MXPA06006162A - Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines - Google Patents
Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidinesInfo
- Publication number
- MXPA06006162A MXPA06006162A MXPA/A/2006/006162A MXPA06006162A MXPA06006162A MX PA06006162 A MXPA06006162 A MX PA06006162A MX PA06006162 A MXPA06006162 A MX PA06006162A MX PA06006162 A MXPA06006162 A MX PA06006162A
- Authority
- MX
- Mexico
- Prior art keywords
- formula
- compound
- further characterized
- alkoxy
- alkyl
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- IXECJBAWCMPTMB-UHFFFAOYSA-N NC1=NC2=NN=CC2=C2N=CNN12 Chemical class NC1=NC2=NN=CC2=C2N=CNN12 IXECJBAWCMPTMB-UHFFFAOYSA-N 0.000 title abstract 2
- 150000001875 compounds Chemical class 0.000 claims description 131
- -1 -NR12R13 Chemical group 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 36
- 239000011780 sodium chloride Substances 0.000 claims description 35
- 229910052739 hydrogen Inorganic materials 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 27
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 239000012024 dehydrating agents Substances 0.000 claims description 26
- 125000001424 substituent group Chemical group 0.000 claims description 23
- 229910052736 halogen Inorganic materials 0.000 claims description 22
- 150000002367 halogens Chemical group 0.000 claims description 22
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 19
- VNDYJBBGRKZCSX-UHFFFAOYSA-L Zinc bromide Chemical group Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 16
- 229910001507 metal halide Inorganic materials 0.000 claims description 16
- 150000005309 metal halides Chemical class 0.000 claims description 16
- 125000001072 heteroaryl group Chemical group 0.000 claims description 15
- 230000003197 catalytic Effects 0.000 claims description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 14
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 13
- 239000012453 solvate Substances 0.000 claims description 11
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 11
- 230000001808 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000002140 halogenating Effects 0.000 claims description 8
- 238000005658 halogenation reaction Methods 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 7
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 7
- UIIMBOGNXHQVGW-UHFFFAOYSA-M NaHCO3 Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 125000005083 alkoxyalkoxy group Chemical group 0.000 claims description 6
- 125000004414 alkyl thio group Chemical group 0.000 claims description 6
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 6
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- GBHCABUWWQUMAJ-UHFFFAOYSA-N 2-hydrazinoethanol Chemical compound NNCCO GBHCABUWWQUMAJ-UHFFFAOYSA-N 0.000 claims description 5
- 125000004644 alkyl sulfinyl group Chemical group 0.000 claims description 5
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 5
- 238000006170 formylation reaction Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 235000017550 sodium carbonate Nutrition 0.000 claims description 4
- 239000005977 Ethylene Substances 0.000 claims description 3
- 150000001204 N-oxides Chemical class 0.000 claims description 3
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 3
- 125000003282 alkyl amino group Chemical group 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 3
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 3
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 3
- DIIDCDJZRFKEAR-UHFFFAOYSA-N 3-methylbutan-2-yl(propan-2-yl)azanide Chemical compound CC(C)[N-]C(C)C(C)C DIIDCDJZRFKEAR-UHFFFAOYSA-N 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-K Disodium phosphate Chemical compound [Na+].[Na+].[O-]P([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-K 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M Potassium bicarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- 229910006074 SO2NH2 Inorganic materials 0.000 claims description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K Tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 2
- 125000005085 alkoxycarbonylalkoxy group Chemical group 0.000 claims description 2
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 claims description 2
- 125000002490 anilino group Chemical group [H]N(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 125000005111 carboxyalkoxy group Chemical group 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 125000005112 cycloalkylalkoxy group Chemical group 0.000 claims description 2
- 125000004984 dialkylaminoalkoxy group Chemical group 0.000 claims description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 2
- 235000019800 disodium phosphate Nutrition 0.000 claims description 2
- 125000005113 hydroxyalkoxy group Chemical group 0.000 claims description 2
- 125000002757 morpholinyl group Chemical group 0.000 claims description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 235000011118 potassium hydroxide Nutrition 0.000 claims description 2
- 125000005270 trialkylamine group Chemical group 0.000 claims description 2
