WO2000037022A2 - Combination therapy for the treatment of sepsis - Google Patents
Combination therapy for the treatment of sepsis Download PDFInfo
- Publication number
- WO2000037022A2 WO2000037022A2 PCT/US1999/030433 US9930433W WO0037022A2 WO 2000037022 A2 WO2000037022 A2 WO 2000037022A2 US 9930433 W US9930433 W US 9930433W WO 0037022 A2 WO0037022 A2 WO 0037022A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- methyl
- alkyl
- oxyacetic acid
- acid
- phenyl
- Prior art date
Links
- 238000011282 treatment Methods 0.000 title claims abstract description 132
- 206010040047 Sepsis Diseases 0.000 title claims abstract description 59
- 238000002648 combination therapy Methods 0.000 title abstract description 7
- 239000003112 inhibitor Substances 0.000 claims abstract description 155
- 238000000034 method Methods 0.000 claims abstract description 155
- 101800004937 Protein C Proteins 0.000 claims abstract description 81
- 101800001700 Saposin-D Proteins 0.000 claims abstract description 80
- 229960000856 protein c Drugs 0.000 claims abstract description 80
- 241000124008 Mammalia Species 0.000 claims abstract description 23
- 102000005473 Secretory Phospholipases A2 Human genes 0.000 claims abstract description 15
- 108010031873 Secretory Phospholipases A2 Proteins 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims abstract description 4
- 102100036546 Salivary acidic proline-rich phosphoprotein 1/2 Human genes 0.000 claims abstract 23
- -1 aliphatic ester Chemical class 0.000 claims description 267
- 125000000217 alkyl group Chemical group 0.000 claims description 184
- 239000002253 acid Substances 0.000 claims description 158
- 150000001875 compounds Chemical class 0.000 claims description 153
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 148
- 229910052739 hydrogen Inorganic materials 0.000 claims description 118
- 239000001257 hydrogen Substances 0.000 claims description 117
- 125000005843 halogen group Chemical group 0.000 claims description 101
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 90
- 125000001424 substituent group Chemical group 0.000 claims description 88
- 239000000203 mixture Substances 0.000 claims description 75
- 230000002452 interceptive effect Effects 0.000 claims description 73
- 239000000651 prodrug Substances 0.000 claims description 64
- 229940002612 prodrug Drugs 0.000 claims description 64
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 60
- 150000003839 salts Chemical class 0.000 claims description 59
- 150000002148 esters Chemical class 0.000 claims description 55
- 229910052757 nitrogen Inorganic materials 0.000 claims description 50
- 125000005647 linker group Chemical group 0.000 claims description 47
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Natural products C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims description 42
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 42
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 40
- 230000002378 acidificating effect Effects 0.000 claims description 38
- 229910052760 oxygen Inorganic materials 0.000 claims description 38
- 239000001301 oxygen Substances 0.000 claims description 38
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 35
- 125000003545 alkoxy group Chemical group 0.000 claims description 32
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 31
- 239000012453 solvate Chemical class 0.000 claims description 31
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 30
- 229910052717 sulfur Inorganic materials 0.000 claims description 30
- 239000011593 sulfur Substances 0.000 claims description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 27
- 239000008194 pharmaceutical composition Substances 0.000 claims description 26
- 125000004429 atom Chemical group 0.000 claims description 25
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 22
- 125000004414 alkyl thio group Chemical group 0.000 claims description 20
- 125000004076 pyridyl group Chemical group 0.000 claims description 20
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 18
- 125000003118 aryl group Chemical group 0.000 claims description 18
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 18
- 150000003254 radicals Chemical group 0.000 claims description 18
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 16
- 229910006069 SO3H Inorganic materials 0.000 claims description 14
- 125000003342 alkenyl group Chemical group 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 14
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 13
- 125000001624 naphthyl group Chemical group 0.000 claims description 12
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 claims description 11
- 125000005842 heteroatom Chemical group 0.000 claims description 11
- 159000000000 sodium salts Chemical class 0.000 claims description 11
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 10
- 125000002541 furyl group Chemical group 0.000 claims description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims description 10
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 10
- 125000001544 thienyl group Chemical group 0.000 claims description 10
- 125000006269 biphenyl-2-yl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C1=C(*)C([H])=C([H])C([H])=C1[H] 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000001188 haloalkyl group Chemical group 0.000 claims description 9
- 125000000304 alkynyl group Chemical group 0.000 claims description 8
- 235000010290 biphenyl Nutrition 0.000 claims description 8
- 239000004305 biphenyl Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 125000003831 tetrazolyl group Chemical group 0.000 claims description 8
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 claims description 6
- LUMYPAZSFDGHFI-UHFFFAOYSA-N 2-[9-benzyl-5-carbamoyl-2-[tri(propan-2-yl)silyloxymethyl]carbazol-4-yl]oxyacetic acid Chemical compound C=1C(CO[Si](C(C)C)(C(C)C)C(C)C)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 LUMYPAZSFDGHFI-UHFFFAOYSA-N 0.000 claims description 6
- 125000004070 6 membered heterocyclic group Chemical group 0.000 claims description 6
- HTSWKDOXMSFQPB-UHFFFAOYSA-N 8-ethoxy-7-methoxy-9H-carbazole-4-carboxamide Chemical compound N1C2=CC=CC(C(N)=O)=C2C2=C1C(OCC)=C(OC)C=C2 HTSWKDOXMSFQPB-UHFFFAOYSA-N 0.000 claims description 6
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 6
- 125000004438 haloalkoxy group Chemical group 0.000 claims description 6
- 125000000717 hydrazino group Chemical group [H]N([*])N([H])[H] 0.000 claims description 6
- 150000003555 thioacetals Chemical class 0.000 claims description 6
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 6
- 125000003302 alkenyloxy group Chemical group 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 5
- 125000002256 xylenyl group Chemical group C1(C(C=CC=C1)C)(C)* 0.000 claims description 5
- UFJILQXRMNERCL-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoylcarbazol-4-yl)oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 UFJILQXRMNERCL-UHFFFAOYSA-N 0.000 claims description 4
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 4
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 4
- 239000003085 diluting agent Substances 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- 125000002795 guanidino group Chemical group C(N)(=N)N* 0.000 claims description 4
- 229910003002 lithium salt Inorganic materials 0.000 claims description 4
- 159000000002 lithium salts Chemical class 0.000 claims description 4
- 125000002813 thiocarbonyl group Chemical group *C(*)=S 0.000 claims description 4
- 125000006729 (C2-C5) alkenyl group Chemical group 0.000 claims description 3
- WVVBMMFAUGIIJM-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-1-chlorocarbazol-4-yl)oxyacetic acid Chemical compound C12=C(Cl)C=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 WVVBMMFAUGIIJM-UHFFFAOYSA-N 0.000 claims description 3
- LOEUKRWGLDWONT-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-1-fluorocarbazol-4-yl)oxyacetic acid Chemical compound C12=C(F)C=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 LOEUKRWGLDWONT-UHFFFAOYSA-N 0.000 claims description 3
- YIWKRIZOIPDUPO-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-1-methylcarbazol-4-yl)oxyacetic acid Chemical compound CC1=CC=C(OCC(O)=O)C(C2=C(C(N)=O)C=CC=C22)=C1N2CC1=CC=CC=C1 YIWKRIZOIPDUPO-UHFFFAOYSA-N 0.000 claims description 3
- XMNFDVRHTKIVQK-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-methoxycarbazol-4-yl)oxyacetic acid Chemical compound C=1C(OC)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 XMNFDVRHTKIVQK-UHFFFAOYSA-N 0.000 claims description 3
- PRAUIYBTAAOMCZ-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-methoxycarbazol-4-yl)oxypropanoic acid Chemical compound C=1C(OC)=CC(OC(C)C(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 PRAUIYBTAAOMCZ-UHFFFAOYSA-N 0.000 claims description 3
- PPBJJWDNJPGZPF-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-pentylcarbazol-4-yl)oxyacetic acid Chemical compound C=1C(CCCCC)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 PPBJJWDNJPGZPF-UHFFFAOYSA-N 0.000 claims description 3
- HCQNYAIKYZCDBC-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-propan-2-ylcarbazol-4-yl)oxyacetic acid Chemical compound C=1C(C(C)C)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 HCQNYAIKYZCDBC-UHFFFAOYSA-N 0.000 claims description 3
- MHXZVTNDXLWWNN-UHFFFAOYSA-N 2-[(9-benzyl-1-carbamoyl-3,4-dihydro-2h-pyrido[2,3-b]indol-8-yl)oxy]acetic acid Chemical compound NC(=O)N1CCCC(C2=CC=CC(OCC(O)=O)=C22)=C1N2CC1=CC=CC=C1 MHXZVTNDXLWWNN-UHFFFAOYSA-N 0.000 claims description 3
- XQHXEBCEJGFYFD-UHFFFAOYSA-N 2-[5-carbamoyl-9-(cyclohexylmethyl)carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1CCCCC1 XQHXEBCEJGFYFD-UHFFFAOYSA-N 0.000 claims description 3
- PATZGVUJUUNVJN-UHFFFAOYSA-N 2-[5-carbamoyl-9-(naphthalen-1-ylmethyl)carbazol-4-yl]oxyacetic acid Chemical compound C=1C=CC2=CC=CC=C2C=1CN1C2=CC=CC(OCC(O)=O)=C2C2=C1C=CC=C2C(=O)N PATZGVUJUUNVJN-UHFFFAOYSA-N 0.000 claims description 3
- VZOLOKPKXHOJRH-UHFFFAOYSA-N 2-[5-carbamoyl-9-(pyridin-2-ylmethyl)carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=N1 VZOLOKPKXHOJRH-UHFFFAOYSA-N 0.000 claims description 3
- BLCNILYGCATZEH-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2,3-difluorophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC(F)=C1F BLCNILYGCATZEH-UHFFFAOYSA-N 0.000 claims description 3
- MQZAJAXITWPMFM-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2-fluorophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1F MQZAJAXITWPMFM-UHFFFAOYSA-N 0.000 claims description 3
- LCPAHBQVBUXTEZ-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-cyanophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC(C#N)=C1 LCPAHBQVBUXTEZ-UHFFFAOYSA-N 0.000 claims description 3
- GSUXBSRHWJBQBV-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-fluorophenyl)methyl]-2-methylcarbazol-4-yl]oxyacetic acid Chemical compound C=1C(C)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC(F)=C1 GSUXBSRHWJBQBV-UHFFFAOYSA-N 0.000 claims description 3
- KWBVGNHCBQIRTN-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-fluorophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC(F)=C1 KWBVGNHCBQIRTN-UHFFFAOYSA-N 0.000 claims description 3
- FRZSYHNHELRNDK-UHFFFAOYSA-N 2-[9-[(2-benzylphenyl)methyl]-5-carbamoylcarbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1CC1=CC=CC=C1 FRZSYHNHELRNDK-UHFFFAOYSA-N 0.000 claims description 3
- JTWGFKHCAPESJY-UHFFFAOYSA-N 2-[9-benzyl-5-carbamoyl-2-(furan-2-yl)carbazol-4-yl]oxyacetic acid Chemical compound C12=CC(C=3OC=CC=3)=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 JTWGFKHCAPESJY-UHFFFAOYSA-N 0.000 claims description 3
- PYSFKPLKDUHZAJ-UHFFFAOYSA-N 2-[9-benzyl-5-carbamoyl-2-(propoxymethyl)carbazol-4-yl]oxyacetic acid Chemical compound C=1C(COCCC)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 PYSFKPLKDUHZAJ-UHFFFAOYSA-N 0.000 claims description 3
- FZCVOGNJZMDIQT-UHFFFAOYSA-N 2-[9-benzyl-5-carbamoyl-2-[4-(trifluoromethyl)phenyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC(C=3C=CC(=CC=3)C(F)(F)F)=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 FZCVOGNJZMDIQT-UHFFFAOYSA-N 0.000 claims description 3
- 125000004179 3-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(Cl)=C1[H] 0.000 claims description 3
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 3
- 125000005083 alkoxyalkoxy group Chemical group 0.000 claims description 3
- 125000000033 alkoxyamino group Chemical group 0.000 claims description 3
- 125000003806 alkyl carbonyl amino group Chemical group 0.000 claims description 3
- 125000004644 alkyl sulfinyl group Chemical group 0.000 claims description 3
- 125000004691 alkyl thio carbonyl group Chemical group 0.000 claims description 3
- 125000005133 alkynyloxy group Chemical group 0.000 claims description 3
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 claims description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 3
- 125000004441 haloalkylsulfonyl group Chemical group 0.000 claims description 3
- 125000004531 indol-5-yl group Chemical group [H]N1C([H])=C([H])C2=C([H])C(*)=C([H])C([H])=C12 0.000 claims description 3
- KYZMWHSKQSAKMW-UHFFFAOYSA-N methyl 10-benzyl-4-methoxy-6,7,8,9-tetrahydropyrido[1,2-a]indole-6-carboxylate Chemical compound C12=CC=CC(OC)=C2N2C(C(=O)OC)CCCC2=C1CC1=CC=CC=C1 KYZMWHSKQSAKMW-UHFFFAOYSA-N 0.000 claims description 3
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 2
- HWVCTTFKEFUZSR-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-phenylcarbazol-4-yl)oxyacetic acid Chemical compound C12=CC(C=3C=CC=CC=3)=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1 HWVCTTFKEFUZSR-UHFFFAOYSA-N 0.000 claims description 2
- URFXAPISJQEWEH-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2,6-dichlorophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=C(Cl)C=CC=C1Cl URFXAPISJQEWEH-UHFFFAOYSA-N 0.000 claims description 2
- VRMKRGKLFIJSNY-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2,6-difluorophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=C(F)C=CC=C1F VRMKRGKLFIJSNY-UHFFFAOYSA-N 0.000 claims description 2
- AKPJTFHUTNPVJJ-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2-cyanophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC=C1C#N AKPJTFHUTNPVJJ-UHFFFAOYSA-N 0.000 claims description 2
- UJSZZKJIGGAMHM-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(2-methylphenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound CC1=CC=CC=C1CN1C2=CC=CC(C(N)=O)=C2C2=C(OCC(O)=O)C=CC=C21 UJSZZKJIGGAMHM-UHFFFAOYSA-N 0.000 claims description 2
- IKVWXTBYJHSVHF-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-methylphenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound CC1=CC=CC(CN2C3=CC=CC(=C3C3=C(OCC(O)=O)C=CC=C32)C(N)=O)=C1 IKVWXTBYJHSVHF-UHFFFAOYSA-N 0.000 claims description 2
- JCJMBFNXBWSTLL-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-phenoxyphenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC(C=1)=CC=CC=1OC1=CC=CC=C1 JCJMBFNXBWSTLL-UHFFFAOYSA-N 0.000 claims description 2
- HQJZRNVPFWUPSA-UHFFFAOYSA-N 2-[5-carbamoyl-9-[2-(2-chlorophenyl)ethyl]carbazol-4-yl]oxyacetic acid Chemical compound ClC1=C(C=CC=C1)CCN1C2=CC=CC(=C2C=2C(=CC=CC1=2)OCC(=O)O)C(N)=O HQJZRNVPFWUPSA-UHFFFAOYSA-N 0.000 claims description 2
- HKMIHHJQMSJGKA-UHFFFAOYSA-N 9-benzyl-7-methoxy-5-(2h-tetrazol-5-ylmethoxy)carbazole-4-carboxamide Chemical compound C=1C=CC=CC=1CN1C2=CC=CC(C(N)=O)=C2C=2C1=CC(OC)=CC=2OCC1=NN=NN1 HKMIHHJQMSJGKA-UHFFFAOYSA-N 0.000 claims description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 2
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical group 0.000 claims 8
- GELSNBZFFJBDDC-UHFFFAOYSA-N 1-ethoxy-7-methoxy-2,3,4,9-tetrahydro-1H-carbazole-4-carboxamide Chemical compound C(C)OC1CCC(C=2C3=CC=C(C=C3NC1=2)OC)C(=O)N GELSNBZFFJBDDC-UHFFFAOYSA-N 0.000 claims 2
- AAYKHTVNNLLGLP-UHFFFAOYSA-N 2-(9-benzyl-5-carbamoyl-2-methylcarbazol-4-yl)oxyacetic acid Chemical compound C=1C(C)=CC(OCC(O)=O)=C(C2=C(C(N)=O)C=CC=C22)C=1N2CC1=CC=CC=C1 AAYKHTVNNLLGLP-UHFFFAOYSA-N 0.000 claims 2
- LUURCHSHYLGPEG-UHFFFAOYSA-N 2-[(9-benzyl-5-carbamoyl-1-fluoro-5,6,7,8-tetrahydrocarbazol-4-yl)oxy]acetic acid Chemical compound NC(=O)C1CCCC2=C1C1=C(OCC(O)=O)C=CC(F)=C1N2CC1=CC=CC=C1 LUURCHSHYLGPEG-UHFFFAOYSA-N 0.000 claims 2
- OXQCZJHYRFSEQM-UHFFFAOYSA-N 2-[5-carbamoyl-2-methyl-9-[(3-methylphenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound CC1=CC=CC(CN2C3=CC(C)=CC(OCC(O)=O)=C3C3=C(C(N)=O)C=CC=C32)=C1 OXQCZJHYRFSEQM-UHFFFAOYSA-N 0.000 claims 2
- YFTJSPAAYBFQNI-UHFFFAOYSA-N 2-[5-carbamoyl-9-(cyclopentylmethyl)carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1CCCC1 YFTJSPAAYBFQNI-UHFFFAOYSA-N 0.000 claims 2
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- SKVCADFJTHKAEY-UHFFFAOYSA-N 2-[5-carbamoyl-9-[(3-iodophenyl)methyl]carbazol-4-yl]oxyacetic acid Chemical compound C12=CC=CC(OCC(O)=O)=C2C=2C(C(=O)N)=CC=CC=2N1CC1=CC=CC(I)=C1 SKVCADFJTHKAEY-UHFFFAOYSA-N 0.000 claims 2
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- 229960003212 sodium propionate Drugs 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate group Chemical group S(=O)(=O)([O-])[O-] QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 210000001179 synovial fluid Anatomy 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 230000006794 tachycardia Effects 0.000 description 1
- 208000008203 tachypnea Diseases 0.000 description 1
- 206010043089 tachypnoea Diseases 0.000 description 1
- BNWCETAHAJSBFG-UHFFFAOYSA-N tert-butyl 2-bromoacetate Chemical compound CC(C)(C)OC(=O)CBr BNWCETAHAJSBFG-UHFFFAOYSA-N 0.000 description 1
- RZZFTOJEHIRCRK-UHFFFAOYSA-N tert-butyl n-(3-methoxy-2-methylphenyl)carbamate Chemical compound COC1=CC=CC(NC(=O)OC(C)(C)C)=C1C RZZFTOJEHIRCRK-UHFFFAOYSA-N 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- DGQOCLATAPFASR-UHFFFAOYSA-N tetrahydroxy-1,4-benzoquinone Chemical compound OC1=C(O)C(=O)C(O)=C(O)C1=O DGQOCLATAPFASR-UHFFFAOYSA-N 0.000 description 1
- OSBSFAARYOCBHB-UHFFFAOYSA-N tetrapropylammonium Chemical compound CCC[N+](CCC)(CCC)CCC OSBSFAARYOCBHB-UHFFFAOYSA-N 0.000 description 1
- 150000003536 tetrazoles Chemical class 0.000 description 1
- 150000007970 thio esters Chemical class 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- VLZVXVNGVZTXEI-UHFFFAOYSA-N thiopyrano[3,4-b]indole Chemical compound S1C=CC2=C3C=CC=CC3=NC2=C1 VLZVXVNGVZTXEI-UHFFFAOYSA-N 0.000 description 1
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- 230000009261 transgenic effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- DBGVGMSCBYYSLD-UHFFFAOYSA-N tributylstannane Chemical compound CCCC[SnH](CCCC)CCCC DBGVGMSCBYYSLD-UHFFFAOYSA-N 0.000 description 1
- DHWBYAACHDUFAT-UHFFFAOYSA-N tricyclopentylphosphane Chemical compound C1CCCC1P(C1CCCC1)C1CCCC1 DHWBYAACHDUFAT-UHFFFAOYSA-N 0.000 description 1
- BDZBKCUKTQZUTL-UHFFFAOYSA-N triethyl phosphite Chemical compound CCOP(OCC)OCC BDZBKCUKTQZUTL-UHFFFAOYSA-N 0.000 description 1
- GGUBFICZYGKNTD-UHFFFAOYSA-N triethyl phosphonoacetate Chemical compound CCOC(=O)CP(=O)(OCC)OCC GGUBFICZYGKNTD-UHFFFAOYSA-N 0.000 description 1
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 description 1
- IGNTWNVBGLNYDV-UHFFFAOYSA-N triisopropylphosphine Chemical compound CC(C)P(C(C)C)C(C)C IGNTWNVBGLNYDV-UHFFFAOYSA-N 0.000 description 1
- RYYVLZVUVIJVGH-UHFFFAOYSA-N trimethylxanthine Natural products CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/48—Hydrolases (3) acting on peptide bonds (3.4)
- A61K38/482—Serine endopeptidases (3.4.21)
- A61K38/4866—Protein C (3.4.21.69)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- This invention relates to the field of medicine and specifically to the treatment of sepsis.
