable solutions or dispersions.
- the form is sterile and its viscosity permits it to flow through a syringe.
- the form preferably is stable under the conditions of manufacture and storage and can be preserved against the contaminating action of microorganisms such as bacteria and fungi.
- the carrier can be a solvent or dispersion medium containing, for example, water, ethanol, polyol (e.g., glycerol, propylene glycol and liquid polyethylene glycol), suitable mixtures thereof, and vegetable oils.
- Compounds described herein can be administered transdermally, i.e., administered across the surface of the body and the inner linings of bodily passages including epithelial and mucosal tissues. Such administration can be carried out using compounds of the present teachings including pharmaceutically acceptable salts thereof, in lotions, creams, foams, patches, suspensions, solutions, and suppositories (rectal and vaginal). Topical formulations that deliver active compound(s) through the epidermis can be useful for localized treatment of inflammation and arthritis.
- Transdermal administration can be accomplished through the use of a transdermal patch containing an active compound and a carrier that can be inert to the active compound, can be non-toxic to the skin, and can allow delivery of the active compound for systemic absorption into the blood stream via the skin.
- the carrier can take any number of forms such as creams and ointments, pastes, gels and occlusive devices.
- the creams and ointments can be viscous liquid or semisolid emulsions of either the oil-in-water or water-in-oil type. Pastes comprised of absorptive powders dispersed in petroleum or hydrophilic petroleum containing the active ingredient can also be suitable.
- occlusive devices can be used to release the active ingredient into the blood stream, such as a semi-permeable membrane covering a reservoir containing the active ingredient with or without a carrier, or a matrix containing the active ingredient.
- Other occlusive devices are known in the literature.
- Suppository formulations can be made from traditional materials, including cocoa butter, with or without the addition of waxes to alter the suppository's melting point, and glycerin.
- Water-soluble suppository bases such as polyethylene glycols of various molecular weights, can also be used.
- Lipid formulations or nanocapsules can be used to introduce compounds of the present teachings into host cells either in vitro or in vivo.
- Lipid formulations and nanocapsules can be prepared by methods known in the art.
- compositions can be desirable to combine the compositions with other agents effective in the treatment of the target disease.
- other active compounds e.g., other active ingredient or agents
- effective in their treatment and particularly in the treatment of asthma and arthritis
- the other agents can be administered at the same time or at different times than the compounds disclosed herein.
- compositions are described as having, including, or comprising specific components, or where processes are described as having, including, or comprising specific process steps, it is contemplated that compositions of the present teachings also consist essentially of, or consist of, the recited components, and that the processes of the present teachings also consist essentially of, or consist of, the recited processing steps.
- an element or component is said to be included in and/or selected from a list of recited elements or components, it should be understood that the element or component can be any one of the recited elements or components and can be selected from a group consisting of two or more of the recited elements or components.
- halo or halogen includes fluoro, chloro, bromo, and iodo.
- alkyl refers to a straight-chain or branched saturated hydrocarbon group.
- alkyl groups include methyl (Me), ethyl (Et), propyl (e.g., n-propyl and isopropyl), butyl (e.g., n-butyl, isobutyl, s-butyl, t- butyl), pentyl groups (e.g., n-pentyl, isopentyl, neopentyl) and the like.
- alkyl groups can be substituted with up to four independently selected R 6 , R 11 , or R 16 groups, where R 6 , R 11 and R 16 are as described herein but typically exclude alkyl groups, alkenyl groups, and alkynyl groups.
- a lower alkyl group typically has up to 6 carbon atoms. Examples of lower alkyl groups include methyl, ethyl, propyl (e.g., n-propyl and isopropyl), and butyl groups (e.g., n-butyl, isobutyl, s-butyl, t-butyl).
- alkenyl refers to a straight-chain or branched alkyl group having one or more double carbon-carbon bonds.
- alkenyl groups include, but are not limited to, ethenyl, propenyl, butenyl, pentenyl, hexenyl, butadienyl, pentadienyl, hexadienyl groups, and the like.
- the one or more double carbon-carbon bonds can be internal (such as in 2-butene) or terminal (such as in 1- butene).
- alkenyl groups can be substituted with up to four independently selected R , R 11 , or R 16 groups, where R 6 , R 11 and R 16 are as described herein but typically exclude alkyl groups, alkenyl groups, and alkynyl groups.
- alkynyl refers to a straight-chain or branched alkyl group having one or more triple carbon-carbon bonds.
- alkynyl groups include, but are not limited to, ethynyl, propynyl, butynyl, pentynyl, and the like.
- the one or more triple carbon-carbon bonds can be internal (such as in 2-butyne) or terminal (such as in 1-butyne).
- alkynyl groups can be substituted with up to four independently selected R 6 , R 11 , or R 1 groups, where R , R 11 and R 16 are as described herein but typically exclude alkyl groups, alkenyl groups, and alkynyl groups.
- alkoxy refers to an -O-alkyl group.
- alkoxy groups include, but are not limited to, methoxy, ethoxy, propoxy (e.g., n-propoxy and isopropoxy), t-butoxy groups, and the like.
- alkylthio refers to an -S-alkyl group.
- alkylthio groups include, but are not limited to, methylthio, ethylthio, propylthio (e.g., n-propylthio and isopropylthio), t-butylthio groups, and the like.
- haloalkyl refers to an alkyl group having one or more halogen substituents.
- haloalkyl groups include, but are not limited to, CF 3 , C 2 F 5 , CHF 2 , CH 2 F, CCl 3 , CHCl 2 , CH 2 Cl, C 2 Cl 5 , and the like.
- Perhaloalkyl groups i.e., alkyl groups wherein all of the hydrogen atoms are replaced with halogen atoms (e.g., CF 3 and C 2 F 5 ), are included within the definition of "haloalkyl.”
- cycloalkyl refers to a non-aromatic carbocyclic group including cyclized alkyl, alkenyl, and alkynyl groups.
- a cycloalkyl group can be monocyclic (e.g., cyclohexyl) or polycyclic (e.g. containing fused, bridged, or spiro ring systems), wherein the carbon atoms are located inside or outside of the ring system.
- cycloalkyl groups include, but are not limited to, cyclopropyl, cyclopropylmethyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexylmethyl, cyclohexylethyl, cycloheptyl, cyclopentenyl, cyclohexenyl, cyclohexadienyl, cycloheptatrienyl, norbornyl, norpinyl, norcarnyl, adamantyl, spiro[4.5]decanyl groups, as well as homologs, isomers, and the like.