- 229910000404 tripotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019798 tripotassium phosphate Nutrition 0.000 claims description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 2
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 2
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 14
- WEVYAHXRMPXWCK-UHFFFAOYSA-N acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 12
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 7
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000007363 ring formation reaction Methods 0.000 description 5
- 150000007529 inorganic bases Chemical class 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 150000008043 acidic salts Chemical class 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001447 alkali salts Chemical class 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000012458 free base Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006011 modification reaction Methods 0.000 description 3
- 150000007530 organic bases Chemical class 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 101710039842 ADORA2A Proteins 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic Effects 0.000 description 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 2
- COVZYZSDYWQREU-UHFFFAOYSA-N 1,4-Butanediol, dimethanesulfonate Chemical compound CS(=O)(=O)OCCCCOS(C)(=O)=O COVZYZSDYWQREU-UHFFFAOYSA-N 0.000 description 1
- ICSNLGPSRYBMBD-UHFFFAOYSA-N 2-Aminopyridine Chemical compound NC1=CC=CC=N1 ICSNLGPSRYBMBD-UHFFFAOYSA-N 0.000 description 1
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 1
- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 description 1
- 208000000350 Central Nervous System Disease Diseases 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L Dipotassium phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 229910015391 FeC Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- MBBZMMPHUWSWHV-BDVNFPICSA-N Meglumine Chemical compound CNC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO MBBZMMPHUWSWHV-BDVNFPICSA-N 0.000 description 1
- 206010061536 Parkinson's disease Diseases 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-N Salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L Zinc chloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000003042 antagnostic Effects 0.000 description 1
- 239000000010 aprotic solvent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004429 atoms Chemical group 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N azanium;hydron;carbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 125000003785 benzimidazolyl group Chemical group N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004601 benzofurazanyl group Chemical group N1=C2C(=NO1)C(=CC=C2)* 0.000 description 1
- 125000004196 benzothienyl group Chemical group S1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000004541 benzoxazolyl group Chemical group O1C(=NC2=C1C=CC=C2)* 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N carbodiimide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 201000008779 central nervous system disease Diseases 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 231100000078 corrosive Toxicity 0.000 description 1
- 231100001010 corrosive Toxicity 0.000 description 1
- 125000002993 cycloalkylene group Chemical group 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
- 235000019797 dipotassium phosphate Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- HHFAWKCIHAUFRX-UHFFFAOYSA-N ethoxide Chemical class CC[O-] HHFAWKCIHAUFRX-UHFFFAOYSA-N 0.000 description 1
- SKTSVWWOAIAIKI-UHFFFAOYSA-N furan-2-carbohydrazide Chemical compound NNC(=O)C1=CC=CO1 SKTSVWWOAIAIKI-UHFFFAOYSA-N 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005842 heteroatoms Chemical group 0.000 description 1
- 150000002429 hydrazines Chemical class 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000005945 imidazopyridyl group Chemical group 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- NBTOZLQBSIZIKS-UHFFFAOYSA-N methoxide Chemical class [O-]C NBTOZLQBSIZIKS-UHFFFAOYSA-N 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 125000001715 oxadiazolyl group Chemical group 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atoms Chemical group O* 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001184 potassium carbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 239000002464 receptor antagonist Substances 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000001187 sodium carbonate Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004434 sulfur atoms Chemical group 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
- 125000001113 thiadiazolyl group Chemical group 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Abstract
A process for preparing substituted 5-amino-pyrazolo[4,3-e]-1,2,4-triazolo-[1,5-c]pyrimidine compounds having an aminoalkyl substituent at the 7-position is disclosed.
Description
PROCEDURE FOR THE PREPARATION OF 5-AMINO-PIRAZOLO-r4,3-EM, 2.4-TRIAZOL? P, 5-ClPIRIMIDlNAS REPLACED
This application claims the priority benefit of the E.U.A. Serial Number 60 / 525,925, filed on December 1, 2003.