- Reaction to infection involves a great many bodily responses. Onset of a systemic inflammatory response to causes such as microbial invasion is called sepsis. When the body is overwhelmed and the defensive mechanisms fail (viz., sepsis, severe sepsis, septic shock) the body is a great risk.
- the prior art has recently disclosed two relatively new pharmaceutical agents (and related methods of use) for treating sepsis. These agents are (a) Activated Protein C, and (b) sPIJ ? inhibitors.
- Activated Protein C is a serine protease and naturally occurring anticoagulant that plays a role in the regulation of vascular homeostasis by inactivating Factors V a and VIII a in the coagulation cascade.
- Human Protein C is made in vivo primarily in the liver as a single polypeptide of 461 amino acids.
- Protein C functions as an important down-regulator of blood coagulation factors that promote thrombosis.
- the Protein C enzyme system represents a major physiological mechanism of anticoagulation.
- the critical role of protein C in controlling hemostasis is exemplified by the increased rate of thrombosis in heterozygous deficiency, protein C resistance (e.g., due to the common Factor V Leiden mutation) and the fatal outcome of untreated homozygous protein C deficiency.
- Human activated protein C both plasma-derived and recombinant, have been shown to be effective and safe antithrombotic agents in a variety of animal models for both venous and arterial thrombosis.
- Activated protein C in recent clinical studies has been shown to be effective in human thrombotic diseases including the treatment of protein C deficiencies and microvascular thrombosis, such as disseminated intravascular coagulation associated with sepsis.
- sPLA2 human non-pancreatic secretory phospholipase A2
- sPLA2 is a rate limiting enzyme in the arachidonic acid cascade which hydrolyzes membrane phospholipids .
- fatty acids e.g., arachidonic acid
- Such compounds would be of value in general treatment of conditions induced and/or maintained by overproduction of sPLA2, such as sepsis.
- This invention is a pharmaceutical composition comprising: (a) an SPLA2 inhibitor, and
- This invention is also a method of treating or preventing sepsis by administering to a mammal in need thereof a therapeutically effective amount of (a) an
- SPLA2 inhibitor and a therapeutically effective amount of (b) Activated Protein C; wherein (a) and (b) are both administered within a therapeutically effective interval.
- Activated Protein C aPC - Activated human Protein C, also called, Activated Protein C.
- Protein C Activity any property of activated human Protein C or its derivatives responsible for proteolytic, amidolytic, esterolytic, and biological (anticoagulant or pro-fibrinolytic) activities. Methods for testing for Protein C anticoagulant and amidolytic activity are well known in the art, i.e., see Grinnell et.al., 1987, Bio/Technology 5:1189-1192.
- rhaPC Recombinant activated human protein C, produced by activating r-HPC in vitro or by direct secretion of the activated form of Protein C from prokaryotic cells, eukaryotic cells, or from transgenic animals .
- zymogen an enzymatically inactive precursor of a proteolytic enzyme.
- Protein C zymogen refers to secreted, inactive forms, whether one chain or two chain, of protein C.
- sPIJJ?- secretary phospholipase A2 SPL 2 inhibitor means a compound which inhibits SPLA2 mediated release of fatty acid.
- sepsis - Sepsis is defined as a systemic inflammatory response to infection, associated with and mediated by the activation of a number of host defense mechanisms including the cytokine network, leukocytes, and the complement and coagulation/fibrinolysis systems (Mesters et al . , Blood 88:881-886, 1996).
- DIC Disseminated intravascular coagulation
- terapéuticaally effective amount is an amount of (a) sPIJJ? inhibitor or an amount of (b) aPC which is effective to prevent or ameliorate sepsis.
- terapéuticaally effective interval is a period of time beginning when one of either (a) the sPI .2 inhibitor or (b) aPC is administered to a mammal and ending at the limit of the beneficial effect in preventing or ameliorating psesis of (a) or (b) .
- terapéuticaally effective combination means administration of both (a) SPLA2 inhibitor and (b)
- Activated protein C either simultaneously or separately.
- Active ingredient refers to a combination of (a) sPIA? inhibitor and (b) Activated Protein C co-present in a pharmaceutical formulation for the delivery of a treatment regimen that applies this invention.
- injectable liquid carrier refers to a liquid medium containing either or both of (a) sPLA2 inhibitor, or (b) Activated Protein C; wherein (a) and (b) are independently dissolved, suspended, dispersed, or emulsified in the liquid medium.
- alkyl - a straight or branched chain monovalent hydrocarbon radical such as methyl, ethyl, n-propyl, isopropyl, n-butyl, tertiary butyl, isobutyl, sec- butyl, n-pentyl, and n-hexyl.
- alkenyl - a straight chain or branched monovalent hydrocarbon group having the stated number range of carbon atoms, and typified by groups such as vinyl, propenyl, crotonyl, isopentenyl, and various butenyl isomers .
- hydrocarbyl - an organic group containing only carbon and hydrogen. halo - fluoro, chloro, bro o, or iodo.
- heterocyclic radical- radicals derived from monocyclic or polycyclic, saturated or unsaturated, substituted or unsubstituted heterocyclic nuclei having 5 to 14 ring atoms and containing from 1 to 3 hetero atoms selected from the group consisting of nitrogen, oxygen or sulfur, phenylpyridinyl, benzylpyridinyl, pyrimidinyl, phenylpyrimidinyl, pyrazinyl, 1, 3, 5-triazinyl, quinolinyl, phthalazinyl, quinazolinyl, morpholino, thiomorpholino, homopiperazinyl, tetrahydrofuranyl, tetrahydropyranyl, oxacanyl, 1, 3-dioxolanyl, 1,3- dioxanyl, 1, 4-dioxanyl, tetrahydrothiopheneyl, pentamethylenesulfadyl, 1, 3-dithianyl,
- carbocyclic radical - a radical derived from a saturated or unsaturated, substituted or unsubstituted 5- to 14-membered organic nucleus whose ring forming atoms (other than hydrogen) are solely carbon atoms.
- Typical carbocyclic radicals are cycloalkyl, cycloalkenyl, phenyl, naphthyl, norbornanyl, bicycloheptadienyl, tolulyl, xylenyl, indenyl, stilbenyl, terphenylyl, diphenylethylenyl, phenyl-cyclohexenyl, acenaphthylenyl, and anthracenyl, biphenyl, bibenzylyl and related bibenzylyl homologues represented by the formula (bb) ,
- n is a number from 1 to 8.
- substituent - radicals suitable for substitution at positions 4, 5, 6, and/or 7 on the indole nucleus (as hereinafter depicted in Formula I) and radical (s) suitable for substitution on the heterocyclic radical and carbocyclic radical as defined above.
- Illustrative non-interfering radicals are Ci-C ⁇ alkyl, C2-C5 alkenyl, C2 ⁇ Cg alkenyl, C7-C12 aralkyl, C7-C12 alkaryl, C3-C8 cycloalkyl, C3-C8 cycloalkenyl, phenyl, tolulyl, xylenyl, biphenyl, C ⁇ -C6 alkoxy, C2 ⁇ Cg alkenyloxy, C2-C5 alkenyloxy, C2 ⁇ Ci2 alkoxyalkyl, C2 _ C12 alkoxyalkyloxy, C2-C12 alkylcarbonyl, C2-C12 alkylcarbonylamino, C2-C12 alkoxyamino, C2-C12 alkoxyaminocarbonyl, C1-C12 alkylamino, C ⁇ -C6 alkylthio, C2-C12 alkylthiocarbonyl, C1-C6
- acidic group an organic group which when attached to an indole nucleus, through suitable linking atoms (hereinafter defined as the "acid linker"), acts as a proton donor capable of hydrogen bonding.
- suitable linking atoms hereinafter defined as the "acid linker”
- acid linker - a divalent linking group symbolized as, -(L a )-, which has the function of joining the 4 or 5 position of the indole nucleus to an acidic group in the general relationship:
- acid linker length the number of atoms (excluding hydrogen) in the shortest chain of the linking group -(La)- that connects the 4 or 5 position of the indole nucleus with the acidic group.
- the presence of a carbocyclic ring in -(L a )- counts as the number of atoms approximately equivalent to the calculated diameter of the carbocyclic ring.
- a benzene or cyclohexane ring in the acid linker counts as 2 atoms in calculating -lithe length of - (L a ) - .
- Illustrative acid linker groups are;
- groups (a) , (b) , and (c) have acid linker lengths of 5, 7, and 2, respectively.
- mammal - includes human mammalian - includes human. alkylene chain of 1 or 2 carbon atoms - the divalent radicals, -CH2-CH2- and -CH2-.
- pharmaceutically acceptable - the carrier, diluent or excipient must be compatible with the other ingredients of the formulation and not deleterious to the recipient thereof.
- carbazole SPLA2 inhibitors includes SPLA2 inhibitors having either a carbazole or a tetrahydrocarbazole nucleus.
- Active ingredient refers to a combination of (a) SPLA2 inhibitor and (b) Activated Protein C existing as compounds or mixture in a pharmaceutical formulation for the delivery of a treatment regimen that applies this invention.
- SPLA2 inhibitors are generally useful in the practice in this invention.
- SPLA2 classes of suitable SPLA2 useful in the the method of the invention for treatment of sepsis are the following:
- United States Patent Application Serial No. 09/105381 discloses the following process having steps (a) thru (i) : Preparing a compound of the formula (I) or a pharmaceutically acceptable salt or prodrug derivative thereof
- R-- is selected from the group consisting of -C7-C20 alkyl
- R-LO is selected from the group consisting of halo, C ⁇ -C ⁇ o alkyl, C ⁇ -C ⁇ o alkoxy, -S- (C ⁇ -C ⁇ o alkyl) and halo (C -C ⁇ ) alkyl, and t is an integer from 0 to 5 both inclusive;
- R2 is selected from the group consisting of hydrogen, halo, C -C 3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0- (C ⁇ -C2 alkyl), -S- (C ⁇ -C2 alkyl), aryl, aryloxy and HET;
- R ⁇ is selected from the group consisting of -CO2H, -SO3H and -P(O) (OH) 2 or salt and prodrug derivatives thereof;
- R ⁇ , R6 a ⁇ d R 7 are each independently selected from the group consisting of hydrogen, (C -Cg) alkyl, (C ⁇ Cg) alkoxy, halo (C ⁇ -Cg) alkoxy, halo (C2 ⁇ C ) alkyl, bromo, chloro, fluoro, iodo and aryl; which process comprises the steps of: a) halogenating a compound of formula X
- R 8 is (C ⁇ -Cg) alkyl, aryl or HET; with SO2CI2 to form a compound of formula
- the synthesis methodology for making the 1H- indole-3-glyoxylamide SPLA2 inhibitor may be by any suitable means available to one skilled in the chemical arts. However, such methodology is not part of the present invention which is a method of use, specifically, a method of treating mammal afflicted or susceptible to sepsis.
- the method of the invention is for treatment of a mammal, including a human, afflicted sepsis, said method comprising administering to said human a therapeutically effective amount of the compound represented by formula (la), or a pharmaceutically acceptable salt or prodrug derivative thereof;
- R]_Q is a radical independently selected from halo, C -C ⁇ o alkyl, C ⁇ -C ⁇ o alkoxy, -S-(C ⁇ -C ⁇ o alkyl), and C ⁇ -C ⁇ o haloalkyl and t is a number from 0 to 5;
- R2 is selected from the group; halo, cyclopropyl, methyl, ethyl, and propyl; R4 and R5 are independently selected from hydrogen, a non-interfering substituent, or the group, - (L a ) - (acidic group), wherein _ (L a )- is an acid linker; provided, the acid linker group, -(L a )-, for R4 is selected from the group consisting of;
- the acid linker, _ (L a )- / for R5 is selected from group consisting of;
- Rg and Rg5 are each independently selected from hydrogen, C -C g alkyl, aryl, C -C ⁇ o alkaryl, C ⁇ C aralkyl, carboxy, carbalkoxy, and halo; and provided, that at least one of R4 and R5 must be the group, - (L a ) - (acidic group) and wherein the (acidic group) on the group - (L a ) - (acidic group) of R4 or R5 is selected from -CO2H, -SO3H, or -P(O) (OH) 2; Rg and R7 are each independently selected form hydrogen and non-interfering substituents, with the non-interfering substituents being selected from the group consisting of the following: C ⁇ -Cg alkyl, C2 ⁇ Cg alkenyl, C2 ⁇ C alkynyl, C7-C12 aralkyl, C7-C12 alkaryl, C3-C8 cycloal
- n is from 1 to 8.
- compositions of the invention are 1H- indole-3-glyoxylamide compounds and all corresponding pharmaceutically acceptable salts, solvates and prodrug derivatives thereof which are useful in the method of the invention include the following:
- prodrugs of the compounds of formula (I) and named compounds (A) thru (0) are prodrugs of the compounds of formula (I) and named compounds (A) thru (0) .