- cycloalkyl groups are moieties that have one or more aromatic rings fused (i.e., having a bond in common with) to the cycloalkyl ring, for example, benzo derivatives of cyclopentane (i.e., an indanyl group), cyclohexane (i.e., a tetrahydronaphthyl group), and the like.
- cycloalkyl groups can be substituted with up to four independently selected R , R 11 , or R 16 groups, where R 6 , R 11 and R 16 are as described herein.
- a cycloalkyl group can include substitution of one or more oxo groups.
- aryl refers to an aromatic monocyclic or polycyclic hydrocarbon ring system such as, for example, phenyl, 1-naphthyl, 2-naphthyl, anthracenyl, phenanthrenyl groups, and the like.
- a monocyclic aryl group can have from 6 to 14 carbon atoms and a polycyclic aryl group can have from 8 to 14 carbon atoms. Any suitable ring position of the aryl group can be covalently linked to the defined chemical structure.
- aryl groups optionally contain up to four independently selected R 6 , R 11 , or R 16 groups, where R 6 , R 11 and R 16 are as described herein.
- heteroatom refers to an atom of any element other than carbon or hydrogen and includes, for example, nitrogen, oxygen, sulfur, phosphorus, and selenium.
- heteroaryl refers to a monocyclic or polycyclic aromatic ring system having 5 to 13 ring atoms and containing 1-3 ring heteroatoms selected from oxygen (O), nitrogen (N) and sulfur (S). Generally, heteroaryl groups do not contain O-O, S-S, or S-O bonds. Heteroaryl groups include monocyclic heteroaryl rings fused to a phenyl ring. The heteroaryl group can be attached to the defined chemical structure at any heteroatom or carbon atom that results in a stable structure. Examples of heteroaryl groups can include, for example:
- K is defined as O, S, NH, NR 6 , NR 11 , or NR 16 , where R 6 , R 11 , and R 16 are described herein.
- One or more N or S atoms in a heteroaryl ring can be oxidized (e.g., pyridine N-oxide, thiophene S-oxide, thiophene S,S-dioxide).
- heteroaryl rings include, but are not limited to, pyrrole, furan, thiophene, pyridine, pyrimidine, pyridazine, pyrazine, triazole, pyrazole, imidazole, isothiazole, thiazole, thiadiazole, isoxazole, oxazole, oxadiazole, indole, isoindole, benzofuran, benzothiophene, quinoline, 2-methylquinoline, isoquinoline, quinoxaline, quinazoline, benzotriazole, benztetrazole, indazole, benzimidazole, benzothiazole, benzisothiazole, benzisoxazole, benzoxadiazole, benzoxazole, cinnoline, IH- indazole, 2H-indazole, indolizin, isobenzofuran, naphthyridine, phthala
- cycloheteroalkyl refers to a non-aromatic cycloalkyl group having 3 to 12 ring atoms, among which 1 to 3 ring atoms are heteroatoms selected from oxygen (O), nitrogen (N) and sulfur (S), and optionally containing one or more, e.g., two, double or triple bonds.
- One or more N or S atoms in a cycloheteroalkyl ring can be oxidized (e.g., morpholine N-oxide, thiornorpholine S- oxide, thiomorpholine S,S-dioxide).
- cycloheteroalkyl groups include, but are not limited to, morpholine, thiomorpholine, pyran, imidazolidine, imidazoline, oxazolidine, pyrazolidine, pyrazoline, pyrrolidine, pyrroline, tetrahydrofuran, tetrahydrothiophene, piperidine, piperazine, and the like.
- cycloheteroalkyl groups can be optionally substituted with up to four independently selected R 6 , R 11 , or R 16 groups, where R 6 , R 11 , and R 16 are as described herein.
- nitrogen atoms of cycloheteroalkyl groups can bear a substituent, for example an R 6 , R 11 , or R 16 group, where R 6 , R 11 , and R 16 are as described herein.
- R 6 , R 11 , and R 16 are as described herein.
- moieties that have one or more aromatic rings fused (i.e., have a bond in common with) to the cycloheteroalkyl group for example, benzimidazoline, chromane, chromene, indolinetetrahydroquinoline, and the like.
- Cycloheteroalkyl groups can also contain one or more oxo groups, such as phthalimide, piperidone, oxazolidinone, pyrimidine-2,4(lH,3H)-dione, pyridin-2(lH)-one, and the like.
- oxo groups such as phthalimide, piperidone, oxazolidinone, pyrimidine-2,4(lH,3H)-dione, pyridin-2(lH)-one, and the like.
- the bond between the nitrogen atom and the oxygen atom can be illustrated herein as a “dative” (or “coordinate covalence”) bond.
- the arrow represents a two-electron bond in which the two electrons are considered as belonging to the atom to which the arrow points, i.e., the oxygen atom.
- the nitrogen atom will have the correct valence when oxidized.
- the resulting structure in relevant part, can be alternatively illustrated as:
- Compounds of the present teachings can include a "divalent group" defined herein as a linking group capable of forming a covalent bond with two other moieties.
- compounds of the present teachings can include a divalent C 1-10 alkyl group, such as, for example, a methylene group.
- substituents of compounds of the invention are disclosed in groups or in ranges. It is specifically intended that the description include each and every individual subcombination of the members of such groups and ranges.
- C 1-10 alkyl is specifically intended to individually disclose C 1 , C 2 , C 3 , C 4 , C 5 , C 6 , C 7 , C 8 , C 9 , C 10 , C 1 -C 10 , C 1 -C 9 , C 1 -C 8 , C 1 -C 7 , C 1 -C 6 , C 1 -C 5 , C 1 -C 4 , C 1 -C 3 , C 1 -C 2 , C 2 -C 10 , C 2 -C 9 , C 2 -C 8 , C 2 -C 7 , C 2 -C 6 , C 2 -C 5 , C 2 -C 4 , C 2 -C 3 , C 3 -C 10 , C 3 -C 9 , C 3 -C 8 , C 3 -C 7 , C 3 -C 6 , C 3 -C 5 , C 3 -C 4 , C 4 --C 3 , C
- the term "5-13 membered heteroaryl group” is specifically intended to individually disclose a heteroaryl group having 5, 6, 7, 8, 9, 10, 11, 12, 13, 5-13, 5-12, 5-11, 5-10, 5-9, 5-8, 5-7, 5-6, 6-13, 6-12, 6-11, 6-10, 6-9, 6-8, 6-7, 7- 13, 7-12, 7-11, 7-10, 7-9, 7-8, 8-13, 8-12, 8-11, 8-10, 8-9, 9-13, 9-12, 9-11, 9-10, 10- 13, 10-12, 10-11, 11-13, 11-12, and 12-13 ring atoms.