FIELD OF THE INVENTION
The present invention relates to a process for preparing substituted 5-amino-pyrazolo [4,3-e] -1, 2,4-triazolo- [1, 5-cjpyrimidine compounds, having an aminoalkyl substituent in the 7-position .
BACKGROUND OF THE INVENTION
The substituted 5-amino-pyrazolo [4,3-e] -1, 2,4-triazolo- [1, 5-cjpyrimidine compounds, described in WO 01/92264 are useful as A2a receptor antagonists in the treatment of Central nervous system disease, in particular Parkinson's disease. WO 01/92264 describes a process for preparing 5-amino-2-substituted-pyrazolo [4,3-e] -1,2,4-triazole- [1, 5-c] pyrimidines, which comprises rearrangement by dehydration of hydrazines.
BRIEF DESCRIPTION OF THE INVENTION
The present invention relates to a process for preparing the compounds of formula 7
formula 7 or a pharmaceutically acceptable salt or solvate thereof, wherein L is alkylene; R is aryl, heteroaryl, R 1 -aryl, R 1 -heteroaryl or cycloalkenyl; Y is -N (R2) CH2CH2N (R3) -, -OCH2CH2N (R2) -, - (CH2) 2-NH-, or
and Z is aryl, R5-aryl, aralkyl, R5-aralkyl, heteroaryl, R5-heteroaryl, (aryl) 2alkyl, R6-C (O) -, HM-R6-SO2-, or. R5-aryl-CH (OH) - or aryl-CH (OH) -; or when v f Q is, H, Z is also phenylamino or pyridylamino;
Z and Y together are
R1 is from 1 to 3 substituents independently selected from the group consisting of hydrogen, alkyl, -CF3, halogen, -NO2, -NR12R13, alkoxy, alkylthio, alkylsulfinyl and alkylsulfonyl; R2 and R3 are independently selected from the group consisting of hydrogen and alkyl;
m and n are each independently 2 or 3; What is it
l i l i | -N- -C- -C- -C- or -c- i. i i V H CN 'OH COCH, R 4 is 1 to 2 substituents independently selected from the group consisting of hydrogen and alkyl, or two substituents R 4 on the same carbon can form = O; R5 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, dialkylamino, -CF3, -OCF3, acetyl, -NO2, hydroxyalkoxy, alkoxyalkoxy, dialkoxy- alkoxy, alkoxy-alkoxy-alkoxy, carboxy-alkoxy, alkoxycarbonylalkoxy, cycloalkyl-alkoxy, dialkyl-amino-alkoxy, morpholinyl, alkyl-SO2-, alkyl-SO2-alkoxy, tetrahydropyranyloxy, alkylcarbonyl-alkoxy, alkoxycarbonyl, alkylcarbonyloxy-alkoxy, SO2NH2 or phenoxy; or the adjacent R5 substituents together are -O-CH2-O-, -O-CH2CH2-O-, -O-CF2-O- or -O-CF2CF2-O-, and form a ring with the carbon atoms at the which are united; R6 is alkyl, aryl, R5-aryl, aralkyl, R5-aralkyl, heteroaryl, R5-heteroaryl, R5-cycloalkyl, cycloalkyl, alkyl-OC (O) -NH-alkyl (C6-C6) -,
dialkyl aminomethyl or alkyl-; R9 is 1 to 2 substituents independently selected from the group consisting of hydrogen, alkyl, hydroxy, alkoxy, halogen, -CF3, and alkoxy-alkoxy;
- R 10 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, -NH 2, alkylamine, dialkylamino, -CF 3, -OCF 3 and -S (O) 0.2 I rent; R 2 is hydrogen or alkyl; - 5. . and R13 is alkyl-C (O) - or alkyl-SO2-; - comprising (a) subjecting a compound of formula 6 to halogenation and formylation
formula 6 to obtain a compound of formula 5
formula 5 0 wherein X is halogen (b) coupling the compound of formula 5 with a hydrazine of formula 4 formula
in the presence of a base to form a compound of formula 3
formula 3
(c) reacting the compound of formula 3 with a compound of formula HO-L-NHNH2 to form a compound of formula 2
formula 2 (d) concurrently, (1) cyclizing and (2) halogenating the compound of formula 2 by reacting the compound of formula 2 in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent, to form a compound of formula 1 -. - formula 1 wherein A is halogen; and (e) preparing the compound of formula 7, coupling the compound of formula 1 with a compound of formula 8
Z-Y-H formula 8
in the presence of a base. In particular, the invention relates to the cyclization and halogenation of a compound of formula 1, together with the coupling of the compound of formula 1 with a compound of formula 8, to obtain a compound of formula 7.