- the preferred prodrugs are the aromatic and aliphatic esters, such as the methyl ester, ethyl ester, n-propyl ester, isopropyl ester, n-butyl ester, sec- butyl, tert-butyl ester, N,N-diethylglycolamido ester, and morpholino-N-ethyl ester.
- Methods of making ester prodrugs are disclosed in U.S. Patent No. 5,654,326. Additional methods of prodrug synthesis are disclosed in U.S. Provisional Patent Application Serial No.
- 60/063280 filed October 27, 1997 (titled, N, N-diethylglycolamido ester Prodrugs of Indole SPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference;
- U.S. Provisional Patent Application Serial No. 60/063646 filed October 27, 1997 (titled, Morpholino-N-ethyl Ester Prodrugs of Indole SPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference;
- U.S. Provisional Patent Application Serial No. 60/063284 filed October 27, 1997 (titled, Isopropyl Ester Prodrugs of Indole SPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference.
- the aniline, 2, on heating with di-tert-butyl dicarbonate in THF at reflux temperature is converted to the N-tert-butylcarbonyl derivative, 3, in good yield.
- the dilithium salt of the dianion of 3 is generated at -40 to -20 °C in THF using sec-butyl lithium and reacted with the appropriately substituted N-methoxy-N-methylalkanamide.
- This product, 4, may be purified by crystallization from hexane, or reacted directly with trifluoroacetic acid in methylene chloride to give the 1, 3-unsubstituted indole 5.
- the 1, 3-unsubstituted indole 5 is reacted with sodium hydride in dimethylformamide at room temperature (20-25 °C) for 0.5-1.0 hour.
- the resulting sodium salt of 5 is treated with an equivalent of arylmethyl halide and the mixture stirred at a temperature range of 0-100 °C, usually at ambient room temperature, for a period of 4 to 36 hours to give the 1-arylmethylindole, 6.
- This indole, 6, is 0- demethylated by stirring with boron tribro ide in methylene chloride for approximately 5 hours (see ref. Tsung-Ying Shem and Charles A Winter, Adv. Drug Res., 1977, 12, 176, the disclosure of which is incorporated herein by reference) .
- the 4-hydroxyindole, 7, is alkylated with an alpha bromoalkanoic acid ester in dimethylformamide (DMF) using sodium hydride as a base, with reactions conditions similar to that described for the conversion of 5 to 6.
- the a-[(indol-4- yl) oxy] alkanoic acid ester, 8, is reacted with oxalyl chloride in methylene chloride to give 9, which is not purified but reacted directly with ammonia to give the glyoxamide 10.
- This product is hydrolyzed using IN sodium hydroxide in MeOH.
- the final glyoxylamide, 11, is isolated either as the free carboxylic acid or as its sodium salt or in both forms.
- the most preferred compound, [ [3- (2-Amino-l, 2- dioxoethyl) -2-ethyl-l- (phenylmethyl) -lH-indol-4- yl] oxy] acetic acid (as well as its sodium salt and methyl ester) useful in the practice of the method of the invention, may be prepared by the following procedure: Preparation of [ [3- (2-Amino-l, 2-dioxoethyl) -2-ethyl- 1- (phenylmethyl) -lH-indol-4-yl] oxy] acetic acid, a compound represented by the formula:
- reaction mixture was stirred 5 minutes, the cooling bath removed and stirred an additional 18 hours. It was then poured into a mixture of 300 mL of ether and 400 L of 0.5N HCl. The organic layer was separated, washed with water, brine, dried over MgS ⁇ 4, and concentrated at reduced pressure to give 25.5g of a crude of l-[2-(tert- butoxycarbonylamino) -6-methoxyphenyl] -2-butanone . This material was dissolved in 250 mL of methylene chloride and 50 mL of trifluoroacetic acid and stirred for a total of 17 hours. The mixture was concentrated at reduced pressure and ethyl acetate and water added to the remaining oil.
- lH-indole-3-hydrazide SPLA2 inhibitors useful in practicing the method of the invention are described in U.S. Patent No. 5,578,634; the entire disclosure of which is incorporated herein by reference.
- the method of the invention is for treatment of a mammal, including a human, afflicted with sepsis, said method comprising administering to said human a therapeutically effective amount of the described as lH-indole-3-acetic acid hydrazides represented by the formula (lb) , and pharmaceutically acceptable salts, and prodrugs thereof;
- X is oxygen or sulfur
- Rx is selected from groups (i) , (ii) and (iii) where;
- (i) is C4-C20 alkyl, C4-C20 alkenyl, C4-C20 alkynyl, C4-C2 0 haloalkyl, C4-CX2 cycloalkyl, or
- (ii) is aryl or aryl substituted by halo, -CN, -CHO, -OH, -SH, C ⁇ -C 10 alkylthio, C ⁇ -C 10 alkoxy, CI-CIQ alkyl, carboxyl, amino, or hydroxya ino; (iii) is
- R74 is, independently, hydrogen or C ⁇ -C ⁇ o alkyl
- R75 is aryl or aryl substituted by halo, -CN, -CHO, -OH, nitro, phenyl, -SH, C ⁇ -C ⁇ o alkylthio, C -C ⁇ g alkoxy, C -C ⁇ o alkyl, amino, hydroxyamino or a substituted or unsubstituted 5- to 8- membered heterocyclic ring;
- R2 is halo, C -C3 alkyl, ethenyl, C -C2 alkylthio, C -C2 alkoxy, -CHO, -CN; each R3 is independently hydrogen, C -C3 alkyl, or halo;
- R4 R5, Rg, and R7 are each independently hydrogen, C ⁇ -C ⁇ o alkyl, C ⁇ -C ⁇ o alkenyl, C -C ⁇ o alkynyl, C3-C8 cycloalkyl, aryl, aralkyl, or any two adjacent hydrocarbyl groups in the set R4 R5, Rg, and R7 combined with the ring carbon atoms to which they are attached to form a 5- or 6-membered substituted or unsubstituted carbocyclic ring; or C ⁇ -C ⁇ g haloalkyl, C -C ⁇ g alkoxy, C ⁇ C o haloalkoxy, C4-C8 cycloalkoxy, phenoxy, halo, hydroxy, carboxyl, -SH, -CN, -S(C ⁇ -C ⁇ o alkyl), arylthio, thioacetal, -C (0) 0 (C ⁇ -C ⁇ o alkyl), hydrazino,
- Z is a bond, -0-, -N(C ⁇ -C 10 alkyl)-, -NH, or -S-; and Q is -C0N(Rg2 R 83) / -5-tetrazolyl, -S0 3 H,
- Rsg is independently selected from hydrogen, a metal, or C -C ⁇ o alkyl.
- the lH-indole-3-acetic acid ester can be readily alkylated by an alkyl halide or arylalkyl halide in a solvent such as N, N-dimethylformamide (DMF) in the presence of a base (meth a) to give the intermediate 1- alkyl-lH-indole-3-acetic acid esters, III.
- a solvent such as N, N-dimethylformamide (DMF)
- a base meth a
- Bases such as potassium t-butoxide and sodium hydride were particularily useful. It is advantageous to react the indole, II, with the base to first form the salt of II and then add the alkylating agent. Most alkylations can be carried out at room temperature.
- Useful inhibitors are represented by formula (lib) , and pharmaceutically acceptable salts and prodrug derivatives thereof,
- X is oxygen or sulfur
- R ⁇ is selected from groups (i) , (ii) (iii) and (iv) where;
- (i) is C -C20 alkyl, Cg-C20 alkenyl, Cg-C2o alkynyl, Cg-C20 haloalkyl, C4-CX2 cycloalkyl, or
- (ii) is aryl or aryl substituted by halo, nitro, -CN, -CHO, -OH, -SH, C ⁇ -C 10 alkyl, C ⁇ -C 10 alkylthio, C ⁇ -C ⁇ o alkoxyl, carboxyl, amino, or hydroxyamino; or (iii) is -(CH 2 ) n -( R 8 ⁇ ) / or -(NH)-(R 8 ⁇ ), where n is 1 to 8, and Rso is a group recited in (i), and Rsi is selected from a group recited in (i) or (ii) ;
- Rg7 is hydrogen or C ⁇ -C o alkyl
- Rg8 is selected from the group; phenyl, naphthyl, indenyl, and biphenyl, unsubstituted or substituted by halo, -CN, - CHO, -OH, -SH, C ⁇ -C 10 alkylthio, C ⁇ -C 10 alkoxyl, phenyl, nitro, C ⁇ -C ⁇ o alkyl, C ⁇ -C ⁇ o haloalkyl, carboxyl, amino, hydroxyamino; or a substituted or unsubstituted 5 to 8 membered heterocyclic ring;
- R 2 s halo, C -C2 alkylthio, or C -C2 alkoxy; each R 3 is independently hydrogen, halo, or methyl; R 14 R 15' R 16' anc Rl7 are each independently hydrogen, C ⁇ -C ⁇ g alkyl, C ⁇ -C ⁇ o alkenyl, C ⁇ -C ⁇ o alkynyl, C 3 -C 8 cycloalkyl, aryl, aralkyl, or any two adjacent hydrocarbyl groups in the set R 4 15.
- Ri6' and R 17' combine with the ring carbon atoms to which they are attached to form a 5 or 6 membered substituted or unsubstituted carbocyclic ring; or C ⁇ -C ⁇ o haloalkyl, C ⁇ C o alkoxy, C ⁇ -C ⁇ o haloalkoxy, C4-C8 cycloalkoxy, phenoxy, halo, hydroxy, carboxyl, -SH, -CN, C ⁇ -C ⁇ o alkylthio, arylthio, thioacetal, -C (0) 0 (C ⁇ -C ⁇ o alkyl), hydrazide, hydrazino, hydrazido, -NH2, -NO2, -NR82 R 83' and -C (0) NR82 R 83' where, R82 an d R83 are independently hydrogen, C ⁇ -C ⁇ o alkyl, C ⁇ -C ⁇ o hydroxyalkyl, or taken together with N, R82 and R83
- Z is a bond, -0-, -N(C 1 -C ⁇ 0 alkyl)-, -NH-, or -S-, and
- Q is -CON(R 8 2R83) / -5-tetrazolyl, -SO3H,
- Rgg is independently selected from hydrogen, a metal, or C ⁇ -C ⁇ o alkyl
- R99 is selected from hydrogen or C ⁇ -C ⁇ o alkyl.
- the lH-indole-3-acetamide II may be alkylated by an alkyl halide or arylalkyl halide in a solvent such as N,N- dimethylformamide (DMF) in the presence of a base (method a) to give intermediate l-alkyl-lH-indole-3-acetic acid esters, III.
- a solvent such as N,N- dimethylformamide (DMF)
- a base (method a) to give intermediate l-alkyl-lH-indole-3-acetic acid esters, III.
- Bases such as potassium t-butoxide and sodium hydride are useful. It is advantageous to react the indole, II, with the base to first form the salt of II and then add alkylating agent.
- the intermediate acetic acid esters, III can be first hydrolyzed to the acetic acid derivatives, V
- lH-indole-1-functional SPLA2 inhibitors of the hydrazide, amide, or glyoxylamide types as described in United States Patent No. 5,641,800, the entire disclosure of which is incorporated herein by reference. These inhibitors are useful ingredients in the compositons of the invention and the method of the invention for treatment of a mammal, including a human, afflicted with sepsis .
- X is oxygen or sulfur; each R is independently hydrogen, or C -C3 alkyl; R3 is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C7-C20 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or (b) is a member of (a) substituted with one or more independently selected non-interfering substituents; or
- (c) is the group -(L)-Rso/ where, -(L)- is a divalent linking group of 1 to 12 atoms and where Rso is a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C1-C 3 alkyl, C 3 -C4 cycloalkyl, C 3 -C4 cycloalkenyl, -0- (C ⁇ -C2 alkyl), -S- (C ⁇ C2 alkyl), or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- Rg and R7 are independently selected from hydrogen, a non-interfering substituent, or the group, - (L a ) - (acidic group) .
- -(L a )- is an acid linker having an acid linker length of 1 to 10; provided, that at least one of Rg and R7 must be the group, - (L a ) - (acidic group) ;
- R4 and R5 are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical substituted with non-interfering substituents .
- lH-indole-1-hydrazide compounds useful as SPLA2 inhibitors in the practice of the method and formulation of the compositions of the invention are as follows:
- X is oxygen or sulfur; each R is independently hydrogen, or C -C3 alkyl;
- R3 is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C 7 -C 2 o alkenyl, C 7 -C o alkynyl, carbocyclic radical, or heterocyclic radical, or (b) is a member of (a) substituted with one or more independently selected non-interfering substituent; or (c) is the group -(L)-Rg ⁇ '' where, - (L) - is a divalent linking group of 1 to 12 atoms and where Rso is a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C -C3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0- (C -C2 alkyl), -S- (C ⁇ C2 alkyl), or a non-interfering substituent having a total of ltto 3 atoms other than hydrogen;
- Rg and R7 are independently selected from hydrogen, a non-interfering substituent, or the group,
- R4 and R5 are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical substituted with non-interfering substituents.
- Phospholipase A2 Inhibitor Compounds Having an Indolizine Type Nucleus, Parmaceutical Formulations Containing Said compounds, and Therapeutic Methods of Using said Compounds are useful in the formulation of the compositions of the invention and in the practice of the method of the invention is for treatment of a mammal, including a human, afflicted with sepsis.
- Useful lH-indole-1-functional compounds or pharmaceutically acceptable salts, solvates or prodrug derivatives are represented by the formula (Id) ;
- R 3 is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C7-C2 0 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or
- (b) is a member of (a) substituted with one or more independently selected non-interfering substituents; or (c) is the group -(L)-Rgo; where, - (L) - is a divalent linking group of 1 to 12 atoms and where Rgo i a group selected from (a) or (b) ;
- R 2 i hydrogen, halo, C -C 3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0- (C ⁇ -C2 alkyl), -S- (C ⁇ C2 alkyl) , or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- R 7 and R 8 are independently selected from hydrogen, a non-interfering substituent, or the group, - (L a )- (acidic group) .
- -(L a )- is an acid linker having an acid linker length of 1 to 10; provided, that at least one of R 7 and R 8 must be the group, - (L a ) - (acidic group) ; and
- R ⁇ 5 and R are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical substituted with non-interfering substituents .
- X is selected from oxygen or sulfur; each R3 is independently hydrogen, C1-C3 alkyl, or halo;
- R l is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C7-C20 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or
- (b) is a member of (a) substituted with one or more independently selected non-interfering substituents; or (c) is the group -(L)-Rgo; where, -(L)- is a divalent linking group of 1 to 12 atoms and where Rso i a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C -C3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0-(C ⁇ -C2 alkyl), -S- (C ⁇ -C 2 alkyl), or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- R5 and Rg are independently selected from hydrogen, a non-interfering substituent, or the group, -(L a )- (acidic group) ; wherein -(L a )-, is an acid linker having an acid linker length of 1 to 10; provided, that at least one of R5 and Rg must be the group, - (L a ) - (acidic group);
- R7 and Rs are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical substituted with non-interfering substituents .
- the indolizine compounds may be made by one of more of the following reaction schemes:
- Compound 12 (N. Desidiri, A. Galli, I. Sestili, and M. L. Stein, Arch. Pharm. (Weinheim) 325, 29, (1992)) is reduced by hydrogen in the presence of Pd/C to 14 which gives 15 on ammonolysis using ammonium hydroxide.
- Compound 23 (N. Desideri F. Manna, M. L. Stein, G. Bile, W. Filippeelli, and E. Marmo, Eur. J. Med. Chem. Chi . Ther., 18, 295, (1983)) is O-alkylated using sodium hydride and benzyl chloride to give 24. N-alkylation of 24 by l-bromo-2-butanone or chloromethylcyclopropyl ketone and subsequent base catalyzed cyclization gives 25 which is acylated by aroyl halide to give 26. Hydrolysis of the ester function of 26 followed by acidification forms an acid which is thermally decarboxylated to give 27. Reduction of the ketone function of 27 by LAH yields indolizines 28.
- R 2 Ph 33a R-pH
- R 2 Ph b R-
- OBn
- R 2 Ph c R-pOMe
- R 2 Ph c R-
- OBn
- R 2 cyclo-Hex d
- OBn
- R 2 cyclo-Hex
- the hydroxypyridine is O-alkylated to give 44 which is heated with 2-haloketones to produce 45.
- Treatment of 45 with base causes cyclization to 46 which on heating with acid chlorides yields acylindolizines 47 which are reduced by aluminum hydride to the corresponding alkylindolizines 48.
- Sequential treatment of 48 with oxalyl chloride and then ammonia gives 49.
- Cleavage of the ether functionality of 49 yields 50.
- the oxyacetic ester derivatives 51 are formed by O-alkylation of 50 and then hydrolyzed to the oxyacetic acids 52.