- asymmetric atom also referred as a chiral center
- some of the compounds can contain one or more asymmetric atoms or centers, which can thus give rise to optical isomers (enantiomers) and diastereomers.
- the present teachings and compounds disclosed herein include such optical isomers (enantiomers) and diastereomers (geometric isomers), as well as the racemic and resolved, enantiomerically pure R and S stereoisomers, as well as other mixtures of the R and S stereoisomers and pharmaceutically acceptable salts thereof.
- Optical isomers can be obtained in pure form by standard procedures known to those skilled in the art, which include, but are not limited to, diastereomeric salt formation, kinetic resolution, and asymmetric synthesis.
- the present teachings also encompass cis and trans isomers of compounds containing alkenyl moieties (e.g., alkenes and imines). It is also understood that the present teachings encompass all possible regioisomers, and mixtures thereof, which can be obtained in pure form by standard separation procedures known to those skilled in the art, and include, but are not limited to, column chromatography, thin-layer chromatography, and high- performance liquid chromatography.
- the compounds of the present teachings can be conveniently prepared in accordance with the procedures outlined in the schemes below, from commercially available starting materials, compounds known in the literature, or readily prepared intermediates, by employing standard synthetic methods and procedures known to those skilled in the art.
- Standard synthetic methods and procedures for the preparation of organic molecules and functional group transformations and manipulations can be readily obtained from the relevant scientific literature or from standard textbooks in the field. It will be appreciated that where typical or preferred process conditions (i.e., reaction temperatures, times, mole ratios of reactants, solvents, pressures, etc.) are given, other process conditions can also be used unless otherwise stated. Optimum reaction conditions may vary with the particular reactants or solvent used, but such conditions can be determined by one skilled in the art by routine optimization procedures. Those skilled in the art of organic synthesis will recognize that the nature and order of the synthetic steps presented may be varied for the purpose of optimizing the formation of the compounds described herein.
- product formation can be monitored by spectroscopic means, such as nuclear magnetic resonance spectroscopy (e.g., 1 H or 13 C), infrared spectroscopy, spectrophotometry (e.g., UV-visible), or mass spectrometry, or by chromatography such as high performance liquid chromatograpy (HPLC) or thin layer chromatography.
- spectroscopic means such as nuclear magnetic resonance spectroscopy (e.g., 1 H or 13 C), infrared spectroscopy, spectrophotometry (e.g., UV-visible), or mass spectrometry
- chromatography such as high performance liquid chromatograpy (HPLC) or thin layer chromatography.
- Preparation of compounds can involve the protection and deprotection of various chemical groups.
- the need for protection and deprotection and the selection of appropriate protecting groups can be readily determined by one skilled in the art.
- the chemistry of protecting groups can be found, for example, in Greene, et al., Protective Groups in Organic Synthesis, 2d. Ed., Wiley & Sons, 1991, the entire disclosure of which is incorporated by reference herein for all purposes.
- Suitable solvents typically are substantially nonreactive with the reactants, intermediates, and/or products at the temperatures at which the reactions are carried out, i.e., temperatures that can range from the solvent's freezing temperature to the solvent's boiling temperature.
- a given reaction can be carried out in one solvent or a mixture of more than one solvent.
- suitable solvents for a particular reaction step can be selected.
- reaction conditions include the use of sodium hydride in a solvent such as tetrahydrofuran (THF) or dimethylformamide (DMF) at elevated temperatures of 60-70 0 C, or the use of a palladium catalyst such as tris(dibenzylideneacetone)dipalladium in the presence of potassium phosphate and a ligand such as 2-dicyclohexylphosphino-2'-(N, N-dimethylamino)biphenyl, in a solvent such as dimethoxyethane (DME).
- a solvent such as tetrahydrofuran (THF) or dimethylformamide (DMF)
- a palladium catalyst such as tris(dibenzylideneacetone)dipalladium
- a ligand such as 2-dicyclohexylphosphino-2'-(N, N-dimethylamino)biphenyl
- the addition reaction can be conducted in a solvent such as DMF in the presence of a base, such as sodium hydride, or in a solvent such as 2-ethoxyethanol in the presence of a base such as triethylamine or diisopropylethylamine, to provide compounds of formula I where X is NR 5 (CH 2 ) n .
- a key intermediate for preparing compounds of formula I is a 4- chlorothieno[2,3-b]pyridine-5-carbonitrile where C2 or C3 is substituted with a leaving group such as a halide.
- Scheme 2 below depicts several possible routes for the preparation of this family of intermediates.
- 4-Chlorothieno[2,3-b]pyridine-5-carbonitrile 10 may be obtained according to any procedure known to those skilled in the art (see e.g., Khan, M. A. et al. (1977), J. Heterocyclic Chem., 14: 807-812; Boschelli, D. H. et al. (2004), J Med. Chem., 47: 6666-6668).
- Scheme 3 depicts the preparation of additional compounds of the invention of formula I where R 2 (or R 3 ) is an alkenyl, alkynyl, heteroaryl or aryl group beginning with compounds having the formula Ia described above. It should be understood that in Schemes 3-17 and the descriptions thereof, R 2 is in some cases used interchangeably with R 3 , to illustrate that various substituents can be added at either C2 or C3 of the thieno [2,3 -b]pyridine-5 -carbonitrile by using the same synthetic routes.
- Treatment of compounds of formula Ia, where LG is either I or Br, with an alkene or alkyne of formula R 2 -H in the presence of a palladium catalyst provides compounds of formula I where R 2 (or R 3 ) is either an alkenyl or alkynyl group.
- R 2 or R 3
- This alkenyl or alkynyl group can be substituted, for example, by aryl and heteroaryl groups and also by alkyl and alkyl amino groups among others.
- the aryl or heteroaryl group itself can also be substituted, for example, by alkoxy, alkylamino groups and others.
- the preferred palladium catalyst is palladium acetate in the presence of a ligand, preferably tri-o-tolylphosphine, in a solvent system that includes triethylamine or preferably a mixture of triethylamine and DMF.