DETAILED DESCRIPTION
One aspect of the invention is a process for preparing the compounds of formula 7, wherein L is ethylene; R is R1-furanyl,
R1-thienyl, R1-pyridyl, N-oxide of R1-pyridyl, R1-oxazolyl, R10-phenyl, R1-pyrrolyl or cycloalkenyl; R1 is
hydrogen or halogen; Cast
< jH; Z is R5-phenyl, R5-heteroaryl, R6-C (O) - or R6-SO2-; and R6 is
R5-phenyl. Another aspect of the invention is a process for preparing compounds of formula 7, wherein R is R 1 -furanyl; R1 is hydrogen or I halogen; Q is - N -; m and n are each 2; R4 is hydrogen; Z is R5-phenyl;
and R5 is a substituent selected from the group consisting of alkoxy and alkoxyalkoxy. Another aspect of the invention is a process for preparing compounds of formula 7, wherein A is chloro or bromo. Another aspect of the invention is a process for preparing compounds of formula 7, wherein the compound of formula HO-L-NHNH2 is
2-hydroxyethylhydrazine.
Another aspect of the invention is a process for preparing compounds of formula 7, wherein the dehydrating agent is P2O5 or POCI3, preferably POCI3. Another aspect of the invention is a process for preparing compounds of formula 7, wherein the dehydrating agent is POCI3 and the metal halide is ZnBr2. Another aspect of the invention is a process for preparing compounds of formula 7, wherein R is R1-furanyl, R1 is hydrogen, Z is
R5-phenyl and R5 is methoxyethoxy. Another aspect of the invention is a process for preparing compounds of formula 7, wherein the dehydrating agent is P2O5 and the salt
- Halide is NaCl. Another aspect of the invention is a process for preparing compounds of formula 7A
or a pharmaceutically acceptable salt or solvate thereof, comprising (a) subjecting a compound of formula 6 to halogenation and formylation
formula 6
to obtain a compound of formula 5A
Formula 5A
(b) coupling the compound of formula 5A with a hydrazine of formula 4A
4A formula in the presence of a base to form a compound of formula 3A
formula 3A (c) reacting the compound of formula 3A with the 2-hydroxyethyl hydrazine to form a compound of formula 2A
formula 2A
(d) concurrently (1) cyclizing and (2) halogenating the compound of formula 2A, by reacting the compound of formula 2A in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent to form a compound of formula 1A
Formula 1A
wherein A is halogen and (e) preparing the compound of formula 7A. coupling the compound of formula 1A with a compound of formula 8A formula 8A
in the presence of a base. Preferably, in the process of forming a compound of formula 7A, the metal halide is
ZnBr2 and the dehydrating agent is POCI3. Alternatively, cyclization and halogenation of formula 2A occur in the presence of NaCl and P2O5. A further aspect of the invention is a method for stopping the compounds of formula 1
Formula 1 wherein L is alkylene; R is aryl, heteroaryl, R 1 -aryl, R 1 -heteroaryl or cycloalkenyl; R1 is 1 to 3 substituents independently selected from the group consisting of hydrogen, alkyl, -CF3) halogen, -NO2, -NR12R13, alkoxy, alkylthio, alkylsulfinyl, and alkylsulfonyl;
R10 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, -NH2, alkylamino, dialkylamino, -CF3, -OCF3 and -S (O) 0-2alkyl; comprising concurrently (1) cyclizing and (2) - halogenating. composed of formula 2
formula 2
reacting the compound of formula 2 in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent to form a compound of formula 1. A further aspect of the invention is a process for preparing compounds of formula 1, wherein the dehydrating agent is a phosphorus oxyhalide; preferably, P2O5 or POCI3. A further aspect of the invention is a process for preparing compounds of formula 1, wherein the dehydrating agent is POCI3 and the metal halide of zinc halide, preferably ZnBr2. Alternatively, a further aspect of the invention is a process for preparing compounds of formula 1, wherein the halide salt is NaCl and the dehydrating agent is P2O5.