- Pyridine 43 is O-alkylated to produce 53. Heating 53 with 2-haloketones gives intermediate N-alkylated pyridinium compounds which are cyclized to 54 on treatment with base. Heating 54 with acyl chlorides gives the acylindolizines 55 which are reduced to the alkylindolizines 56 by sodium borohydride-aluminum chloride. Alternatively, 56 are produced by C-alkylation of 54 using alkyl halides. Sequential treatment of 56 with oxalyl chloride and then ammonia gives 57 which are hydrolyzed to produce 58. Compound 58b is converted to its sodium salt 59a which yields 59b-k on reaction with the appropriate alkyl halide. Scheme 6e - Part 2
- Compound 36b is O-alkylated to give 591-p.
- Pyridine 60 is N-alkylated by 2-haloketones to produce intermediate pyridinium compounds which are cyclized by base to give 61.
- Reaction of 61 with acyl chlorides produces 62 which are reduced to 63 by tert butylamine-borane and aluminum chloride.
- Sequential treatment of 63 with oxalyl chloride and then ammonia yields 64 which are O-demethylated by BBr3 to give 65.
- the sodium salt of 65 is reacted with ethyl 4- bromobutyrate to give 66 which is hydrolyzed to the acid 67.
- Compounds 36d and 65c are O-alkylated by omega- bromocarboxylic esters to give 68 which are hydrolyzed to the acids 69.
- Compounds 36d and 65c produce 70 on treatment with propiolactone and base.
- Pyridine 44b reacts with ethyl bromoacetate to produce 72 which is treated with CS2 and base and then with ethyl acrylate to form 73.
- Reaction of 73 with base and ethyl bromoacetate yields a mixture of regioisomers 74a+b, 6- and 8-benzyloxy compounds.
- Base treatment of 74a+b eliminates ethyl acrylate to form 75 which is separated from the isomer of 6-benzyloxy derivative and S-alkylated to give 76. Hydrolysis of 76 forms 77 which is thermally decarboxylated to yield 78.
- Aminopicoline 84 is converted to its N-CBZ derivative 85 whose anion is alkylated by methyl bromoacetate to produce 86.
- Reaction of 86 with methyl alpha-bromoalkyl ketones in the presence of base yields 87.
- Sequential treatment of 87 with oxalyl chloride and then ammonia gives 88 which is converted to 89 by hydrogenolysis of the N-CBZ function. Hydrolysis of 89 yields acids 90.
- Pyridine 24 is N-alkylated by methyl bromoacetate, cyclized with base, and o-methylated using dimethysulfate to give 94.
- Hydrolysis of the ester function of 94 followed by thermal decarboxylation yields 2-methoxy-8- benzyloxyindolizine which is C-alkylated at position 3 and then reacted sequentially with oxalyl chloride and ammonia to produce 95.
- Hydrogenolysis of the 8-benzyloxy group followed by O-alkylation gives 96 which is hydrolyzed to 97.
- the method of the invention is for treatment of a mammal, including a human, afflicted with sepsis, said method comprising administering to said human a therapeutically effective amount of an indene-1-acetamide compound or a pharmaceutically acceptable salt, solvate or prodrug derivative thereof; wherein said compound is represented by the formula (If);
- X is oxygen or sulfur; each R is independently hydrogen, C1-C3 alkyl, or halo;
- R3 is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C7-C20 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or
- (b) is a member of (a) substituted with one or more independently selected non-interfering substituents; or (c) is the group -(L)-Rgo; where, -(L)- is a divalent linking group of 1 to 12 atoms and where RQQ i- s a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C -C3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0- (C ⁇ -C 2 alkyl), -S- (C ⁇ -C 2 alkyl), or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- Rg and R7 are independently selected from hydrogen, a non-interfering substituent, or the group, - (L a ) - (acidic group) .
- _ ( a )- is an acid linker having an acid linker length of 1 to 10; provided, that at least one of Rg and R7 must be the group, - (L a ) - (acidic group); and
- R4 and R5 are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical substituted with non-interfering substituents .
- Suitable indene compounds also include the following:
- X is oxygen or sulfur; each Rx is independently hydrogen, C -C3 alkyl, or halo;
- R3 is selected from groups (a) , (b) and (c) where; (a) is C7-C20 alkyl, C7-C20 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or (b) is a member of (a) substituted with one or more independently selected non-interfering substituents; or
- (c) is the group -(L)-Rg ⁇ ' where, - (L) - is a divalent linking group of 1 to 12 atoms and where Rgo is a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C -C3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0-(C ⁇ -C2 alkyl), -S- (C ⁇ -C2 alkyl), or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- Rg and R7 are independently selected from hydrogen, a non-interfering substituent, or the group, -(L a )- (acidic group) ; wherein ⁇ (L a )-, is an acid linker having an acid linker length of 1 to 10; provided, that at least one of Rg and R7 must be the group, - (L a ) - (acidic group); and
- R4 and R5 are each independently selected from hydrogen, non-interfering substituent, carbocyclic radical, carbocyclic radical substituted with non- interfering substituents, heterocyclic radical, and heterocyclic radical
- Suitable indene compounds for use in the method of the invention also include the following: An indene-1-glyoxylamide compound or a pharmaceutically acceptable salt, solvate or prodrug derivative thereof; wherein said compound is represented by the formula
- X is oxygen or sulfur
- R3 is selected from groups (a) , (b) and (c) where;
- (a) is C7-C20 alkyl, C7-C20 alkenyl, C7-C20 alkynyl, carbocyclic radical, or heterocyclic radical, or
- (b) is a member of (a) substituted with one or more independently selected non-interfering substituents;
- (c) is the group -(L)-Rgo; where, - (L) - is a divalent linking group of 1 to 12 atoms and where Rgo is a group selected from (a) or (b) ;
- R2 is hydrogen, halo, C -C3 alkyl, C3-C4 cycloalkyl, C3-C4 cycloalkenyl, -0- (C ⁇ -C2 alkyl), -S- (C ⁇ -C2 alkyl), or a non-interfering substituent having a total of 1 to 3 atoms other than hydrogen;
- Rg and R7 are independently selected from hydrogen, a non-interfering substituent, or the group, -(L a )- (acidic group) ; wherein -( a )-, is an acid linker having an acid linker length of 1 to 10; provided, that at least one of Rg and R7 must be the group, - (L a ) - (acidic
- the method of making the indene compounds is as follows:
- R 2-N
- R b i s - ( CH 2 ) n COOH -Ill- Compound 7 is condensed with benzaldehyde and its derivatives in the presence of base to give 10.
- Indenes 10 are converted to an active ester using benzotriazo-1- yloxytris (dimethylamino) hexafluorophosphonate and then reacted with ammonium hydroxide to form 11.
- Demethylation of 11 with BBr3 forms 12 which is O-alkylated using sodium hydride and an omega-bromoalkanoic acid ester to produce 13.
- Aqueous base hydrolysis of 13 yields 14.
- Compound 12c is O-alkylated using sodium hydride and methylbromoacetate to product 15 which is reduced by hydrogen in the presence of Pd/C to give a mixture of isomers 16a and 16b.
- Aqueous base hydrolysis of 16a and 16b gives 17a and 17b, respectively.
- Compound lOd is treated with lithium diisopropylamine, then air is bubbled into the solution to give 18.
- the indene 18 is converted to an active ester using benzotriazo-1- yloxytris (dimethylamino) hexafluorophosphonate and then reacted with ammonium hydroxide to form the hydroxy acetamide 19.
- Compound 19 is oxidized to 20 using N-methylmorpholine N-oxide in the presence of tetrapropylammonium perruthenate .
- A is phenyl or pyridyl wherein the nitrogen is at the
- B or D is nitrogen and the other is carbon
- Z is cyclohexenyl, phenyl, pyridyl, wherein the nitrogen is at the 1-, 2-, or 3-position, or a 6- membered heterocyclic ring having one heteroatom selected from the group consisting of sulfur or oxygen at the 1-, 2- or 3-position, and nitrogen at the 1-, 2-, 3- or 4-position; is a double or single bond;
- R20 is selected from groups (a) , (b) and (c) where; (a) is - (C5-C20) alkyl, - (C5-C20) alkenyl,
- R21 is a non-interfering substituent
- RI' is -NHNH 2 , -NH 2 or -CONH 2 ;
- R2' is selected from the group consisting of -OH, and
- R 5 ' is H, -CN, -NH 2 , -CONH 2/ -CONR 9 R 10 -NHS0 2 R 15 ;
- R 15 is - (Ci-Cg) alkyl or -CF 3 ; phenyl or phenyl substituted with -CO2H or -CO2 (C1-C4) alkyl; and - (L a ) - (acidic group), wherein ⁇ (L a )- is an acid linker having an acid linker length of 1 to 7 and t is 1-5; R is selected from non-interfering substituent, carbocyclic radicals, carbocyclic radicals substituted with non-interfering substituents, heterocyclic radicals, and heterocyclic radicals substituted with non-interfering substituents; or a pharmaceutically acceptable racemate, solvate, tautomer, optical isomer, prodrug derivative or salt thereof; provided that; when R ⁇ ' is H, R20 j_ s benzyl and m is 1 or 2; R2 ' cannot be -0(CH2) m H; and provided that
- compositions and method of the invention are compounds represented by the formula (He) :
- Z is cyclohexenyl, or phenyl
- R21 is a non-interfering substituent
- R 1 is -NHNH 2 or -NH 2 ;
- R is selected from the group consisting of -OH and
- R 5 is H, -C0 2 H, -CONH 2 , -C0 2 (C]_-C alkyl); P(R R ) , where R ⁇ and R 7 are each independently -OH or -0(02-04) alkyl; -S0 3 H, -SO3 (C1-C4 alkyl), tetrazolyl, ⁇ CN ' ⁇ NH 2' -NHS0 2 R15; -CONHSO R15, where R15 is - (C, -C fi ) alkyl or -CF_, phenyl or phenyl substituted with -C0 2 H or -C0 2 (C..-C.) alkyl where m is 1-3; R 3 is H, -0(C ⁇ -C4) alkyl, halo, - (C -Cg) alkyl, phenyl, - (C1-C ) alkylphenyl; phenyl substituted with - (
- R ⁇ is H, - (C5-C14) alkyl, - (C3-C14) cycloalkyl, pyridyl, phenyl or phenyl substituted with - (C ⁇ -Cg) alkyl, halo, -CF3, -OCF 3 , - (C1-C4) alkoxy, -CN, - (C ⁇
- Preferred specific compounds including all salts and prodrug derivatives thereof, for the compositions and method of the invention are as follows:
- carbazole inhibitors suitable for the compositions and method of thein invention are selected from those represented by the formula (XXX) :
- R2 is selected from the group consisting of -OH and - 0(CH 2 ) m R 5 wherein:
- R 5 is H, -C0 2 H, -C0 2 (C1-C4 alkyl); , where R 6 and
- R ⁇ are each independently -OH or -0 (C1-C4 ) alkyl
- R 15 is - (Ci-Cg) alkyl or -CF3, phenyl or phenyl substituted with -C02H or -CO2 (C ⁇ -C4) alkyl where m is 1-3;
- R 3 is H, -0(C ⁇ -C4) alkyl, halo, - (C ⁇ -Cg) alkyl, phenyl,
- R 4 is H, - (C5-C14) alkyl, - (C3-C14 ) cycloalkyl, pyridyl, phenyl or phenyl substituted with - (C ⁇ -Cg) alkyl, halo, -CF 3 , -OCF3 , - (C1-C4) alkoxy, -CN, - (C ⁇ C ) alkylthio, phenyl (CI-C4) alkyl, - (Ci- C4) alkylphenyl, phenyl, phenoxy or naphthyl;
- A is phenyl or pyridyl wherein the nitrogen is at the 5-, 6-, 7- or 8-position;
- Z is cyclohexenyl, phenyl, pyridyl wherein the nitrogen is at the 1-, 2- or 3-position or
- compositions and method of the invention are selected from the following:
- cabozole/tetrahydrocarbazole inhibitors for the compositions and method of treating sepsis are represented by the formulae (Xe) and (Xle) below:
- Prodrugs are derivatives of sPIJJ? inhibitors used in the method of the invention which have chemically or metabolically cleavable groups and become by solvolysis or under physiological conditions the compounds of the invention which are pharmaceutically active in vivo.
- Derivatives of the compounds of this invention have activity in both their acid and base derivative forms, but the acid derivative form often offers advantages of solubility, tissue compatibility, or delayed release in a mammalian organism (see, Bundgard, H., Design of Prodrugs, pp. 7-9, 21-24, Elsevier, 7Amsterdam 1985) .
- Prodrugs include acid derivatives well known to practitioners of the art, such as, for example, esters prepared by reaction of the parent acidic compound with a suitable alcohol, or amides prepared by reaction of the parent acid compound with a suitable amine. Simple aliphatic or aromatic esters derived from acidic groups pendent on the compounds of this invention are preferred prodrugs. In some cases it is desirable to prepare double ester type prodrugs such as (acyloxy) alkyl esters or ( (alkoxycarbonyl) oxy) alkyl esters.
- Specific preferred prodrugs are ester prodrugs inclusive of methyl ester, ethyl ester, n-propyl ester, isopropyl ester, n-butyl ester, sec-butyl, tert-butyl ester, N, N-diethylglycolamido ester, and morpholino-N-ethyl ester.
- Methods of making ester prodrugs are disclosed in U.S. Patent No. 5,654,326. Additional methods of prodrug synthesis are disclosed in U.S. Provisional Patent Application Serial No.
- 60/063280 filed October 27, 1997 (titled, N, N-diethylglycolamido ester Prodrugs of Indole sPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference;
- U.S. Provisional Patent Application Serial No. 60/063646 filed October 27, 1997 (titled, Morpholino-N-ethyl Ester Prodrugs of Indole sPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference;
- US Provisional Patent Application Serial No. 60/063284 filed October 27, 1997 (titled, Isopropyl Ester Prodrugs of Indole sPIJJ? Inhibitors) , the entire disclosure of which is incorporated herein by reference.
- Carbazole and tetrahydrocarbazole SPL 2 inhibitor compounds useful for practicing the method of the invention may be made by the following general methods:
- the compounds of formula le where Z is cyclohexene are prepared according to the following reaction Schemes Ig(a)and (c) .
- R 1 is -NH 2/ R 3 (a) is H, -0 (C1-C4 ) alkyl, halo, - (C ⁇ Cg) alkyl, phenyl, - (C1-C4) alkylphenyl; phenyl substituted with - (C ⁇ -Cg) alkyl, halo, or -CF3; - CH2 ⁇ Si (C ⁇ -Cg) alkyl, furyl, thiophenyl, - (C ⁇
- R 8 is H, -CONH 2 , -NR 9 R 10 , -CN or phenyl where R 9 and R 10 are independently hydrogen, -CF3, phenyl, - (C1-C4 ) alkyl, - (C1-C4) alkylphenyl or -phenyl (C1-C4 ) alkyl and n is 1 to 8; when R 1 is -NHNH 2/ R 3 (a) is H, -0 (C ⁇ -C ) alkyl, halo,
- R 8 is H, -NR 9 R 10 , -CN or phenyl where R 9 and R 10 are independently hydrogen, -CF3, phenyl, - (C1-C4) alkyl, - (C1-C4) alkylphenyl or -phenyl (C1-C4 ) alkyl and n is 1 to 8; R 2 ( a ) s _0CH 3 or -OH.
- An appropriately substituted nitrobenzene (1) can be reduced to the aniline (2) by treatment with a reducing agent, such as hydrogen in the presence of Pd/C, preferably at room temperature.
- a reducing agent such as hydrogen in the presence of Pd/C, preferably at room temperature.
- Compound (2) is N-alkylated at temperatures of from about 0 to 20 °C using an alkylating agent such as an appropriately substituted aldehyde and sodium cyanoborohydride to form (3) .
- an appropriately substituted benzyl halide may be used for the first alkylation step.
- the resulting intermediate is further N-alkylated by treatment with 2-carbethoxy- 6-bromocyclohexanone, preferably at temperatures of about 80 °C to yield (4) or by treatment with potassium hexamethyldisilazide and the bromoketoester .
- the product (4) is cyclized to the tetrahydrocarbazole (5) by refluxing with ZnCl2 in benzene for from about 1 to 2 days, preferably at 80 °C.
- Compound (5) is converted to the hydrazide (6) by treatment with hydrazine at temperatures of about 100 °C, or to the amide (7) by reacting with methylchloroaluminum amide in benzene.
- Ref 2 Alternatively, (7) may be produced by treatment of (6) with Raney nickel active catalyst.
- Compounds (6) and (7) may be dealkylated, preferably at 0 °C to room temperature, with a dealkylating agent, such as boron tribromide or sodium thioethoxide, to give compound (7) where R2 ( a ) j_ s -OH, which may then be further converted to compound (9), by realkylating with a base, such as sodium hydride, and an alkylating agent, such as Br(CH2) m R ⁇ , where R ⁇ is the carboxylate or phosphonic diester or nitrile as defined above. Conversion of R2 to the carboxylic acid may be accomplished by treatment with an aqueous base.
- a dealkylating agent such as boron tribromide or sodium thioethoxide
- R2 When R2 is nitrile, conversion to the tetrazole may be achieved by reacting with tri-butyl tin azide or conversion to the carboxamide may be achieved by reacting with basic hydrogen peroxide.