- the preferred palladium catalyst is tetrakis(triphenylphosphine)palladium (0) along with a catalytic amount of copper(I)iodide in a solvent mixture that includes triethylamine and dioxane. If the alkynyl group is substituted by an alkyl amine, then the preferred palladium catalyst is dichlorobis(triphenylphosphine)palladium (II) and the reaction is performed in the presence of potassium carbonate along with catalytic amounts of both copper(I)iodide and triphenylphosphine in a solvent mixture that includes triethylamine and dioxane.
- Treatment of compounds of formula Ia, where LG is either I or Br, with an aryl, heteroaryl or alkenyl organoboron compound of formula R 2 -BL 1 L 2 in the presence of a palladium catalyst provides compounds of formula I where R 2 (or R 3 ) is either an aryl, heteroaryl or alkenyl group.
- R 2 (or R 3 ) is either an aryl, heteroaryl or alkenyl group.
- the L 1 L 2 group represents ligands and includes such groups as lower alkoxy or preferably hydroxyl groups.
- the aryl, heteroaryl or alkenyl group of compound R 2 - BL 1 L 2 can be substituted by groups including aryl, heteroaryl, formyl, carboxylate, carboxamide, alkyl, hydroxyalkyl and alkylamino groups among others.
- the aryl or heteroaryl group of compound R ⁇ BL 1 L 2 can also be fused to a second aryl or heteroaryl group.
- the preferred palladium catalyst is tetrakis(triphenylphosphine)palladium (0) in a solvent mixture that includes saturated aqueous sodium bicarbonate and DME.
- R (or R ) is either an aryl group or a heteroaryl group
- compounds of formula I, where R (or R ) is either an aryl group or a heteroaryl group can also be prepared by reacting a compound of formula Ia, where LG is either I or Br, with an aryl or heteroaryl stannane compound of formula R - SnR 3 in the presence of a palladium catalyst.
- the R group is a lower alkyl group such as a butyl group or a methyl group.
- the aryl or heteroaryl group of compound R 2 - SnR 3 can be substituted, for example, by aryl, heteroaryl, formyl, acetal, carboxylate, carboxamide, alkyl and alkylamino groups among others.
- the aryl or heteroaryl group of compound R 2 -SnR 3 can also be fused to a second aryl or heteroaryl group.
- the preferred palladium catalyst is dichlorobis(triphenylphosphine)palladium (II) in a solvent such as dioxane.
- R' an aryl or heteroaryl group
- the 2- (trimethylsilyl)ethynyl group can be cleaved by treatment with potassium carbonate 10 in MeOH to provide compounds of formula I, where R is an ethynyl group.
- R' alkyl, alkenyl, alkynyl, aryl or heteroaryl
- Aldehydes of formula Ic can be converted to compounds of formula I where R 2 (or R 3 ) is R-CH 2 NR 9 R 10 via reductive animation.
- the group R' can be an alkyl, alkenyl, alkynyl, aryl, or heteraryl group.
- treatment of compounds of formula Ic with an amine of formula HNR 9 R 10 in the presence of a reducing agent, preferably sodium triacetoxyborohydride, in a solvent system that can include dichloromethane and either DMF or N-methyl-2-pyrrolidone (NMP) provides compounds of formula I where R 2 (or R 3 ) is R'-CH 2 NR 9 R 10 .
- Alcohols of formula Id can be obtained as a by-product of this reaction via reduction of the formyl group of compounds of formula Ic.
- Compounds of formula Ic can be prepared by hydrolysis of the acetal group of compounds of formula Ie, preferably with aqueous hydrochloric acid in the presence of a co-solvent such as THF.
- Scheme 5 also depicts the preparation of compounds of formula I, where R 2 (or R 3 ) is R' substituted by Y-C(O)NR 9 R 10 , from esters of formula If, where R 8 is a lower alkyl group.
- Esters of formula If are converted to the corresponding acids of formula Ig by treatment with aqueous sodium hydroxide in a co-solvent such as ethanol at elevated temperatures.
- Z Br
- Compounds of the invention of formula I where the pyridine of the thieno[2,3-b]pyridine ring is oxidized can be prepared as shown in Scheme 7 below, where X, R 1 , R 2 and R 4 are as defined hereinabove.
- a halide-substituted thienopyridine e.g., intermediates 12, 14, or 16
- an oxidizing agent such as m-chloroperbenzoic acid (mCPBA)
- mCPBA m-chloroperbenzoic acid
- a solvent such as chloroform
- Addition of a compound of formula R 1 XH, under the conditions previously noted provides an N- oxide of compounds of formula Ia.
- Displacement of the Br or Cl at C-2 or C-3 under the general reaction conditions referred to previously, yields compounds of of formula I where the nitrogen of the thienopyridine ring is oxidized and R 4 is H.
- Scheme 9 below depicts an alternate route for the preparation of 4- chlorothieno[2,3-b]pyridine-5-carbonitriles 10 and 4-chloro-2-iodothieno[2,3- b]pyridine-5-carbonitriles 12, where R 3 can be H or other substituents as defined hereinabove.
- the starting 2-aminothiophene-3-carboxylic ester is treated with a dialkylacetal of DMF, preferably dimethylformamide dimethylacetal.
- the resultant amidine is reacted with t-butyl cyanoacetate to provide a (Z)-2-(l-amino-3-tert- butoxy-2-cyano-3-oxoprop-l-enyl)thiophene-3-carboxylic ester intermediate, which is heated, preferably to 250 0 C, in a solvent such as diphenyl ether to provide a A- hydroxythieno[2,3-b]pyridine-5-carbonitrile.
- Scheme 10 shows the preparation of compounds of formula I where R 2 is C(O)OR 8 or C(O)NR 9 R 10 , and X, R 1 , R 3 , R 4 , R 8 , R 9 and R 10 are as defined hereinabove.
- Scheme 13 depicts the preparation of additional compounds of formula I from a C-2 phenol analog of formula I, where X, R 1 , R 3 and R 4 are as defined hereinabove.
- Treatment of the phenol with an alkyl halide or alkyl tosylate of the formula R LG in the presence of a base also provides compounds of formula I where the R 2 group is a phenyl ring substituted by an -OR group, where R 8 is as defined hereinabove.
- Scheme 14 depicts the preparation of compounds of formula I where R 2 is substituted by an aminoalkyl group of the formula -Y-NR 9 R 10 , where Y is a divalent C 1-10 alkyl group and X, R 1 , R 2 , R 3 , R 4 , R 9 and R 10 are as defined hereinabove.