The claimed procedure produces compounds of formula 7, which have an antagonistic activity of the A2a receptor, as well as those intermediary compounds used to produce the compounds of formula 7. In step (a), the compound of formula 6 is converted into a compound of formula 5. Typically, the conversion takes place in the presence of a phosphorus oxyhalide, such as POCI3, a solvent such as DMF or DME and at a temperature of about 95 ° C to about 105 ° C, preferably about 100 ° C. In step (a) POCI3 is a halogenating agent, however, it can be used as a dehydrating agent, as will be demonstrated later in step (d). - In step (b), the compound of formula 5 is coupled with a hydrazine of formula 4, to form a compound of formula 3. The reaction is carried out in a non-protic organic solvent such as CH 3 CN, and an inorganic base or an organic base, at a temperature of about 10 ° C to about 100 ° C, more preferably at a temperature of about 20 ° C to about 80 ° C, even more preferably, about 30 ° C to about 50 ° C, still preferably at about 40 ° C. Examples of suitable inorganic bases are Na2CO3, NaHCO3, KHCO3, NaOH, KOH, K3PO4, K2HPO4, Na3PO4 and Na2HPO4. Examples of the organic bases include, but are not limited to, triethylamine, DBU, pyridine and DIEA. In addition, aprotic solvents such as THF and toluene, etc., can also replace acetonitrile in this reaction. About 1-2 equivalents, preferably about 1 equivalent of a compound of formula 5, and about 1-2, preferably, about 1-1.1 equivalents of the hydrazine of formula 4 are preferably used. uses approximately 1 equivalent of the inorganic base. Preferably, the activated compound of formula 3 is not isolated before the reaction. In step (c), the compound of formula 3 is reacted with a compound of HO-L-NHNH2, to form a compound of formula 2. Preferably, L is ethylene. The reaction is carried out in the presence of a non-protic organic base and / or an inorganic base (see above), at a temperature range of 30 ° C to about 120 ° C, preferably from about 50 ° C to about 100 ° C, even more preferably from about 70 to 90 ° C, more preferably from about 80 ° C. Approximately 2 equivalents of the hydroxy alkyl hydrazine are used. In step (d), the compound of formula 2 is obtained concurrently by (1) cyclizing and (2) halogenating the compound of formula 2, by reacting the compound of formula 2 in the presence of a catalytic amount of a halide metal and a dehydrating agent or a catalytic amount of a halide salt and a dehydrating agent, to form a compound of formula 1, which has, non-exclusively, the following formulas:
Although step (d) has been described as halogenation and concurrent cyclization of the compound of formula 2, the modifications, as a separate 2-step procedure, wherein halogenation and cyclization occur as separate steps, are intended to fall within the spirit and scope of the present invention. The reaction is carried out in an organic solvent such as toluene at a temperature range from about 80 ° C to about 120 ° C, more preferably from 90 ° C to about 110 ° C, most preferably 100 ° C. ° C, and then cooled and subsequently quenched at a temperature of about 0 ° C. Specific examples of metal halides include, but are not limited to, FeC, AICI3, ZnCl2 and ZnBr2. A combination of a phosphorous oxy cond and a metal salt (e.g., P2O5 and NaCl), may also result in the desired product. In step (e), the cond of formula 7 is formed by coupling the cond of formula 1 with a cond of formula 8, in the presence of a base. Preferred examples of the bases include, but are not limited to, amines, more preferably alkylamines, even more preferably trialkylamines, more preferably diisopropylethylamide. The reaction is carried out with an aprotic organic solvent (such as DMF, acetonitrile, toluene, THF, etc.), at a temperature range of from about 50 