- R When R is the phosphonic diester, conversion to the acid may be achieved by reacting with a dealkylating agent such as trimethylsilyl bromide. The monoester may be accomplished by reacting the diester with an aqueous base.
- R2 and R 3 are both methoxy, selective demethylation can be achieved by treating with sodium ethanethiolate in dimethylformamide at 100 °C.
- R 3a is as defined in Scheme 1, above.
- the aniline (2) is N-alkylated with 2-carbethoxy-6- bromocyclohexanone in dimethyl formamide in the presence of sodium bicarbonate for 8-24 hours at 50 °C.
- Preferred protecting groups include methyl, carbonate, and silyl groups, such as t-butyldimethylsilyl .
- the reaction product (4') is cyclized to (5') using the ZnCl2 in benzene conditions described in Scheme 1(a), above.
- N- alkylation of (5' ) to yield (5) is accomplished by treatment with sodium hydride and the appropriate alkyl halide in dimethylformamide at room temperature for 4-8 hours .
- carbazole (5) is hydrolyzed to the carboxylic acid (10) by treatment with an aqueous base, preferably at room temperature to about 100 °C.
- the intermediate is then converted to an acid chloride utilizing, for example, oxalyl chloride and dimethylformamide, and then further reacted with a lithium salt of (S) or (R) -4-alkyl-2-oxazolidine at a temperature of about -75 °C, to give (11a) and (lib), which are separable by chromatography.
- the diastereomers are converted to the corresponding enantiomeric benzyl esters (12) by brief treatment at temperatures of about 0 °C to room temperature with lithium benzyl oxide.
- esters (12) are then converted to (7) preferably by treatment with methylchloroaluminum amide (Ref 2, above) or, alternately, by hydrogenation using, for example, hydrogen and palladium on carbon, as described above, to make the acid and then reacting with an acyl azide, such as diphenylphosphoryl azide followed by treatment with ammonia.
- an acyl azide such as diphenylphosphoryl azide followed by treatment with ammonia.
- a 1, 2, 3, 4-tetrahydrocarbazole-4-carboxamide or 4- carboxhydrazide (13) is dehydrogenated by refluxing in a solvent such as carbitol in the presence of Pd/C to produce the carbazole-4-carboxamide.
- a solvent such as carbitol
- Pd/C a solvent such as Pd/C
- treatment of (13) with DDQ in an appropriate solvent such as dioxane yields carbozole (14) .
- oxidation as described above may result in de-alkylation of the nitrogen.
- R 3 is substituted at the 8- position with methyl
- oxidation results in dealkylation of the nitrogen which may be realkylated by treatment with sodium hydride and the appropriate alkyl halide as described in Scheme I (a) above to prepare the deired product (14) .
- Benzoic acid derivative (16) where X is preferably chlorine, bromine or iodine and the protecting group is preferably -CH3, are reduced to the corresponding aniline (25) with a reducing agent, such as stannous chloride in the presence of acid under the general conditions of Sakamoto et al, Chem Pharm . Bull . 35 (5), 1823-1828 (1987) .
- a reducing agent such as stannous chloride
- the reactions are conducted at temperatures from about 0 to 100 °C. preferably at ambient temperature, and are substantially complete in about 1 to 48 hours depending on conditions.
- the aniline (25) and dione (15) are condensed under dehydrating conditions, for example, using the general procedure of Iida, et al., (Ref 5), with or without a noninterfering solvent, such as toluene, benzene, or methylene chloride, under dehydrating conditions at a temperature about 10 to 150 °C.
- a noninterfering solvent such as toluene, benzene, or methylene chloride
- the water formed in the process can be removed by distillation, azetropic removal via a Dean-Stark apparatus, or the addition of a drying agent, such as molecular sieves, magnesium sulfate, calcium carbonate, sodium sulfate, and the like.
- the process can be performed with or without a catalytic amount of an acid, such a p-toluenesulfonic acid or methanesulfonic acid.
- an acid such as a p-toluenesulfonic acid or methanesulfonic acid.
- suitable catalysts include hydrochloric acid, phenylsulfonic acid, calcium chloride, and acetic acid.
- solvents examples include tetrahydrofuran, ethyl acetate, methanol, ethanol, 1, 1, 2, 2-tetrachloroethane, chlorobenzene, bromobenzene, xylenes, and carbotetrachloride .
- the condensation of the instant process is preferably carried out neat, at a temperature about 100 to 150 °C with the resultant water removed by distillation via a stream of inert gas, such as, nitrogen or argon. The reaction is substantially complete in about 30 minutes to 24 hours.
- Intermediate (26) may then be readily cyclized in the presence of a palladium catalyst, such as Pd(OAc)2 or Pd(PPh_ 3 )4 and the like, a phosphine, preferably a trialkyl- or triarylphosphine, such as triphenylphosphine, tri-o-tolylphosphine , or tricyclohexylphosphine, and the like, a base, such as, sodium bicarbonate, triethylamine, or diisopropylethylamine, in a noninterfering solvent, such as, acetonitrile, triethylamine, or toluene at a temperature about 25 to 200°C to form (19) .
- a palladium catalyst such as Pd(OAc)2 or Pd(PPh_ 3 )4 and the like
- a phosphine preferably a trialkyl- or triarylphosphine, such as triphenylpho
- solvents examples include tetrahydrofuran, benzene, dimethylsulfoxide, or dimethylformamide .
- Examples of other suitable palladium catalysts include Pd(PPh 3 )Cl 2 , Pd(OCOCF 3 ) 2 , [ (CH 3 CgH 4 ) 3 P] 2 PdCl 2 , [ (CH 3 CH 2 )3P]2PdCl2, [ (C 6 H 1:L ) 3 P] 2 PdCl 2 , and [(C 6 H5) 3 P] 2 PdBr 2 .
- phosphines examples include triisopropylphosphine, triethylphosphine, tricyclopentylphosphine, 1,2- bis (diphenylphosphino) ethane, 1, 3-bis (diphenylphosphino) propane, and 1,4- bis (diphenylphosphino) butane.
- Examples of other suitable bases include tripropyl amine, 2, 2, 6, 6-tetramethylpiperidine, 1,5- diazabicyclo[2.2.2]octane (DABCO) , 1,8- diazabicyclo [5.4.0] undec-7-ene (DBU) , 1,5- diazabicyclo [4.3.0]non-5-ene, (DBN) sodium carbonate, potassium carbonate, and potassium bicarbonate.
- DABCO 1,8- diazabicyclo[2.2.2]octane
- DBU 1,8- diazabicyclo [5.4.0] undec-7-ene
- DBN 1,5- diazabicyclo [4.3.0]non-5-ene
- the cyclization of the instant process is preferably carried out with palladium (II) acetate as catalyst in the presence of either triphenylphosphine, tri-o- tolylphosphine, 1, 3-bis (diphenylphosphino) propane, or tricyclohexylphosphine in acetonitrile as solvent and triethylamine as base at a temperature about 50 to 150 °C.
- the reaction is substantially complete in about 1 hour to 14 days.
- a preferred process for cyclization consists of the reaction of intermediate (26) with a palladacycle catalyst such as trans-di ( ⁇ -acetato) -bis [o- (di-o-tolylphosphino) benzyl] dipalladium (II) in a solvent such as dimethylacetamide (DMAC) at 120-140 °C in the presence of a base such as sodium acetate.
- a palladacycle catalyst such as trans-di ( ⁇ -acetato) -bis [o- (di-o-tolylphosphino) benzyl] dipalladium (II) in a solvent such as dimethylacetamide (DMAC) at 120-140 °C in the presence of a base such as sodium acetate.
- Intermediate (19) may be alkylated with an alkylating agent XCH2R4, where X is halo in the presence of a base to form (20) .
- Suitable bases include potassium carbonate, sodium carbonate, lithium carbonate, cesium carbonate, sodium bicarbonate, potassium bicarbonate, potassium hydroxide, sodium hydroxide, sodium hydride, potassium hydride, lithium hydride, and Triton B (N-benzyltrimethylammonium hydroxide) .
- the reaction may or may not be carried out in the presence of a crown ether. Potassium carbonate and Triton B are preferred.
- the amount of alkylating agent is not critical, however, the reaction is best accomplished using an excess of alkyl halide relative to the starting material .
- a catalytic amount of an iodide such as sodium iodide or lithium iodide may or may not be added to the reaction mixture.
- the reaction is preferably carried out in an organic solvent, such as, acetone, dimethylformamide, dimethylsulfoxide, or acetonitrile .
- organic solvents include tetrahydrofuran, methyl ethyl ketone, and t-butyl methyl ether.
- the reaction is conducted at temperatures from about -10 to 100 °C. preferably at ambient temperature, and is substantially complete in about 1 to 48 hours depending on conditions.
- a phase transfer reagent such as tetrabutylammonium bromide or tetrabutylammonium chloride may be employed.
- Intermediate (20) May by dehydrogenated by oxidation with 2, 3-dichloro-5, 6-dicyano-l, 4-benzoquinone in a noninterfering solvent to form (21) .
- Suitable solvents include methylene chloride, chloroform, carbon tetrachloride, diethyl ether, methyl ethyl ketone, and t-butyl methyl ether. Toluene, benzene, dioxane, and tetrahydrofuran are preferred solvents.
- the reaction is carried out at a temperature about 0 to 120 °C. Temperatures from 50 to 120 °C are preferred.
- the reaction is substantially complete in about 1 to 48 hours depending on conditions .
- Intermediate (21) may be a inated with ammonia in the presence of a noninterfering solvent to form a (22).
- Ammonia may be in the form of ammonia gas or an ammonium salt, such as ammonium hydroxide, ammonium acetate, ammonium trifluoroacetate, ammonium chloride, and the like.
- Suitable solvents include ethanol, methanol, propanol, butanol, tetrahydrofuran, dioxane, and water. A mixture of concentrated aqueous ammonium hydroxide and tetrahydrofuran or methanol is preferred for the instant process.
- the reaction is carried out at a temperature about 20 to 100 °C . Temperatures from 50 to 60 °C are preferred.
- the reaction is substantially complete in about 1 to 48 hours depending on conditions.
- Alkylation of (22) is achieved by treatment with an alkylating agent of the formula XCH2R ⁇ where X is halo and R 70 is -C0 2 R 71 , -SO3R 71 , -P (0) (OR 71 ) 2 ' or _ P(O) (OR 71 )H, where R 71 is an acid protecting group or a prodrug function, in the presence of a base in a noninterfering solvent to form (23) .
- Methyl bromoacetate and t-butyl bromoacetate are the preferred alkylating agents .
- Suitable bases include potassium carbonate, sodium carbonate, lithium carbonate, cesium carbonate, sodium bicarbonate, potassium bicarbonate, potassium hydroxide, sodium hydroxide, sodium hydride, potassium hydride, lithium hydride, and Triton B (N-benzyltrimethylammonium hydroxide) .
- the reaction may or may not be carried out in the presence of a crown ether. Cesium carbonate and Triton B are preferred.
- the amount of alkylating agent is not critical, however, the reaction is best accomplished using an excess of alkyl halide relative to the starting material.
- the reaction is preferably carried out in an organic solvent, such as, acetone, dimethylformamide, dimethylsulfoxide, or acetonitrile .
- Other suitable solvents include tetrahydrofuran, methyl ethyl ketone, and t-butyl methyl ether.
- the reaction is conducted at temperatures from about
- phase transfer reagent such as tetrabutylammonium bromide or tetrabutylammonium chloride may be employed.
- Intermediate (23) may be optionally hydrolyzed with a base or acid to form desired product (24) and optionally salified.
- Hydrolysis of (23) is achieved using a base such as sodium hydroxide, potassium hydroxide, lithium hydroxide, aqueous potassium carbonate, aqueous sodium carbonate, aqueous lithium carbonate, aqueous potassium bicarbonate, aqueous sodium bicarbonate, aqueous lithium bicarbonate, preferably sodium hydroxide and a lower alcohol solvent, such as, methanol, ethanol, isopropanol, and the like.
- a base such as sodium hydroxide, potassium hydroxide, lithium hydroxide, aqueous potassium carbonate, aqueous sodium carbonate, aqueous lithium carbonate, aqueous potassium bicarbonate, aqueous sodium bicarbonate, aqueous lithium bicarbonate, preferably sodium hydroxide and a lower alcohol solvent, such as, methanol, ethanol, isopropanol, and the like.
- the acid protecting group may be removed by organic and inorganic acids, such as trifluoroacetic acid and hydrochloric acid with or without a noninterferring solvent.
- Suitable solvents include methylene chloride, tetrahydrofuran, dioxane, and acetone.
- the t-butyl esters are preferably removed by neat trifluoroacetic acid.
- the reaction is conducted at temperatures from about
- the preferred alkyl halide is methyl iodide.
- the reaction is conducted at temperatures from about 0 to 100 °C . preferably at ambient temperature, and is substantially complete in about 1 to 48 hours depending on conditions.
- the starting material (16) may be prepared by condensation with an alcohol HOPG, where PG is an acid protecting group, in the presence of a dehydrating catalyst such as, dicyclohexylcarbodiimide (DCC) or carbonyl diimidazole.
- a dehydrating catalyst such as, dicyclohexylcarbodiimide (DCC) or carbonyl diimidazole.
- a palladium catalyst such as Pd(Ph3P)4
- a base such as sodium bicarbonate
- Compound (28) is converted to the carbazole product (29) by treatment with a trialkyl or triaryl phosphite or phosphine, such as, triethylphosphite or triphenyl phosphine, according to the general procedure of Cadogan, et al. (Ref 6) .
- a trialkyl or triaryl phosphite or phosphine such as, triethylphosphite or triphenyl phosphine
- Compound (29) is N-alkylated with an appropriately substituted alkyl or aryl halide XC ⁇ R ⁇ in the presence of a base, such as sodium hydride or potassium carbonate, in a noninterfering solvent, such as toluene, dimethylformamide, or dimethylsulfoxide to afford carbazole (30) .
- a base such as sodium hydride or potassium carbonate
- a noninterfering solvent such as toluene, dimethylformamide, or dimethylsulfoxide
- Compound (30) is converted to the corresponding amide (22) by treatment with boron tribromide or sodium thioethoxide, followed by ammonia or an ammonium salt, such as ammonium acetate, in an inert solvent, such as water or alcohol, or with methylchloroaluminum amide in an inert solvent, such as toluene, at a temperature between 0 to 110 °C .
- N-alkylation using for example a base such as sodium hydride and an appropriately substituted alkyl or aryl halide in dimethoxy formamide.
- Compound (22) can be converted to product carbazole product (24) as described previously in Scheme I ⁇ Ig(b) above.
- Conversion to the desired prodrug may be accomplished by techniques known to the skilled artisan, such as for example, by treatment with a primary or secondary halide to make an ester prodrug.
- aprotic solvent preferably tetrahydrofuran
- reduction of (40) is achieved using a reducing agent such as aluminum trihydride.
- a reducing agent such as aluminum trihydride.
- the reaction is conducted under inert atmosphere such as nitrogen, at room temperature.
- Sulfonylation may be achieved with an appropriate acylating agent in the presence of an acid scavenger such as triethyl amine.
- an acid scavenger such as triethyl amine.
- intermediate (50) prepared as described in Scheme I (a) above, is first activated with an activating agent such as carbonyl diimidazole.
- the reaction is preferably run in an aprotic polar or non-polar solvent such as tetrahydrofuran.
- Acylation with the activated intermediate is accomplished by reacting with H2 SOR 1 ⁇ in the presence of a base, preferably diazabicycloundecene .
- PG is an acid protecting group
- R 22 is (C j _-C 6 ) alkoxy (C;L-C 6 ) alkyl is (Cl-Cg) alkoxy
- Starting material (20) is O-alkylated with an alkyl halide or alkenyl halide, using a base such as NaH, in an aprotic polar solvent preferably anhydrous DMF, at ambient temperature under a nitrogen atmosphere.
- a base such as NaH
- an aprotic polar solvent preferably anhydrous DMF
- the process of aromatization from a cyclohexenone functionality to a phenol functionality can be performed by treating the tetrahydrocabazole intermediate (60) with a base such as NaH in the presence of methyl benzenesulfinate in an anhydrous solvent, such as 1,4-dioxane or DMF, to form the ketosulfoxide derivative.
- anhydrous solvent such as 1,4-dioxane or DMF
- Conversion of the ester (61) to the amide (62) can be achieved by treating a solution of (61) in an aprotic polar solvent such as tetrahydrofuran with ammonia gas.
- Phenolic O-alkylation of (62) with, for example, methyl bromoacetate can be carried out in anhydrous DMF at ambient temperature using CS2CO3 or K2CO3 as a base to form (63) .
- Desired product (64) can be derived from the basic hydrolysis of ester (63) using LiOH or NaOH as a base in an H 2 0/CH 3 OH/THF solution at 50 °C for 1-2 hours .
- R 22 is - (Ci-Cg) alkoxy (C ⁇ -Cg) alkenyl
- hydrogenation of the double bond can be performed by treating (63) in THF using Pt ⁇ 2 as a catalysis under a hydrogen atmosphere. Desired product can then be derived as described above in Scheme I ⁇ I(g) from the basic hydrolysis of ester (63) using LiOH or NaOH as a base in an H 2 0/CH 3 OH/THF solution at 50°C for 1-2 hours.