- Scheme 15 depicts the preparation of compounds of formula I where R 3 is CH 2 OH or a CH 2 NR 9 R 10 group, and X, R 1 , R 2 , R 4 , R 9 and R 10 are as defined hereinabove.
- Scheme 16 depicts an alternate route to that shown in Scheme 7 for the preparation of compounds of formula I where the pyridine ring of the core is oxidized, and X, R 1 , R 2 , R 3 and R 4 are as defined hereinbelow.
- Scheme 17 depicts the synthesis of compounds of formula I from a 4-fluoro intermediate, where X, R 1 , R 2 , R 3 and R 4 are as defined hereinabove.
- 4-(lH-indol-5-ylamino)-2-[(4-morpholin-4-ylmethyl)phenyl]thieno[2,3- b]pyridine-5-carbonitrile 101 was alternatively prepared as follows. A mixture of 4- chloro-2-iodothieno[2,3-b]pyridine-5-carbonitrile 12 (5.10 g, 15.91 mmol) and 5- aminoindole (2.21 g, 16.71 mmol) in ethanol was heated at reflux for 21 hours. An additional 310 mg of 5-aminoindole was added and the mixture was heated at reflux for 27 hours.
- Example 11 Preparation of 4-(lH-indol-5-yl)-2-phenylthieno[2,3-t)]pyridine-5- carbonitrile 131
- the aqueous layer was extracted with ethyl acetate, and the organic layers were combined, dried over magnesium sulfate, filtered and concentrated in vacuo.
- the residue was purified by flash column chromatography eluting with a gradient of 0 to 15% methanol in dichloromethane to 1% concentrated aqueous ammonium hydroxide in 15% methanol in dichloromethane.
- the mobile phase was 20 minutes, and the gradient solvents were 0.02% TFA/H 2 O (solvent A) and 0.02% TFA/CH 3 CN (solvent B).
- solvent A 0.02% TFA/H 2 O
- solvent B 0.02% TFA/CH 3 CN
- Compounds were dissolved in either methanol or dimethylsulfoxide.
- the flow rate was 12.5 mL/min, and detection was carried out at 254 nm and 215 nm.
- the solid was dried in vacuo and purified by flash column chromatography eluting with a gradient of ethyl acetate to 20% methanol in ethyl acetate to 1% concentrated aqueous ammonium hydroxide in 20% methanol in ethyl acetate.
- the aqueous layer was extracted with dichloromethane, and the organic layers were combined, dried over magnesium sulfate, filtered and concentrated in vacuo.
- the residue was purified by flash column chromatography eluting with a gradient of 0 to 20% methanol in dichloromethane to 1% concentrated aqueous ammonium hydroxide in 20% methanol in dichloromethane.
- Trituration with hot diethyl ether provided 55 mg of 4-(l H-indol-5 -ylamino)-2- ⁇ 5- [(4-methylpiperazin- 1 -yl)methyl]pyridine-2- yl ⁇ thieno[2,3-b]pyridine-5-carbonitrile 203 as a yellow solid, mp >245°C, MS 480.1 (M+H) + .
- the reaction mixture was cooled to room temperature and partitioned between dichloromethane and water.
- the aqueous layer was extracted with dichloromethane, and the organic layers were combined, dried over sodium sulfate, filtered and concentrated in vacuo.
- the residue was purified by flash column chromatography eluting with a gradient of 0 to 20% methanol in ethyl acetate to 1% concentrated aqueous ammonium hydroxide in 20% methanol in ethyl acetate.
- reaction mixture was cooled to room temperature and partitioned between dichloromethane and water.
- organic phase was dried over sodium sulfate, filtered and concentrated in vacuo.
- the residue was purified by flash column chromatography eluting with a gradient of 0 to 20% ethyl acetate in dichloromethane to provide 4 ⁇ (lH-indol-5-ylarnino)-2-(pyridine-4- ylethynyl)thieno[2,3-b]pyridine-5-carbonitrile 226 as a yellow solid, mp >250°C, MS 392.2 (M+H) + .
- Bromine (0.878 mL, 17.06 mmol) was added dropwise to a suspension of 4- chlorothieno[2,3-b]pyridine-5-carbonitrile 10 (1.66 g, 8.53 mmol) in 23 mL of acetic acid. The resulting mixture was heated at 8O 0 C for 24 hours. Additional bromine (0.878 mL) was added and heating at 8O 0 C was continued. After 24 hours, additional bromine (0.878 mL) was added and heating at 8O 0 C was resumed for another 24 hours. The mixture was cooled to room temperature and concentrated in vacuo. The residue was cooled to 0-5 0 C and neutralized with saturated aqueous sodium bicarbonate and extracted with dichloromethane.
- reaction mixture was cooled to room temperature and partitioned between dichloromethane and brine.
- the organic layer was washed with brine, dried over sodium sulfate, filtered and concentrated in vacuo.
- the residue was purified by flash column chromatography eluting with a gradient of 0 to 20% methanol in ethyl acetate to 1% aqueous ammonium hydroxide in 20% methanol in ethyl acetate.
- Diphenyl ether 250 mL was heated to a gentle reflux using a heating mantle. Nitrogen was bubbled into the diphenyl ether as it was heating to reflux and then gently blown over the top of the solvent during the course of the reaction.
- Methyl 2- ⁇ [(lE)-3-tert-butoxy-2-cyano-3-oxoprop-l-en-l -yl] amino ⁇ thiophene-3 - carboxylate 14 g, 45 mmol was added in portions over a few minutes. The reaction was heated to a gentle reflux for 3 hours then cooled to room temperature. Hexane (500 mL) was added and the resultant precipitate was filtered and washed extensively with hexane.
- Example 26 Preparation of additional 4-chloro-2-iodothieno[2,3-b]pyridine-5- carbonitriles Preparation of 4-chloro-2-iodo-3-methylthieno[23-blpyridine-5-carbonitrile following the procedure described in Example 25
- Ethyl 2- ⁇ [( 1 E)-3 -tert-butoxy-2-cyano-3 -oxoprop- 1 -en- 1 -yl] amino ⁇ -4- isopropylthiophene-3-carboxylate was prepared from ethyl 2-amino-4- isopropylthiophene-3-carboxylate, mp 93-94°C; MS (ESI) m/z 363.3.