to about 120 ° C, preferably from 65 to 100 ° C, more preferably from 75 to 85 ° C, more preferably from 80 ° C. The reaction mixture is cooled in a water-ice bath at about 0 ° C, and stirred (preferably 2 hours). The resulting solid was filtered, washed (e.g., with a solution of acetonitrile and water), and dried to provide the product, a cond of formula 7. The present process provides an advantage over the procedures previously reported in the art. The known processes utilize highly toxic and corrosive NH2CN to form the six-membered heteroaryl of the final product. The claimed procedures currently avoid this cyclization step, using a raw material (a cond of formula 6), which already has a six-member ring. The cond of formula 6 is further processed by the claimed invention to provide the final product, the conds of formula 7. The present invention provides the use of toxic cyanogen halides, which in turn, therefore, allows the production to Large scale and high yields using milder conditions.
As used herein, "alkyl" means an aliphatic hydrocarbon group, which may be linear or branched and comprising from about 1 to about 6 carbon atoms in the chain. Branched means that one or more of the lower alkyl groups, such as methyl, ethyl or propyl, are attached to a linear alkyl chain. "Alkylene" refers to a divalent alkyl group, similarly refers to straight or branched chains. "Alkoxy" means an alkyl-O- group, in which the alkyl group is
- as previously described, unless otherwise indicated. Non-limiting examples of suitable alkoxy groups include methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy and heptoxy. The link to the main portion is through the oxygen of the ether. "Cycloalkyl" means a non-aromatic ring system comprising from about 3 to about 6 carbon atoms. Non-limiting examples of suitable monocyclic cycloalkyls include cyclopropyl, cyclopentyl and cyclohexyl, and the like. Cycloalkylene refers to a divalent cycloalkyl group. Cycloalkenyl refers to a cycloalkyl ring of C-C6, which comprises a double bond. "Cycloalkyl substituted on R 1 or R 5" refers to the groups wherein the substitutable ring carbon atoms have a substituent as defined above. "Heteroaryl" means a heteroaryl group of a single ring, bicyclic or benzofused of 5 to 10 atoms, comprising from 2 to 9 carbon atoms and from 1 to 4 heteroatoms selected independently from the group consisting of N, O and S , with the proviso that the rings do not include adjacent oxygen and / or sulfur atoms. Also included are the N-oxides of the ring nitrogens. Examples of the single-ring heteroaryl groups are pyridyl, pyridyl N-oxide, oxazolyl, isoxazolyl, oxadiazolyl, furanyl, pyrrolyl, thienyl, imidazolyl, pyrazolyl, tetrazolyl, thiazolyl, isothiazolyl, thiadiazolyl, pyrazinyl, pyrimidyl, pyridazinyl and triazolyl. . Examples of the bicyclic heteroaryl groups are naphthyridyl (for example, 1, 5 or 1, 7), imidazopyridyl, pyrido [2,3] imidazolyl, pyridopyrimidinyl and 7-azaindolyl. Examples of benzofused heteroaryl groups are indoiyl, quinolyl, isoquinolyl, phthalazinyl, benzothienyl (ie, thionaphtenyl), benzimidazolyl, benzofuranyl, benzoxazolyl and benzofurazanyl. All positional isomers are contemplated, for example, 2-pyridyl, 3-pyridyl and 4-pyridyl. "Heteroaryl substituted on R1 or R5" refers to the groups wherein the substitutable carbon atoms of the ring have a substituent as defined above. "Alkylthio" means an alkyl-S- group, in which the alkyl group is as previously described. Non-limiting examples of suitable alkylthio groups include methylthio, ethylthio and i-propylthio. The link to the main portion is through sulfur. - "Alkylsulfonyl" means an alkyl-S (O2) - group. The link to the
-Main portion is through the sulfonyl. "Alkylsulfinyl" means an alkyl-S (O) - group. The link to the main portion is through sulfinil.