- PG is an acid protecting group.
- X is halo
- R 3 (a) is H, -0(C!-C ) alkyl, halo, - (C ⁇ Cg) alkyl, phenyl, - (C1-C4) alkylphenyl; phenyl substituted with - (Ci-Cg) alkyl, halo or -CF 3 ; -CH 2 OSi (C ⁇
- the alcohol is alkylated to provide the formaldehyde acetal (104) which is cyclized by Lewis acid to produce the pyrano [3, 4-b] indole (105).
- the ester is converted to the amide (106) by methylchloroaluminum amide, and then to the phenol (107) with boron tribromide.
- the phenol is O-alkylated to give (108) which is hydrolyzed to the acid (109) .
- PG is an acid protecting group
- W is halo, alkyl or aryl sulfonyl
- R 3 (a) is H, -CXC1-C4) alkyl, halo, - (C ⁇ Cg) alkyl, phenyl, - (C -C4) alkylphenyl; phenyl substituted with - (Ci-Ce) alkyl, halo or -CF 3 ; -CH 2 OSi (Ci-Cg) alkyl, furyl, thiophenyl, - (C ⁇ -Cg) hydroxyalkyl; or -
- R 9 and R 0 are independently - (C1-C4) alkyl or
- Conversion of the hydroxyl function of (103) to a halide or sulfate functionality is achieved by treatment with triphenylphosphine and CH3X (where X is a halogen) to make compounds of formula (111) where X is a halide; or by treatment with triethylamine and methanesulfonyl chloride to make the sulfonate.
- Displacement with the sodium salt of thiol acetic acid gives (114) which in turn is hydrolyzed by base to the thiol (115) which is reacted with an appropriately substituted aldehyde and acid to produce the thiopyranoindoles (116) .
- Intermediate (111) may also be reacted with sodium azide to give the azido derivative (112) which is reduced by hydrogen catalytically to give the amine which is converted to the carboline (113) with aldehyde and acid.
- Intermediates (113), (110) and (116) may be N-alkylated, using sodium hydride and an appropriately substituted alkylhalide XCH2R 4 .
- Lewis acids convert (126) to the thiopyrano [3, 4-b] indole (127).
- the ester function is converted to amide using methylchloroaluminum amide, the methyl ether cleaved by boron tribromide, and the product phenol O-alkylated with bromoacetic ester to give (130) which is hydrolyzed to (131) .
- X is halo
- R is - (CH 2 )mR 5 .
- Alkylation of the indole-nitrogen can then be achieved by reacting (134) with a suitable alkyl halide in the presence of potassium bis (trimethylsilyl) amide to prepare (135) .
- the ester functionality of (135) is converted to a trimethylsilylketene acetal (136) by treatment with potassium bis (trimethylsilyl) amide and trimethylsilyl chloride.
- Treatment of the ketene acetal (136) with bis (chloromethyl) sulfide and zinc bromide in methylene chloride affords the cyclized product (137).
- Conversion to amide (138) can be accomplished by a einreb reaction with methylchloroaluminum amide.
- R 3 (a) is as described in Scheme I (a) and R is as described in Scheme IV (d) .
- N-alkylation of commercially available 4-methoxy indole (231) under basic conditions using an alkyl halide affords the N-alkyl indole (232) .
- Acylation with a suitable acid chloride provides the glyoxalate ester product (233) which can be reduced with a variety of hydride reducing agents to give intermediate alcohols (234).
- Conversion of the alcohol to a suitable leaving group and displacement with sulfur nucleophiles affords the thioether product (235) .
- Conversion to the acid chloride and spontaneous cyclization affords the thioketone product (236) .
- Cleavage of the ester can be effected under basic conditions to give the correponding acid which upon formation of the acid chloride and reaction with an appropriate amine gives the amide product (237) .
- Cleavage of the methyl ether gives the phenol (238) which can be alkylated under basic conditions using alkyl halides to give the O-alkylated product (239) .
- Cleavage of the ester under basic conditions gives the desired product (240) .
- reduction of the benzylic ketone with a hydride reducing agent and subsequent deoxygenation of the resulting alcohol gives the deoxygenated product (244) .
- Cleavage of the oxyacetic ester proceeds under basic conditions to give the desired oxyacetic acid (242) .
- Substituted haloaniline (145) is condensed with N-benzyl- 3-piperidone to provide enamine (146). Ring closure is effected by treatment of (146) with palladium (II) acetate and the resultant product is converted to (147) by treatment with cyanogen bromide. Alkylation of (147) is accomplished by treatment with the appropriate alkyl bromide using sodium hydride as base. Hydrolysis of this N-alkylated product with basic hydrogen peroxide under standard conditions provides (148). Demethylation of (148) is carried out by treatment with boron tribromide in methylene chloride.
- the resulting phenol (149) is converted by the standard sequence of O-alkylation with methyl bromoacetate in the presence of a base, hydrolysis with hydroxide to provide the intermediate salt which is then protonated in aqueous acid to provide desired ⁇ - carboline (150) .
- X is halo
- R is as defined in Scheme IV (d)
- R3(a) j_s as defined in Scheme 1(a) .
- Ketene acetal (136), prepared as described in Scheme I (d), is reacted with benzyl bis (methoxymethyl) amine in the presence of zinc chloride to give the tetrahydro-beta-carboline (151) .
- amide (152) R 20 is t-butyldimethylsilyl
- ester tetra-n-butylammonium fluoride and alkylated with, for example, ethyl bromoacetate to give ester (153).
- Lithium hydroxide-mediated hydrolysis gives acid (154), which may be hydrogenated over an appropriate catalyst in the presence of hydrochloride acid to give the tetrahydro-beta-carboline as the hydrochloride salt (155) .
- Compound (155) may in turn be aromatized by refluxing in carbitol with palladium on carbon to provide beta-carboline (156).
- X is halo
- R is as defined in Scheme IV (d); and R 3( a ) is as defined in Scheme 1(a).
- indole (133) is successively treated with one equivalent n- butyllithium, carbon dioxide gas, one equivalent of t- butyllithium, and l-dimethylamino-2-nitroethene to give (157) .
- Nitroalkene (157) is reduced with lithium aluminum hydride to amine (158), which is cyclized with methyl glyoxylate (Ref. 9) in refluxing ethanol to give tetrahydrocarboline (159) .
- X is halo
- R3 ( a ) is as defined above Scheme V(e) provides ⁇ -carboline (198) by the indicated sequence of reactions.
- N-alkylation of 2- carboethoxyindole (190) followed by a standard two carbon homologation sequence provides 2- (3-propenoic acid) indoles (194).
- the condensation of aldehyde (193) with malonic acid utilized a mixture of pyridine and piperidine as the base.
- ring closure (196) was effected by treatment with bis (2,2,2- trichloroethyl) azodicarboxylate (BTCEAD) followed by zinc in acetic acid.
- BTCEAD bis (2,2,2- trichloroethyl) azodicarboxylate
- Reverse indoles i.e., compounds where B is carbon and D is nitrogen can be prepared as described in Scheme VIg, below.
- Aryl hydrazines (200) are condensed with substituted prpionaldehydes to form hydrazones which are cyclized to indoles (201) by treatment with phosphorous trichloride at room temperature (Ref 1) .
- the indoles are N-alkylated on reaction with a base such as sodium hydride and an alph-bromo ester to give indoles (202) which are cyclized to tetrahydrocarbazoles (203) by Lewis acids (e.g., aluminum chloride) or by radical initiators (e.g., tributyltin hydride) .
- Lewis acids e.g., aluminum chloride
- radical initiators e.g., tributyltin hydride
- Compounds (203) can be converted to carbazoles by, for example, refluxing in a solvent such as carbitol in the presence of Pd/C.
- X is halo
- R is ;CH 2 ) m R ⁇
- 4-chloroindole (210) is treated with 3 equivalents of t-butyllithium followed by carbon dioxide, 1 equivalent of n-butyllithium, l-dimethylamino-2-nitroethene, and acid to provide carboxylic acid (211), which may be esterified to give (212) .
- Alkylation at the 1-position followed by hydrogenation provides aminoethyl indole (214).
- Cyclization with phosgene to (215) followed by aromatization gives carboline (216) .
- Treatment of (216) with the appropriate Weinreb reagent provides amide (217), which may be alkylated with, for example, ethyl bromoacetate and saponified with sodium hydroxide to give the carboline (218) .
- R3(a) is as defined in Scheme 1(a), X is halo, and
- R is (CH 2 )mR-
- the 1,3-dione structures (228) are either commercially available or readily prepared by known techniques from commercially available starting materials.
- a reducing agent such as SnCl2 in hydrochloric acid in an inert solvent such as ethanol
- the amino group of (228) is protected with an appropriate protecting group, such as the, carboethoxyl, benzyl, CBZ (benzyloxycarbonyl) or BOC (tert-butoxycarbonyl) protecting group, and the like.
- the dione (228) and aniline derivative (220) are condensed according to the general procedure of Chen, et al., (Ref 10) or Yang, et al., (Ref 11), with or without a noninterfering solvent, such as methanol, toluene, or methylene chloride, with or without an acid, such as p-toluenesulfonic acid or trifluoroacetic acid, with or without N-chlorosuccinimide and dimethyl sulfide, to afford the coupled product (221).
- a noninterfering solvent such as methanol, toluene, or methylene chloride
- an acid such as p-toluenesulfonic acid or trifluoroacetic acid
- N-chlorosuccinimide and dimethyl sulfide to afford the coupled product (221).
- Compound (221) is cyclized under basic conditions with a copper (I) salt in an inert solvent according to the general procedure of Yang, et al . , (Reft8).
- the derivative (221) is treated with a base, such as sodium hydride, in an inert solvent, such as HMPA, at a temperature between 0 and 25 °C.
- a copper (I) salt, such as copper (I) iodide is added and the resultant mixture stirred at a temperature between 25 and 150 °C for 1 to 48 hours to afford compound (222) .
- Compound (221) may also be cyclized according to the general procedure of Chen, et al., (Ref 10) .
- the derivative (221) is treated with a base, such as sodium bicarbonate, and a palladium catalyst, such as Pd(PPh_3)4, in an inert solvent, such as HMPA, at a temperature between 25 and 150 °C to afford compound (222) .
- a base such as sodium bicarbonate
- a palladium catalyst such as Pd(PPh_3)4
- an inert solvent such as HMPA
- intermediate (171) is treated with a transition metal catalyst, such as Pd (OAc) 2 (O-tol) 3P in the presence of a base such as triethylamine using a cosolvent of DMF/acetonitrile to prepare (222) .
- a transition metal catalyst such as Pd (OAc) 2 (O-tol) 3P
- OAc Pd
- O-tol O-tol
- a base such as triethylamine
- Compound (222) is N-alkylated with an appropriately substituted benzyl halide in the presence of a base, such as sodium hydride or potassium carbonate, in a noninterfering solvent, such as dimethylformamide or dimethylsulfoxide to afford ketone (223) .
- a base such as sodium hydride or potassium carbonate
- a noninterfering solvent such as dimethylformamide or dimethylsulfoxide to afford ketone (223) .
- one pot process (222) is aromatized by treatment with acetic acid and palladium on carbon in a noninterfering solvent, such as carbitol or cymene, followed by treatment with hydrogen gas and palladium on carbon to cleave the nitrogen protecting group and produce the phenolic derivative (224).
- the ester (224) is converted to the corresponding amide (225) under standard conditions with ammonia (preferably) or an ammonium salt, such as ammonium acetate, in an inert solvent, such as water or alcohol, preferably methanol, or with MeClAlNH2 in an inert solvent, such as toluene, at a temperature between 0 to 110 °C.
- an inert solvent such as water or alcohol, preferably methanol
- MeClAlNH2 in an inert solvent, such as toluene
- Alkylation of the phenolic oxygen of compound 38 with an appropriate haloester, such as methyl bromoacetate, in the presence of a base, such as cesium carbonate, potassium or sodium carbonate, in an inert solvent, such as dimethylformamide or dimethylsulfoxide affords the ester-amide (226) .
- Other haloesters such as ethyl bromoacetate, propyl bromoa
- compositions and method of the invention may be prepared and practiced using pyrazole sPI -2 inhibitors, which are described (together with the method of making) in US Patent Application No. 08/984261, filed December 3, 1997, the entire disclosure of which is incorporated herein by reference.
- Suitable pyrazole compounds are represented by formula (Ih)
- R! is phenyl, isoquinolin-3-yl, pyrazinyl, pyridin- 2-yl, pyridin-2-yl substituted at the 4- position with - (C]_-C4 ) alkyl, (Ci-C/j) alkoxyl, - CN or -(CH 2 ) n CONH 2 where n is 0-2;
- R ⁇ is phenyl; phenyl substituted with 1 to 3 substituents selected from the group consisting of - (C1-C4) alkyl, -CN, halo, -NO2, C0 2 (C ⁇ C4) alkyl and -CF3; naphthyl; thiophene or thiophene substituted with 1 to 3 halo groups;
- R 3 is hydrogen; phenyl; phenyl (C2-Cg) alkenyl; pyridyl; naphthyl; quinolinyl; (C1-C4) al
- R ⁇ is cyclopentyl, cyclohexenyl, or phenyl substituted with halo or (C1-C4) alkoxy; or phenyl substituted with two substituents which, when taken together with the phenyl ring to which they are attached form a methylenedioxy ring; and m is 1 to 5; pharmaceutically acceptable salt thereof.
- Particularly preferred are pyrazole type sPIA.2 inhibitors as follows:
- Ri is pyridine-2-yl or pyridine-2-yl substituted at the 4-position with - (C ⁇ -C4) alkyl, (C]_- C4) alkoxy, -CN or -(CH 2 ) n CONH 2 where n is 0-2;
- R2 is phenyl substituted with 1 to 3 substituents selected from the group consisting of - (C_- C4) alkyl, -CN, halo, -N0 2 , C0 2 (C1-C4) alkyl and -CF 3 ; and
- R3 is phenyl; phenyl (C2-C5) alkenyl; phenyl substituted with 1 or 2 substituents selected from the group consisting of - (C1-C4 ) alkyl, -CN, -CONH2, -NO2, - CF3, halo, (C1-C4) alkoxy, CO2 (C1-C4) alky
- pyrazole type sPIA? inhibitors useful in the method of the invention are as follows: Compounds selected from the group consisting of 3- (2- chloro-6-methylphenylsulfonylamino) -4- (2- (4- acetamido) pyridyl) -5- (3- (4-fluorophenoxy) benzylthio) - (IH) -pyrazole and 3- (2, 6-dichlorophenylsulfonylamino) -4- (2- (4-acetamido) pyridyl) -5- (3- (4- fluorophenoxy) benzylthio) - ( IH) -pyrazole .
- the pyrazole compounds of formula Ih are prepared as described in Scheme Ih below.
- L is a leaving group
- an acetonitrile compound (1) is deprotonated by treatment with an excess of a strong base, such as sodium hydride, preferably under an inert gas, such as nitrogen.
- a strong base such as sodium hydride
- the deprotonated intermediate is treated with carbon disulfide and then alkylated twice with an appropriately substituted alkyl halide (2) of the formula R 3 (CH2) m L, where L is a leaving group, preferably bromine, and R 3 and m are as defined above, to prepare intermediate compound (3) .
- the reaction is conducted at ambient temperatures and is substantially complete in 1 to 24 hours.
- Cyclization to form the amino substituted pyrazole (4) is achieved by reacting intermediate (3) with hydrazine at room temperature for from about 1 to 24 hours .
- Selective sulfonylation of the amino group of intermediate (4) can be accomplished by treatment with a sulfonyl chloride (5) of the formula R2s ⁇ 2Cl, where R ⁇ is as defined above, to prepare product (6).
- the reaction is preferably conducted in a solvent, such as pyridine, at ambient temperature for a period of time of from 1 to 24 hours.
- Preparation of 2, 6-dimethylphenylsulfonyl chloride can be accomplished as described in J. Org.
- Phenyl glyoxamide sPIJV? inhibitors are described in U.S. Patent Application Serial No. 08/979446, filed November 24, 1997 (titled, Phenyl Glyoxamides as SPLA2 Inhibitors) , the entire disclosure of which is incorporated herein by reference.
- compositions and method of the invention is for treatment of a mammal, including a human, afflicted with sepsis may be practiced using phenyl glyoxamide type sPIA.2 inhibitors described as follows:
- X is -0- or -(CH2) m -/ where m is 0 or 1; Y is -C0 2 -, -PO3-, -SO3-; R is independently -H or - (C1-C ) alkyl; Ri and R2 are each independently -H, halo or -(Ci-C 4 ) alkyl; R 3 and R 4 are each independently -H, - (C1-C4) alkyl, (C1-C4) alkoxy, (C1-C4) alkylthio, halo, phenyl or phenyl substituted with halo; n is 1-8 ; and p is 1 when Y is -CO2- or -SO3- and 1 or 2 when Y is -PO3-; or a pharmaceutically acceptable salt thereof.