- Methyl 4-chloro-5-cyanothieno[2,3-b]pyridine-2-carboxylate 1.3 g, 5.1 mmol
- 4-methyl-5-aminoindole 0.98 g, 6.7 mmol
- An additional 0.35 g of 4-methyl-5-amino indole was added and the heating was continued for 3 hours.
- Methyl 5-cyano-4-[(4-methyl-lH-indol-5-yl)amino]thieno[2,3-b]pyridine-2- carboxylate 245 (0.6 g, 1.7 mmol) was stirred as a suspension in 15 mL MeOH and 5 mL THF. The reaction was treated with 3.3 mL of 1 M NaOH and stirred overnight. The clear solution was treated with 5 mL of 1 M HCl and 5 mL water.
- Example 31 Preparation of 2-[(lE)-buta-l,3-dien-l-yl]-4-(lH-indol-5- yIamino)thieno[2,3-b]pyridine-5-carbonitrile 270 and 2-butyl-4-(lH-indol-5- ylamino)thieno[2,3-b]pyridine-5-carbonitrile 271
- the reaction mixture was partitioned between EtOAc and water.
- the crude product was extracted twice into EtOAc and purified by silica gel chromatography (dichloromethane/MeOH/NH 3 ).
- the HCl salt was generated by treatment of the purified amine with excess HCl/dioxane.
- Example 36 Preparation of 3- [5-cyano-4-(lH-indol-5-ylamino)thieno [2,3- b]pyridin-2-yI]propanoate 284 and 3-[5-cyano-4-(lH-indol-5- ylamino)thieno[2,3-b]pyridin-2-yl] propanoic acid 285
- Ethyl (2E)-3-[5-cyano-4-(lH-indol-5-ylamino)thieno[2,3-b]pyridin-2- yl]acrylate 280 (175 mg) was dissolved in 50 mL EtOAc and treated with 50 mg of Pd/C (10%, wet). The reaction was stirred rapidly under 1 atmosphere of hydrogen for 3 days. The reaction was filtered and concentrated.
- Example 37 Preparation of tert-butyl (2E)-3- ⁇ 5-cyano-4-[(4-methyMH-indol- 5-yl)amino]thieno[2,3-b]pyridin-2-yl ⁇ acrylate 286 and alternative preparation of (2E)-3- ⁇ 5-cyano-4-[(4-methyl-lH-indol-5-yl)amino]thieno[2,3-b]pyridin-2- yl ⁇ acrylic acid 283
- Example 39 Preparation of 4-[(4-methyl ⁇ lH-indol-5-yl)amino]-2-(3-oxo-3- pyrrolidm-l-ylpropyl)thieno[2,3-b]pyridine-5-carbonitriIe 315
- Example 6 Following the procedure for the preparation of compound 116 (Example 6), the appropriate 4-chlorothieno[2,3-b]pyridine-5-carbonitrile was reacted with the appropriate indole to provide the following analogs listed in Table 22. The solvent used is noted, along with in some cases the use of triethylamine.
- the appropriate 2-iodo- or 2-bromothieno[2,3-b]pyridine-5-carbonitrile was reacted with the appropriate boronic acid or boronic ester to provide the following analogs listed in Table 24.
- the boronic acid or boronic ester was generated in situ from the corresponding bromo or iodo analog with n-butyl lithium and an alkyl borate, such as triisopropyl borate.
- saturated aqueous sodium carbonate was used instead of saturated aqueous sodium bicarbonate and in some cases the reaction was performed in a microwave.
- Procedure A The aryl iodide was stirred in DMF (0.1M) and treated with tetrakis(triphenylphosphine) palladium(O) (5%), the boronic acid (1.3 eq), and cesium carbonate (3 eq). The reaction was heated to 7O 0 C overnight. The reaction was diluted with water and the product was extracted into EtOAc and purified by silica gel chromatography. Alternatively, the crude reaction mixture could be filtered and the product purified by preparative HPLC.
- Procedure B The aryl iodide was stirred in DMF (0.1 M) and treated with palladium acetate (0.07 eq), triphenylphosphine trisulfonate (0.15 eq), the boronic acid (1.5 eq), and cesium carbonate (2 eq). The reaction was heated to 8O 0 C overnight then filtered. The crude reaction mixture was purified by preparative HPLC.
- Procedure C The aryl iodide was stirred in DME (0.1 M) and treated with tetrakis(triphenylphosphine) palladium(O) (5-10 mol%), the boronic acid or trialkyl stannane (1.5 eq), and aqueous sodium bicarbonate (saturated, -10% of DME volume). The reaction was heated to 8O 0 C overnight. Generally, the crude reaction mixture was evaporated onto silica gel and purified by silica gel chromatography. Alternatively, the reaction could be diluted with water and the product extracted into dichloromethane/MeOH and subsequently purified by HPLC.
- Procedure A The phenol (0.19 mmol) was stirred as a suspension in 4 mL t-butanol and treated with the appropriate enantiomer of propylene oxide (0.95 mmol) and triethylamine (0.019 mmol). The reaction was heated to 8O 0 C for 24 hour then cooled to room temperature. The reaction was evaporated onto silica gel and the product was purified by silica gel chromatography.
- Procedure B The phenol (0.38 mmol), potassium carbonate (0.95 mmol), and the appropriate enantiomer of (2,2-dimethyl-l,3-dioxolan-4-yl)methyl 4- methylbenzenesulfonate (0.53 mmol) were stirred in 4 mL DMF at 8O 0 C overnight. The reaction was diluted with water and the crude product was extracted into EtOAc. The organic extract was washed with water twice and concentrated. The residue was dissolved in 4 mL MeOH and 1 mL water and treated with 20 mg of TsOH. The reaction was heated to 7O 0 C overnight then quenched with triethylamine and concentrated to dryness. The product was purified by preparative HPLC.
- Trituration with diethyl ether provided a solid that was purified by flash column chromatography, eluting with a gradient of 4:1 hexane:ethyl acetate to 100% ethyl acetate, to give 116 mg of 4-chlorothieno[2,3-b]pyridine-5-carbonitrile 7-oxide as a white solid, mp 200-203 0 C; MS 211.0 (M+H)+.
- 4-(lH-indol-5-ylamino)-2-phenylthieno[2,3-b]pyridine-5-carbonitrile 7- oxide 500 was prepared following the procedure for the preparation of compound 499, 2-Phenyl-4-chlorothieno[2,3-b]pyridine-5-carbonitrile was reacted with m- CPBA to provide 2-phenyl-4-chlorothieno[2,3-b]pyridine-5-carbonitrile-7-oxide.