"Carbonyl" means a portion -C (O) -, for example, alkoxycarbonyl refers to a C (O) - alkoxy group (ie, alkyl-O-C (O) -). "Acetyl" means -C (O) CH3. "Solvate" means a physical association of a compound of this invention with one or more solvent molecules. This physical association involves varying the degree of ionic and covalent binding, including hydrogen bonding. In certain instances, the solvate will be able to be isolated, for example, when one or more solvent molecules are incorporated into the crystal lattice of the crystalline solid. "Solvate" covers both solvates in solution phase and isolated solvates. Non-limiting examples of suitable solvates include ethanolates, methanolates, and the like. "Hydrate" is a solvate in which the solvent molecule is H2O. Certain compounds of the invention can exist in different stereoisomeric forms (e.g., enantiomers, diastereoisomers and atropisomers). The invention contemplates all such stereoisomers in both pure form and in mixture, including racemic mixtures. Certain compounds can be of acidic nature, for example, those compounds that possess a carboxyl or phenolic hydroxyl group. These compounds can form pharmaceutically acceptable salts. Examples of such salts include sodium, potassium, calcium, aluminum, gold and silver salts. Also contemplated are salts formed with pharmaceutically acceptable amines such as ammonia, alkyl amines, hydroxyalkylamines, N-methylglucamine and the like.
Certain basic compounds also form pharmaceutically acceptable salts, for example, acid addition salts. For example, pyrido-nitrogen atoms can form salts with strong acids, while compounds having basic substituents such as amino groups, also form salts with weaker acids. Examples of suitable acids for the formation of salts are hydrochloric, sulfuric, phosphoric, acetic, citric, oxalic, masonic, salicylic, malic, fumaric, succinic, ascorbic, maleic, methanesulfonic and other well-known mineral and carboxylic acids. those with experience in the technique. The salts are prepared by contacting the free base form with a sufficient amount of the desired acid to produce a salt in the conventional manner. The free base forms can be regenerated by treating the salt with a suitable basic aqueous solution, such as dilute aqueous NaOH, potassium carbonate, ammonia and sodium bicarbonate. The free base forms differ somewhat from their respective salt forms in certain physical properties, such as solubility in polar solvents, but the acidic and basic salts are, otherwise, equivalent to their respective free basic forms for the purposes of invention. All such acidic and basic salts are intended to be pharmaceutically acceptable salts within the scope of the invention, and all acidic and basic salts are considered equivalent to the free forms of the corresponding compounds for the purposes of the invention.
-.- -. - The following are descriptions of the preparation of the compounds of formula 7, using the claimed procedure. The following abbreviations are used in the specification and in the claims: Ms (methylsulfonyl); Me (methyl); Et or Et (ethyl); THF
(tetrahydrofuran); LOD (loss with drying); diisopropylethyl amine (DIEA);
DMF (dimethylformamide); DBU (1,8-diazabicyclo [5.4.0] undec-7-ene); (DME) 1, 2- dimethoxyethane; and DMSO (dimethyl sulfoxide).
General Reaction Scheme 10 The reaction scheme below describes the raw materials of the process, a compound of formula 6, up to the final step, wherein - a compound of formula 1 is coupled with a formula pair to produce the final product, a compound of formula 7.
H NH,
formula 2 formula 1
Z-Y-H formula 8
formula 7
1. Formation of the Compound for Formula 5 Initially, a compound of formula 6 is reacted with POCI3 in DMF and heated to a compound of formula 5.