- Phenyl glyoxylamide compounds useful in the compositons and method of the invention are prepared as follows:
- R * is - (C1-C4 ) alkyl
- compound (2) is internally cyclized to form compound (3).
- the reaction is preferably conducted at temperatures from about 0 °C to room temperature and allowed to proceed for about 24 hours.
- Aminolysis of (3) to amide (4) can be achieved by treatment with concentrated ammonium hydroxide.
- Alkylation of the hydroxyl of compound (4) can be readily achieved by treatment with an appropriate alkylating agent, such as Br(CH2) n Y, where Y is -CO2R, - PO3R2 or SO3R and R is - (C1-C4 ) alkyl, to form intermediate (5) .
- an appropriate alkylating agent such as Br(CH2) n Y, where Y is -CO2R, - PO3R2 or SO3R and R is - (C1-C4 ) alkyl.
- the reaction is preferably conducted in an aprotic polar solvent, such as dimethyl formamide, in the presence of potassium carbonate and a suitable catalyst, such as potassium iodide.
- Conversion of (5) to the carboxylic or sulfonic acid or acid salt (6) may be achieved by treatment with an appropriate base, such as aqueous sodium hydroxide, in a polar protic solvent, such as methanol.
- a base such as aqueous sodium hydroxide
- a polar protic solvent such as methanol.
- n 2
- a bromoacetal must be employed as an alkylating agent to achieve the carboxylic acid (6).
- the alkylated moiety (5) is then converted to the acid (6) by oxidizing with sodium dichromatate in aqueous conditions.
- conversion to the acid (6) is preferably conducted in an alkyl halide solvent, such as methylene chloride, using a dealkylating agent, such as trimethylsilyl bromide, and an excess of potassium carbonate, followed by treatment with methanol.
- alkyl halide solvent such as methylene chloride
- dealkylating agent such as trimethylsilyl bromide
- R' is as defined in Scheme Ii.
- An appropriately R ⁇ , R ⁇ substituted phenol (7) is converted to lactone (8) following the procedures described in Scheme Ii, steps (a-b) above.
- Conversion to the intermediate (9) is accomplished by reacting (2a) with an aqueous acid, such as hydrochloric acid which affords removal of aluminum chloride from the reaction.
- Acid (9) is converted to the corresponding acid chloride using oxalyl chloride with dimethyl formamide as a catalyst.
- the acid chloride is recyclized to the lactone (10) on removal of the solvent, preferably under vacuum.
- the lactone (10) is converted to the glyoxamide (11) by treatment with an excess of ammonia as described in Schemetl, step (c) , above.
- Alkylation of (11) to prepare the ester (12), followed by conversion to the acid is accomplished according to the procedure outlined in Scheme I, steps (d) and (e) .
- conversion of (10) to (12) can be accomplished in a one-pot procedure by treating the lactone (10) with sodium amide in an aprotic polar solvent, such as dimethylformamide, preferably at temperatures of from about 0 °C to 20 °C, followed by alkylation with an appropriate alkyl halide.
- an aprotic polar solvent such as dimethylformamide
- R! is hydrogen, (C -C4) alkyl, phenyl or phenyl substituted with one or two substituents selected from the group consisting of - (C ⁇ -C4) alkyl, (C -C4 ) alkoxy, phenyl (C -C4) alkyl, (C -C4 ) alkylthio, halo and phenyl;
- R 2 is hydrogen, - (C -C4) alkyl, halo, (C -C4) alkoxy or (C ⁇ -C 4 ) alkylthio;
- R 5 is -NH 2 or -NHNH 2 ;
- X is R 8 (Ci-Ce) alkyl; R 8 (C 2 -C 6 ) alkenyl or phenyl substituted at the ortho position with R 8 where R 8 is
- R 10 is -CO2R 11 , -P0 3 (R 11 ) 2 , -P0 4 (R ) or -SO3R 11 , R 11 and n is 1 to 4 as defined above, and additionally substituted with one or two substituents selected from the group consisting of hydrogen, - (C1-C4) alkyl, halo, (C1-C4) alkoxy, or two substituents which, when taken together with the phenyl ring to which they are attached, form a naphthyl group; and
- R 9 is hydrogen or methyl or ethyl; or a pharmaceutically acceptable salt thereof.
- Preferred pyrrole SPLA2 inhibitors useful in the method of the invention are compounds of formula Ij wherein;
- R! is phenyl
- R2 is methyl or ethyl
- R 5 is -NH 2 ;
- R ⁇ and R 7 are each hydrogen;
- X is R 8 (C]_-Cg) alkyl or phenyl substituted at the ortho position with R 8 where
- R 8 is -CO2R 11 ;
- R9 is methyl or ethyl.
- a specific suitable pyrrole SPLA2 inhibitors useful in the method of the invention is 2- [l-benzyl-2, 5-dimethyl- 4- (2-carboxyphenylmethyl) pyrrol-3-yl] glyoxamide .
- the pyrrole compounds are prepared as follows:
- pyrrole (2) An appropriately substituted gamma-diketone (1) is reacted with an alkylamine of the formula NHCH2R 1 to give pyrrole (2) .
- a suitable Lewis-acid catalyst such as stannic chloride, aluminum chloride, or titanium tetrachloride (preferably stannic chloride)
- pyrrole (2) is ring alkylated with an alkyl or arylalkyl halide compound of the formula ZCR ⁇ R 7 X where Z is a suitable halogen and R 8 of X is a protected acid or ester.
- the reaction is preferably conducted in a halogenated hydrocarbon solvent, such as dichloromethane, at ambient temperatures and allowed to proceed for from about 1 to about 24 hours.
- Intermediate (3) is converted to (4) by sequential treatment with oxalyl chloride followed by ammonia.
- Selective reduction of (4) is accomplished in a two step process.
- a hydride reduction using, for example, sodium borohydride the hydroxy intermediate (5) is prepared which can be further reduced using either catalytic or hydride reduction (preferably palladium on carbon) to prepare (6).
- Deprotection of R 8 to the acid may be readily achieved by conventional techniques. For example, when an alkyl ester is used as a protecting group, deprotection can be accomplished by treatment with a base, such as sodium hydroxide.
- Naphthyl glyoxamide SPLA2 inhibitors and methods of making them are described in U.S. Patent Application Serial No. 09/091079, filed December 9, 1966 (titled, “Naphthyl Glyoxamides as sPLA2 Inhibitors”) , the entire disclosure of which is incorporated herein by reference.
- compositions and method of the invention for treatment of a mammal, including a human, afflicted with sepsis may be practiced with a naphthyl glyoxamide SPLA2 inhibitors described as follows:
- R! and R2 are each independently hydrogen or a non- interfering substituent with the proviso that at least one of R! or R 2 must be hydrogen;
- X is -CH2 ⁇ or -0-; and Y is (CH2) n Z where n is a number from 1-3 and Z is an acid group selected from the group consisting of CO2H, -SO 3 H or -PO(OH) 2 -
- a specific suitable naphthyl glyoxamide SPLA2 inhibitors useful in the method of the invention has the following structural formula:
- the naphthyl glyoxamide compounds are prepared as follows:
- the 1, 5-dihydroxy napthalene starting material (1) is dispersed in water and then treated with 2 equivalents of potassium hydroxide.
- the resultant solution is chilled in an ice bath and one equivalent of a strong mineral acid, such as hydrochloric acid, is added to produce the potassium saltt(2).
- Alkylation of the radical (2) can then be accomplished by treatment with a methylating agent such as dimethyl sulfate to prepare the ether (3) .
- Preparation of (4) is achieved by reacting the ether (3) with an appropriately substituted phenol in an Ullman-type reaction using potassium carbonate and cupric oxide .
- De-methylation of (4) can be accomplished by treating (4) with a 40% HBr/HOAC solution at reflux in a protic polar solvent such as acetic acid, to prepare (5) . Reflux of compound (5) with oxalyl chloride and
- Alkylation and hydrolysis of the cyclized compound (7) can be achieved by reacting (7) with an alkaliamide base, such as sodium amide, followed by treatment with an alkylating agent, such as methyl bromoacetate, using potassium iodide as a catalyst.
- an alkaliamide base such as sodium amide
- an alkylating agent such as methyl bromoacetate
- the acid (9) is achieved by treating the ester (8) with an alkali base, such as aqueous sodium hydroxide, followed by treatment with a dilute aqueous mineral acid such as hydrochloric acid.
- an organic solvent such as ethyl acetate.
- the final product (9) can be purified using standard recrystallization procedures in a suitable organic solvent such as methylene chloride/hexane.
- a Grignard reagent is prepared.
- the phenyl Grignard is then reacted with 4-methoxy naphthylnitrile and the resultant compound is hydrolyzed with a dilute acid such as hydrochloric acid to form the benzoyl naphthylene compound (la) .
- Reduction of (la) to form compound (2a) is accomplished by treatment with a reducing agent such as sodium borohydride.
- a reducing agent such as sodium borohydride.
- the reaction is conducted in a solvent-catalyst such as trifluoroacetic acid and initiated in an ice bath which is allowed to warm to room temperature as the reaction proceeds.
- the desired naphthyl glyoxamide may then be prepared from (2a) according to the procedure in Scheme I starting with the chloromethylation step.
- Phenyl acetamide SPLA2 inhibitors and methods of making them are disclosed in US Patent Application 08/976858, filed November 24 1997 (titled, "Phenyl Acetamides as SPLA2 Inhibitors”) , the entire disclosure of which is incorporated herein by reference.
- compositions and method of the invention for treatment of a mammal, including a human, afflicted with sepsis may be practiced using a phenyl acetamide sPLA? inhibitor represented by formula (II) as follows:
- R 1 is -H or -0(CH 2 ) n Z;
- R 2 is -H or -OH;
- R 3 and R ⁇ are each independently -H, halo or - (C1-C4 ) alkyl
- R ⁇ and R ⁇ is -YR 7 and the other is -H, where Y is -0- or -CH2- and R 7 is phenyl or phenyl substituted with one or two substituents selected from the group consisting of halo, - (C -C4) alkyl, (C ⁇ -C4 ) alkoxy, phenyl or phenyl substituted with one or two halo groups;
- Z is -CO2R. -PO3R2 or -SO3R where R is -H or - (C1-C4) alkyl; and n is 1-8; or a pharmaceutically acceptable salt, racemate or optical isomer thereof; provided that when R ⁇ is YR 7 , R ⁇ is hydrogen; and when Ri, R 2 , R 3 , R 4 and R ⁇ are hydrogen and R ⁇ is YR 7 where Y is -0-, R 7 cannot be phenyl; and when R 1 , R 2 , R 3 , R 4 and R 6 are hydrogen, R 5 is YR 7 where Y is CH2, R 7 cannot be phenyl substituted with one methoxy or two chloro groups .
- Preferred suitable phenyl acetamide SPLA2 inhibitors useful in the composition and method of the invention are as follows:
- R 2 , R 3 and R 4 is H, Y is oxygen or CH2, R 7 is phenyl or phenyl substituted at the meta position with one or two substituents selected from halo, - (C -C4) alkyl, (C1-C ) alkoxy, phenyl or phenyl substituted with halo and n is 4-5.
- a specific suitable phenyl acetamide SP A2 inhibitor useful in the method of the invention is 2- (4- carboxybutoxy) -4- ( 3-phenylphenoxy) phenylacetamide .
- phenyl acetamide inhibitors are prepared as follows:
- X is halo
- R 8 and R ⁇ are each independently -H, halo, - (C1-C4) alkyl, (C1-C4) alkoxy, phenyl or phenyl substituted with one or two halo groups; and PG is a carboxyl protecting group
- An appropriately substituted carboxy-protected halophenyl compound (1), where the halogen is preferably bromine, is coupled with an appropriately substituted phenol (2) under modified Ullmann conditions, by refluxing with potassium carbonate and cupric oxide in an aprotic polar solvent, such as pyridine, under an inert gas such as argon. The reaction is substantially complete in 1-24 hours.
- Intermediate (3) is deprotected by treatment with a base such as aqueous potassium hydroxide using a solvent, such as diethylene glycol.
- a base such as aqueous potassium hydroxide
- a solvent such as diethylene glycol.
- amide (5) Conversion to the amide (5) can then be readily achieved by treatment first with oxalyl chloride in an alkyl halide solvent, such as methylene chloride, using dimethylformamide as a catalyst, at temperatures of from about 0 °C to ambient temperature, followed by treatment with an excess of ammonia gas, again in an alkyl halide solvent .
- alkyl halide solvent such as methylene chloride
- dimethylformamide as a catalyst
- compounds of formula I can be prepared according to the procedure of Scheme I (b) , below.
- the substituted phenol (2) is coupled with an appropriately substituted benzyl halide (6) as described in Scheme 1(a), step a, above, to prepare (7).
- Halogenation of (7) is achieved using a halogenating agent, such as N-bromosuccinimide and a catalyst, such as
- R 8 and R ⁇ are as shown in Scheme I (a) , X is halo.
- X is a halogen .
- diphenyl compound (11) is treated with paraformaldehyde and a halogenating agent, such as 40% hydrogen bromide in acetic acid.
- a halogenating agent such as 40% hydrogen bromide in acetic acid.
- Two positional isomers result with the X substituent at either the meta or para position of the phenyl ring to which it is attached.
- Displacement of the halogen to prepare the nitrile isomers (13) can be achieved by treatment of (12) with sodium cyanide in dimethylformamide as described in Schemetl (b) , step (c) , above.
- the isomers can then be readily separated by conventional chromatographic techniques and each isomer may be converted to its respective amide (14) by treatment with hydrogen peroxide and potassium carbonate in an aprotic polar solvent, such as dimethylsulfoxide.
- Intermediate (16) is prepared by refluxing an appropriately substituted diphenyl compound (15) with oxalyl chloride in an alkyl halide solvent, such as chloroform.
- an alkyl halide solvent such as chloroform.
- the reaction is catalyzed with 4, 4-N-dimethylaminopyridine.
- Cyclization to the lactone (17) can be achieved under Friedel-Crafts conditions using a suitable metal halide, such as aluminum chloride, as the catalyst.
- Conversion to the glyoxamide (18) can be achieved by aminolysis of the lactone ring using concentrated ammonium hydroxide .
- Alkylation of the hydroxy group to prepare the desired alkyl-linked ester (19) occurs by treatment of
- (19) is achieved by treatment with a suitable reducing agent, such as sodium borohydride in methanol, preferably at temperatures of from 0°-20 °C, to prepare the intermediate (20) .
- a suitable reducing agent such as sodium borohydride in methanol
- the desired acid or acid salt (21) can be accomplished by treatment with a suitable base, such as sodium hydroxide.
- composition and method of the invention for treatment of a mammal, including a human, afflicted with sepsis is practiced using a naphthyl acetamide SPLA2 inhibitor represented by formula (Im)as follows:
- R and R 2 are each independently hydrogen or a non- interfering substituent with the proviso that at least one of R! and R 2 must be hydrogen;
- R 3 is hydrogen, -0(CH 2 ) n Y, - ⁇ 0 n m Y where n is from 2 to 4 and Y is -CO2H, -PO3H2 or SO3H; and X is -0- or -CH2-.
- an appropriately substituted l-bromo-4-methylnapthalene and an appropriately substituted phenol are dissolved in an aprotic polar solvent such as pyridine.
- the mixture is treated with an excess of potassium carbonate and an excess of copper-bronze and refluxed under a nitrogen blanket to produce (1).
- Bromination of compound (1) to produce (2) is accomplished by refluxing (1) with a brominating agent, such as N-bromosuccinamide, in a non-polar alkyl halide solvent, such as carbon tetrachloride, using 2,2- azobisisobutyronitrile as a catalyst.
- Treatment of (2) with sodium cyanide produces (3) .
- This reaction is best conducted in an aprotic polar solvent, such as dimethyl sulfoxide (DMSO) , while heating to a temperature of about 60 °C.
- DMSO dimethyl sulfoxide
- Hydrolysis of the cyano compound (3) to produce the acid (4) is accomplished in two steps.
- a polar protic solvent such as diethylene glycol as a cosolvent
- the cyano compound (3) is treated with an alkali metal base, such as potassium hydroxide, and the mixture is heated to about 90-95 °C.
- the resultant product is then reacted with a strong mineral acid such as hydrochloric acid.
- Conversion of (4) to the desired naphthyl acetamide compound (5) is accomplished by another two-step process.
- the acid (4) is dissolved in an alkyl halide solvent such as methylene chloride.
- the acid/alkyl halide solution is chilled in an ice bath then treated with oxalyl chloride, using dimethylformamide (DMF) as a catalyst, to produce the acid chloride.
- the solution is allowed to warm to room temperature and then treated with ammonia gas at room temperature to produce (5) .
- the desired product (5) can be purified using standard recrystallization procedures in a suitable organic solvent, preferably methylene chloride/hexane .
- Compound (la) is prepared by a grignard reaction.
- the Grignard reagent starting material is prepared by reacting an appropriately substituted phenyl bromide with magnesium and ether.
- the reagent is then reacted with an appropriately substituted naphthyl nitrile and the resultant compound is hydrolyzed with an aqueous acid such as hydrochloric acid to form the benzoyl napthyl (la) .