- Example 53 Alternate synthesis of 2-iodo-4-[(4-methyl-lH-indoI-5- yl)amino] thieno [2,3-b] pyridine-5-carbonitrile 123 4-Chloro-2-iodothieno[2,3-b]pyridine-5-carbonitrile 12 (500 mg, 1.6 mmol) was treated with DMF (5 mL) and CsF (470 mg, 3.1 mmol). After heating for 2 hours at 50° C, the reaction was diluted with EtOAc was washed with water three times.
- This assay detects the phosphorylation of a biotinylated substrate by kinase utilizing radiolabeled ATP (ATP ⁇ P33).
- the enzyme is either recombinant full length PKC ⁇ (Panvera, P2996) or the purified recombinant active kinase domain of full length PKC ⁇ (amino acids 362-706).
- the substrate in this assay is a biotinylated peptide with a sequence of biotin-FARKGSLRQ-CONH2.
- the assay buffer is composed of 10OmM Hepes, pH7.5, 2mM MgCl 2 , 2OmM ⁇ -glycerophosphate and 0.008% TritonX 100.
- a reaction mixture of ATP, ATP ⁇ P33 (PerkinElmer), DTT, lipid activator, and the enzyme is prepared in the assay buffer and added to a 96 well polypropylene plate.
- the compound (diluted in DMSO in a separate 96-well polypropylene plate) is added to the reaction mixture and incubated at room temperature. Following the incubation, the peptide substrate is added to the reaction mixture to initiate the enzymatic reaction.
- the reaction is terminated with the addition of a stop solution (10OmM EDTA, 0.2% TritonXlOO, and 10OmM NaHPO 4 ) and transferred from the assay plate to a washed streptavidin- coated 96 well scintiplate (PerkinElmer).
- the scintiplate is incubated at room temperature, washed in PBS with 0.1% TritonX 100, and counted in the 1450 Microbeta Trilux (Wallac, Version 2.60). Counts are recorded for each well as corrected counts per minute (CCPM). The counts are considered corrected because they are adjusted according to a P33 normalization protocol, which corrects for efficiency and background differences between the instrument detectors (software version 4.40.01).
- the materials used include the following: human PKC ⁇ full length enzyme (Panvera Catalog No. P2996); substrate peptide: 5F AM-RF ARKGSLRQKNV-OH (Molecular Devices, RP7032); ATP (Sigma Cat # A2383); DTT (Pierce, 20291); 5x kinase reaction buffer (Molecular Devices, R7209); 5x binding buffer A (Molecular Devices, R7282), 5x binding buffer B (Molecular Devices, R7209); IMAP Beads (Molecular Devices, R7284); and 384-well plates (Corning Costar, 3710).
- the reaction buffer was prepared by diluting the 5x stock reaction buffer and adding DTT to obtain a concentration of 3.0 niM.
- the binding buffer was prepared by diluting the 5x binding buffer A.
- a master mix solution was prepared using a 90% dilution of the reaction buffer containing 2x ATP (12 uM) and 2x peptide (200 run). Compounds were diluted in DMSO to 2Ox of the maximum concentration for the IC50 measurement. 27 ul of the master mix solution for each IC50 curve was added to the first column in a 384-well plate and 3 ul of 2Ox compound in DMSO was added to each well. The final concentration of compound was 2x and 10% DMSO. DMSO was added to the rest of the master mix to increase the concentration to 10%.
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AU2006294726A AU2006294726A1 (en) | 2005-09-27 | 2006-09-27 | Thieno(2,3-B)pyridine-5-carbonitriles as protein kinase inhibitors |
BRPI0616758-6A BRPI0616758A2 (en) | 2005-09-27 | 2006-09-27 | compound of formula I or a pharmaceutically acceptable salt, hydrate or ester thereof; n-oxide compound of formula I '; s-oxide or s, s-dioxide compound of formula I ''; pharmaceutical composition; and method of treating or inhibiting a pathological condition or disorder mediated by a protein kinase in a mammal |
EP06804164A EP1937690A1 (en) | 2005-09-27 | 2006-09-27 | Thieno[2,3-b]pyridine-5-carbonitriles as protein kinase inhibitors |
CA002623228A CA2623228A1 (en) | 2005-09-27 | 2006-09-27 | Thieno[2,3-b]pyridine-5-carbonitriles as protein kinase inhibitors |
JP2008533522A JP2009511439A (en) | 2005-09-27 | 2006-09-27 | Thieno [2,3-b] pyridine-5-carbonitrile as a protein kinase inhibitor |
NO20081133A NO20081133L (en) | 2005-09-27 | 2008-03-04 | Tieno [2,3-B] pyridine-5-carbonitriles as protein kinase inhibitors |
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AU (1) | AU2006294726A1 (en) |
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Cited By (12)
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WO2008039414A1 (en) * | 2006-09-26 | 2008-04-03 | Wyeth | Process for the preparation of 4-hydroxythieno[2,3-b]pyridine-5-carbonitriles |
WO2009059272A1 (en) * | 2007-11-02 | 2009-05-07 | Wyeth | Thienopyrimidines, thienopyridines, and pyrrolopyrimidines as b-raf inhibitors |
WO2012030894A1 (en) * | 2010-09-01 | 2012-03-08 | Ambit Biosciences Corporation | Thienopyridine and thienopyrimidine compounds and methods of use thereof |
WO2013158649A1 (en) * | 2012-04-16 | 2013-10-24 | Case Western Reserve University | Compositions and methods of modulating 15-pgdh activity |
CN103459371A (en) * | 2011-04-02 | 2013-12-18 | 中国人民解放军军事医学科学院毒物药物研究所 | Aryl acrylamide compound and use thereof in preparing immunosuppressant |
US9056832B2 (en) | 2010-09-17 | 2015-06-16 | Purdue Pharma L.P. | Pyridine compounds and the users thereof |
WO2017153601A1 (en) * | 2016-03-11 | 2017-09-14 | Ac Immune Sa | Bicyclic compounds for diagnosis and therapy |
US9789116B2 (en) | 2013-10-15 | 2017-10-17 | Case Western Reserve University | Compositions and methods of modulating short-chain dehydrogenase activity |
US9801863B2 (en) | 2012-04-16 | 2017-10-31 | Case Western Reserve University | Inhibitors of short-chain dehydrogenase activity for modulating hematopoietic stem cells and hematopoiesis |
US11168093B2 (en) | 2018-12-21 | 2021-11-09 | Celgene Corporation | Thienopyridine inhibitors of RIPK2 |
US11690847B2 (en) | 2016-11-30 | 2023-07-04 | Case Western Reserve University | Combinations of 15-PGDH inhibitors with corticosteroids and/or TNF inhibitors and uses thereof |
US11718589B2 (en) | 2017-02-06 | 2023-08-08 | Case Western Reserve University | Compositions and methods of modulating short-chain dehydrogenase |
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US7276519B2 (en) * | 2002-11-25 | 2007-10-02 | Wyeth | Thieno[3,2-b]pyridine-6-carbonitriles and thieno[2,3-b]pyridine-5-carbonitriles as protein kinase inhibitors |
ES2555393T3 (en) * | 2009-12-18 | 2015-12-30 | Glaxosmithkline Intellectual Property Limited | New compounds |
CN114957280B (en) * | 2021-12-31 | 2024-09-17 | 成都赜灵生物医药科技有限公司 | Thiophene [2,3-d ] pyrimidine derivative and application thereof |
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- 2006-09-25 PE PE2006001155A patent/PE20070619A1/en not_active Application Discontinuation
- 2006-09-26 TW TW095135537A patent/TW200745137A/en unknown
- 2006-09-27 EP EP06804164A patent/EP1937690A1/en not_active Withdrawn
- 2006-09-27 US US11/527,996 patent/US20070082880A1/en not_active Abandoned
- 2006-09-27 WO PCT/US2006/037502 patent/WO2007038519A1/en active Application Filing
- 2006-09-27 AU AU2006294726A patent/AU2006294726A1/en not_active Abandoned
- 2006-09-27 BR BRPI0616758-6A patent/BRPI0616758A2/en not_active IP Right Cessation
- 2006-09-27 JP JP2008533522A patent/JP2009511439A/en not_active Withdrawn
- 2006-09-27 GT GT200600434A patent/GT200600434A/en unknown
- 2006-09-27 CA CA002623228A patent/CA2623228A1/en not_active Abandoned
- 2006-09-27 KR KR1020087008455A patent/KR20080059184A/en not_active Application Discontinuation
- 2006-09-27 RU RU2008108619/04A patent/RU2008108619A/en not_active Application Discontinuation
- 2006-09-27 CN CNA2006800357351A patent/CN101273047A/en active Pending
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2008039414A1 (en) * | 2006-09-26 | 2008-04-03 | Wyeth | Process for the preparation of 4-hydroxythieno[2,3-b]pyridine-5-carbonitriles |
WO2009059272A1 (en) * | 2007-11-02 | 2009-05-07 | Wyeth | Thienopyrimidines, thienopyridines, and pyrrolopyrimidines as b-raf inhibitors |
WO2012030894A1 (en) * | 2010-09-01 | 2012-03-08 | Ambit Biosciences Corporation | Thienopyridine and thienopyrimidine compounds and methods of use thereof |
US9611222B2 (en) | 2010-09-17 | 2017-04-04 | Purdue Pharma L.P. | Pyridine compounds and the uses thereof |
US9056832B2 (en) | 2010-09-17 | 2015-06-16 | Purdue Pharma L.P. | Pyridine compounds and the users thereof |
CN103459371A (en) * | 2011-04-02 | 2013-12-18 | 中国人民解放军军事医学科学院毒物药物研究所 | Aryl acrylamide compound and use thereof in preparing immunosuppressant |
US10420752B2 (en) | 2012-04-16 | 2019-09-24 | Case Western Reserve University | Inhibitors of short-chain dehydrogenase activity for modulating hematopoietic stem cells and hematopoiesis |
US9790233B2 (en) | 2012-04-16 | 2017-10-17 | Case Western Reserve University | Compositions and methods of modulating 15-PGDH activity |
US9801863B2 (en) | 2012-04-16 | 2017-10-31 | Case Western Reserve University | Inhibitors of short-chain dehydrogenase activity for modulating hematopoietic stem cells and hematopoiesis |
US10301320B2 (en) | 2012-04-16 | 2019-05-28 | University Of Kentucky Research Foundation | Compositions and methods of modulating 15-PGDH activity |
WO2013158649A1 (en) * | 2012-04-16 | 2013-10-24 | Case Western Reserve University | Compositions and methods of modulating 15-pgdh activity |
US9789116B2 (en) | 2013-10-15 | 2017-10-17 | Case Western Reserve University | Compositions and methods of modulating short-chain dehydrogenase activity |
WO2017153601A1 (en) * | 2016-03-11 | 2017-09-14 | Ac Immune Sa | Bicyclic compounds for diagnosis and therapy |
AU2017231781B2 (en) * | 2016-03-11 | 2021-07-15 | Ac Immune Sa | Bicyclic compounds for diagnosis and therapy |
AU2017231781C1 (en) * | 2016-03-11 | 2021-12-16 | Ac Immune Sa | Bicyclic compounds for diagnosis and therapy |
US11690847B2 (en) | 2016-11-30 | 2023-07-04 | Case Western Reserve University | Combinations of 15-PGDH inhibitors with corticosteroids and/or TNF inhibitors and uses thereof |
US11718589B2 (en) | 2017-02-06 | 2023-08-08 | Case Western Reserve University | Compositions and methods of modulating short-chain dehydrogenase |
US11168093B2 (en) | 2018-12-21 | 2021-11-09 | Celgene Corporation | Thienopyridine inhibitors of RIPK2 |
Also Published As
Publication number | Publication date |
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TW200745137A (en) | 2007-12-16 |
PE20070619A1 (en) | 2007-07-02 |
NO20081133L (en) | 2008-04-25 |
ZA200802690B (en) | 2009-08-26 |
AR056200A1 (en) | 2007-09-26 |
BRPI0616758A2 (en) | 2011-06-28 |
GT200600434A (en) | 2007-05-28 |
AU2006294726A1 (en) | 2007-04-05 |
JP2009511439A (en) | 2009-03-19 |
EP1937690A1 (en) | 2008-07-02 |
US20070082880A1 (en) | 2007-04-12 |
CA2623228A1 (en) | 2007-04-05 |
CN101273047A (en) | 2008-09-24 |
KR20080059184A (en) | 2008-06-26 |
RU2008108619A (en) | 2009-11-10 |
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