- Reduction of (la) is accomplished by treatment with a molar excess of a reducing agent such as sodium borohydride.
- a reducing agent such as sodium borohydride.
- the reaction is initiated in an ice bath using a solvent-catalyst such as trifluoroacetic acid and then allowed to warm to room temperature as the reduction proceeds .
- Chloromethylation of (2a) is achieved by treatment with an excess of formaldehyde and concentrated hydrochloric acid in a polar acidic solvent such as an acetic/phosphoric acid mixture.
- the reaction is best conducted at a temperature of about 90 °C.
- the nitrile 4 (a) is prepared by a nucleophilic displacement of the chloride compound (3a) ith cyanide.
- the reaction is conducted by refluxing (3a) with a slight molar excess in an aprotic polar solvent of sodium cyanide such as dimethylformamide (DMF) for about five hours, then allowing the reaction to continues while it cools to room temperature.
- an aprotic polar solvent of sodium cyanide such as dimethylformamide (DMF)
- the desired naphthylamide (5a) is then prepared from the nitrile (4a) in a three-step process.
- a solution of nitrile (4a) dissolved in an aprotic polar solvent such as DMSO, potassium carbonate is added to make the nitrile solution slightly basic.
- Hydrolysis of the nitrile is then achieved by treatment with an aqueous hydrogen peroxide solution. Crystallization of the naphthyl acetamide may be accomplished by adding water to the peroxide solution.
- R 3 is other than hydrogen
- a protected phenol such as a methoxy group
- the process is conducted, as described above, to prepare compounds (1) - (3) .
- Acid hydrolysis of the cyano group (3) and deprotection of the protected phenol can be accomplished by treating (3) with a 40% hydrogen bromide solution in acetic acid.
- the deprotected phenol can then be reacted to prepare the appropriate substituent at the 6-position of the napthyl ring.
- preparation of compounds where R 3 is -0(CH2) n COOH can be achieved by alkyalting the phenol with an appropriate alkyl halide followed by conversion to the acid by treatment with a base such as aqueous sodium hydroxide followed by dilute hydrochloric acid.
- substituted phenol and phenyl bromide starting materials are either commercially available or can be readily prepared by known techniques from commercially available starting materials. All other reactants and reagents used to prepare the compounds of the present invention are commercially available. Most Preferred SPLA2 inhibitors: lH-indole-3-glyoxylamide SPLA2 inhibitors and carbazole sPLA2 inhibitors (as described, supra.) are most preferred for the compositions and method this invention.
- Recombinant human Protein C was produced in Human Kidney 293 cells by techniques well known to the skilled artisan such as those set forth in Yan, U.S. Patent No. 4,981,952, the entire disclosure of which is herein incorporated by reference.
- the gene encoding human Protein C is disclosed and claimed in Bang et al., U.S. Patent No. 4,775,624, the entire disclosure of which is incorporated herein by reference.
- the plasmid used to express human Protein C in 293 cells was plasmid pLPC which is disclosed in Bang et al./ U.S. Patent No. 4,992,373, the entire disclosure of which is incorporated herein by reference.
- the construction of plasmid pLPC is also described in European Patent Publication No.
- the human Protein C was separated from the culture fluid by an adaptation of the techniques of Yan, U.S.
- Patent No. 4,981,952 the entire disclosure of which is herein incorporated by reference.
- the clarified medium was made 4 mM in EDTA before it was absorbed to an anion exchange resin (Fast-Flow Q, Pharmacia) .
- an anion exchange resin Frazier-Flow Q, Pharmacia
- the eluted protein was greater than 95% pure after elution as judged by SDS-polyacrylamide gel electrophoresis .
- Bovine thrombin was coupled to Activated CH-Sepharose 4B (Pharmacia) in the presence of 50 mM HEPES, pH 7.5 at 4 °C. The coupling reaction was done on resin already packed into a column using approximately 5000 units thrombin/ml resin. The thrombin solution was circulated through the column for approximately 3 hours before adding MEA to a concentration of 0.6 ml/1 of circulating solution. The MEA-containing solution was circulated for an additional 10-12 hours to assure complete blockage of the unreacted amines on the resin.
- the thrombin-coupled resin was washed with 10 column volumes of 1 M NaCl, 20 mM Tris, pH 6.5 to remove all non- specifically bound protein, and was used in activation reactions after equilibrating in activation buffer.
- Purified rHPC was made 5 mM in EDTA (to chelate any residual calcium) and diluted to a concentration of 2 mg/ml with 20 mM Tris, pH 7.4 or 20 mM Tris-acetate, pH 6.5. This material was passed through a thrombin column equilibrated at 37°C with 50 mM NaCl and either 20 mM Tris pH 7.4 or 20 mM Tris-acetate pH 6.5. The flow rate was adjusted to allow for approximately 20 min. of contact time between the rHPC and thrombin resin. The effluent was collected and immediately assayed for amidolytic activity.
- the material did not have a specific activity (amidolytic) comparable to an established standard of aPC, it was recycled over the thrombin column to activate the rHPC to completion. This was followed by 1:1 dilution of the material with 20 mM buffer as above, with a pH of either 7.4 or 6.5 to keep the aPC at lower concentrations while it awaited the next processing step.
- Removal of leached thrombin from the aPC material was accomplished by binding the aPC to an anion exchange resin (Fast Flow Q, Pharmacia) equilibrated in activation buffer (either 20 mM Tris, pH 7.4 or 20 mM Tris-acetate, pH 6.5) with 150 mM NaCl. Thrombin does not interact with the anion exchange resin under these conditions, but passes through the column into the sample application effluent.
- activation buffer either 20 mM Tris, pH 7.4 or 20 mM Tris-acetate, pH 6.5
- a 2-6 column volume wash with 20 mM equilibration buffer is done before eluting the bound aPC with a step elution using 0.4 M NaCl in either 5 mM Tris-acetate, pH 6.5 or 20 mM Tris, pH 7.4. Higher volume washes of the column facilitated more complete removal of the dodecapeptide.
- the material eluted from this column was stored either in a frozen solution (-20 °C) or as a lyophilized powder.
- the anticoagulant activity of activated Protein C was determined by measuring the prolongation of the clotting time in the activated partial thromboplastin time (APTT) clotting assay.
- a standard curve was prepared in dilution buffer (1 mg/ml radioimmunoassay grade BSA, 20 mM Tris, pH 7.4, 150 mM NaCl, 0.02% NaN3) ranging in Protein C concentration from 125-1000 ng/ml, while samples were prepared at several dilutions in this concentration range.
- dilution buffer 1 mg/ml radioimmunoassay grade BSA, 20 mM Tris, pH 7.4, 150 mM NaCl, 0.02% NaN3
- compositions of the invention comprises as essential ingredients:
- composition (a) an SPLA2 inhibitor, and (b) Activated Protein C.
- the composition must be in a form which; (i) is itself in a liquid form suitable for administration by injection or, (ii) is in a form which is easily dissolved or suspended, or dispersed or emulsified into a liquid medium which is then suitable for administration by injection.
- the pharmaceutical composition of the invention is prepared in injectable form it is a composition comprising as ingredients:
- the essential ingredients (a) an sPLA? inhibitor and (b) Activated Protein C are present in the formulation in such proportion that a dose of the formulation provides a pharmaceutically effective amount of each ingredient to the patient being treated.
- the weight ratio of sPLA 2 to activated protein C is from 1000:1 to 10000000:1 and preferably from 100:1 to 1000000:1.
- An effective dosage of activated Protein C in human patients is considered to be between O.land 100 ⁇ g/kg/day. Preferably, the dosage is between 1 and 50 ⁇ g/kg/day. A most preferred dosage of activated Protein C is between 1 and 25 ⁇ g/kg/day.
- An effective dosage of an SPLA2 inhibitor in human patients is considered to be between 0.1 and 2000 mg/kg/day. Preferably, the dosage is between 1 and 100 mg/kg/day.
- Activated Protein C are co-present and may be mixed in any homogeneous or non-homogeneous manner or adjacently or otherwise promixately placed together in an individual dosage unit suitable for practicing the method of the invention.
- the dosage unit of the SPLA2 inhibitor will usually be admixed with a carrier or inert ingredients, or diluted by a carrier, or enclosed within a carrier which may be in the form of a ampoule, capsule, time release dosing device, sachet, paper or other container.
- the carrier when it serves as a diluent, it may be a solid, semi-solid, paste, or liquid material which acts as a vehicle, or can be in the form of tablets, pills, powders, lozenges, elixirs, suspensions, emulsions, solutions, syrups, aerosols (as a solid or in a liquid medium) , or ointment, containing, for example, up to 10% by weight of the active compound.
- the dosage unit of the Activated Protein C will usually be admixed with a liquid carrier and/or other inert ingredients or enclosed within a carrier which may be in the form of a ampoule, bottle, time release dosing device or other container.
- a carrier which may be in the form of a ampoule, bottle, time release dosing device or other container.
- the carrier serves as a diluent, it may be a liquid material which acts as a vehicle, or can be in the form of solutions containing, for example, up to 10% by weight of the active compound.
- the Activated Protein C ingredient should be in an injectable liquid form immediately prior to use, however, it may be made in a storable form which is not a liquid but is easily convertable to a liquid (e.g., paste, liquid adsorbed on a solid, etc.)
- the carrier may be an injectable liquid medium such as is well known in the art.
- the injectable liquid must be such that permits parenteral administration, that is, introduction of substances to a mammal being treated by intervenous, subcuataneous, intramuscular, or intramedullary injection. Intravenous injection is most preferred as a means of administration.
- the Active ingredient can be dissolved or suspended in a pharmaceutically acceptable carrier, such as sterile water, sterile water containing saline and/or sugars and/or suspension agents or a mixture of both.
- a pharmaceutically acceptable carrier such as sterile water, sterile water containing saline and/or sugars and/or suspension agents or a mixture of both.
- the compounds of the invention may be dissolved in at a concentration of 2 mg/ml in a 4% dextrose/0.5% Na citrate aqueous solution.
- the SPLA2 inhibitor when separate from the
- Activated Protein C may be in the form of powder, tablet or capsule.
- a solid carrier can be one or more substances which may also act as flavoring agents, lubricants, solubilizers, suspending agents, binders, tablet disintegrating agents and encapsulating material. Suitable solid carriers are magnesium carbonate, magnesium stearate, talc, sugar lactose, pectin, dextrin, starch, gelatin, tragacanth, methyl cellulose, sodium carboxymethyl cellulose, low melting waxes, and cocoa butter.
- compositions are useful (as stated) for either the SPLA2 inhibitor alone, or the Active Ingredient which is a combination of (a) SPLA2 inhibitor and (b) Activated Protein .
- the SPLA2 inhibitor typically, from 10 mg to 1000 mg of the SPLA2 inhibitor is used in a unit dose of the formulation.
- Hard gelatin capsules are prepared using the following ingredients:
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Communicable Diseases (AREA)
- Oncology (AREA)
- Epidemiology (AREA)
- Immunology (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Gastroenterology & Hepatology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Indole Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000589136A JP2002542148A (en) | 1998-12-21 | 1999-12-20 | Combination therapy for the treatment of sepsis |
AU19408/00A AU1940800A (en) | 1998-12-21 | 1999-12-20 | Combination therapy for the treatment of sepsis |
CA002358492A CA2358492A1 (en) | 1998-12-21 | 1999-12-20 | Combination therapy for the treatment of sepsis |
EP99963109A EP1214041A2 (en) | 1998-12-21 | 1999-12-20 | Combination therapy for the treatment of sepsis |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11312498P | 1998-12-21 | 1998-12-21 | |
US60/113,124 | 1998-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000037022A2 true WO2000037022A2 (en) | 2000-06-29 |
WO2000037022A3 WO2000037022A3 (en) | 2002-06-13 |
Family
ID=22347698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/030433 WO2000037022A2 (en) | 1998-12-21 | 1999-12-20 | Combination therapy for the treatment of sepsis |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1214041A2 (en) |
JP (1) | JP2002542148A (en) |
AU (1) | AU1940800A (en) |
CA (1) | CA2358492A1 (en) |
WO (1) | WO2000037022A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000069818A1 (en) * | 1999-05-12 | 2000-11-23 | Eli Lilly And Company | MORPHOLINO-N-ETHYL ESTER DERIVATIVE OF AN INDOLE sPLA2 INHIBITOR |
EP1073440A1 (en) * | 1998-05-01 | 2001-02-07 | Eli Lilly And Company | sPLA 2 INHIBITOR ESTERS |
WO2002005796A2 (en) * | 2000-07-14 | 2002-01-24 | Eli Lilly And Company | Use of a spla2 inhibitor for the treatment of sepsis |
WO2012127885A1 (en) | 2011-03-18 | 2012-09-27 | 小野薬品工業株式会社 | Tetrahydrocarboline derivative |
US8728512B2 (en) | 2001-06-13 | 2014-05-20 | Christopher John Jackson | Treatment and composition for wound healing |
WO2016116527A1 (en) * | 2015-01-20 | 2016-07-28 | Cynora Gmbh | Organic molecules, in particular for use in optoelectronic components |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093117A (en) * | 1989-01-24 | 1992-03-03 | Baxter International Inc. | Compositions and method for the treatment or prophylaxis of sepsis or septic shock |
US5571786A (en) * | 1990-08-16 | 1996-11-05 | Immuno Aktiengesellschaft | Use of protein C or the activation peptide of protein C for preparing a pharmaceutical preparation |
US5654326A (en) * | 1994-04-01 | 1997-08-05 | Eli Lilly And Company | 1H-indole-3-glyoxylamide SPLA2 inhibitors |
EP0952149A2 (en) * | 1998-04-17 | 1999-10-27 | Eli Lilly And Company | Substituted carbazoles, process for their preparation and their use as sPLA2 inhibitiors |
-
1999
- 1999-12-20 JP JP2000589136A patent/JP2002542148A/en not_active Withdrawn
- 1999-12-20 WO PCT/US1999/030433 patent/WO2000037022A2/en not_active Application Discontinuation
- 1999-12-20 EP EP99963109A patent/EP1214041A2/en not_active Withdrawn
- 1999-12-20 CA CA002358492A patent/CA2358492A1/en not_active Abandoned
- 1999-12-20 AU AU19408/00A patent/AU1940800A/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5093117A (en) * | 1989-01-24 | 1992-03-03 | Baxter International Inc. | Compositions and method for the treatment or prophylaxis of sepsis or septic shock |
US5571786A (en) * | 1990-08-16 | 1996-11-05 | Immuno Aktiengesellschaft | Use of protein C or the activation peptide of protein C for preparing a pharmaceutical preparation |
US5654326A (en) * | 1994-04-01 | 1997-08-05 | Eli Lilly And Company | 1H-indole-3-glyoxylamide SPLA2 inhibitors |
US5733923A (en) * | 1994-04-01 | 1998-03-31 | Eli Lilly And Company | 1H-indole-3-glyoxylamide sPLA2 inhibitors |
US5919943A (en) * | 1994-04-01 | 1999-07-06 | Eli Lilly And Company | Process for preparing 1H-indole-3-glyoxylamides |
US5919810A (en) * | 1994-04-01 | 1999-07-06 | Eli Lilly And Company | 1H-indole-3-glyoxylamide sPLA2 inhibitors |
EP0952149A2 (en) * | 1998-04-17 | 1999-10-27 | Eli Lilly And Company | Substituted carbazoles, process for their preparation and their use as sPLA2 inhibitiors |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1073440A1 (en) * | 1998-05-01 | 2001-02-07 | Eli Lilly And Company | sPLA 2 INHIBITOR ESTERS |
EP1073440A4 (en) * | 1998-05-01 | 2002-07-17 | Lilly Co Eli | sPLA 2 INHIBITOR ESTER |
WO2000069818A1 (en) * | 1999-05-12 | 2000-11-23 | Eli Lilly And Company | MORPHOLINO-N-ETHYL ESTER DERIVATIVE OF AN INDOLE sPLA2 INHIBITOR |
WO2002005796A2 (en) * | 2000-07-14 | 2002-01-24 | Eli Lilly And Company | Use of a spla2 inhibitor for the treatment of sepsis |
WO2002005796A3 (en) * | 2000-07-14 | 2002-09-06 | Lilly Co Eli | Use of a spla2 inhibitor for the treatment of sepsis |
US8728512B2 (en) | 2001-06-13 | 2014-05-20 | Christopher John Jackson | Treatment and composition for wound healing |
WO2012127885A1 (en) | 2011-03-18 | 2012-09-27 | 小野薬品工業株式会社 | Tetrahydrocarboline derivative |
WO2016116527A1 (en) * | 2015-01-20 | 2016-07-28 | Cynora Gmbh | Organic molecules, in particular for use in optoelectronic components |
Also Published As
Publication number | Publication date |
---|---|
AU1940800A (en) | 2000-07-12 |
EP1214041A2 (en) | 2002-06-19 |
JP2002542148A (en) | 2002-12-10 |
WO2000037022A3 (en) | 2002-06-13 |
CA2358492A1 (en) | 2000-06-29 |
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