The compound of formula 5 was subsequently treated (details to
continued), to practice the procedure of the claimed invention. As noted below, a compound of formula 5, wherein X is chloro, is subsequently reacted to form an intermediate compound of formula II.
Procedures for the preparation of compound 11
compound V
compound I! To Compound V (1.0 g, 1.0 equivalents), 2-furoic hydrazide
(0.7 g, 1.1 equivalents) and sodium carbonate (0.55 g, 1.0 equivalents), you will be
added acetonitrile (20 mL) and warmed to 40 ° C. After stirring at 40 ° C for 30 hours, the reaction was subsequently heated to 60 ° C. A solution of 2-hydroxyethyl hydrazine (0.7 mL, 2 equivalents) in water (5 mL) was added. The reaction mixture was then heated to 80 ° C and stirred for 2.5 hours. Once the reaction was complete, the reaction mixture was again cooled to 25 ° C, and 0.1 N HCl (10 mL) was added. The reaction mixture was stirred at 25 ° C for 2 hours. The reaction mixture was then concentrated to approximately 10 mL under reduced pressure. Water (30 mL) was added and the reaction mixture was concentrated to about 10 mL under reduced pressure. The reaction mixture was stirred at 25 ° C overnight. The solid was filtered and washed with 2 mL of water, then with 2 mL of acetonitrile. The product (compound I) was dried under vacuum at 25 ° C, to provide 1.1 g (70%) of the desired product. LC / MS: m / z = 304 (M + 1). 1 H NMR (DMSO-de): d 10.65 (d, 1 H); 9.52 (d, 1 H); 7.98-7.88 (m, 1 H); 7.42-7.29 (m, 1 H); 6.73-6.70 (m, 1 H); 6.35 (s, 2H); 4.9 (s, 1H); 4.1 (m, 2H); 3.62 (m, 2H).
3. Procedures for the preparation of the compound
X - Br / CI compound II compound!
A mixture of intermediate II (500 mg, 1.0 equivalent), Zinc Bromide (100 mg) and POCI3 (5 ml) was heated to 100 ° C and stirred for 6 hours. After the reaction is complete, the reaction mixture is dried. then cooled again to 0 ° C, and cold water with ice (15 ml) was slowly added to quench the reaction. The resulting solid was filtered, washed with water and dried to provide 420 mg of the product, compound I (as a mixture of bromine and chlorine). Mass spectrum: M + 1 = 304 (X = Cl); M + 1 = 348 (X = Br). 1 H NMR (DMSO): 8.37 (s, 1 H), 8.26 (broad s, 2H), 7.95 (m, 1 H), 7.24 (m, 1 H), 6.74 (m, 1 H), 4.60 (m, 2H), 4.05 (m, 2H), 3.48 (m, 4H).
Procedures for the preparation of the compound Vil
Y. = Br / Cl compound compound VIII
compound VII A mixture of compound I (900 mg, 1.0 equivalents), compound VIII ((1.2 g, 2.0 equivalents) and diisopropylethyl amine (DIEA) (1.5 ml, 4.5 equivalents) in dimethylformamide (DMF) (7.2 ml), heated to 80 ° C and stirred for 10 hours After the reaction was completed, the reaction mixture was then cooled again in an ice-water bath at 0 ° C, and stirred for 2 hours. filtered, washed with acetonitrile, water and dried to provide 870 mg of the product, compound VII Mass spectrum: M + 1 = 504. 1 H NMR (DMSO): 8.37 (s, 1 H), 8.13 (broad s) , 2H), 7.95 (m, 1 H), 7.18 (m, 1 H), 6.78 (m, 4H), 6.70 (m, 1 H), 4.38 (m, 2H), 4.93 (m, 2H), 3.56 (m, 2H), 3.37 (s, 3H), 2.90 (m, 4H), 2.80 (m, 2H), 2.55 (m, 4H), 2.45 (m, 2H) Although the present invention has been described as a whole With the set of specific modalities shown above, many alternatives, modifications and variations will be evident from them to those with ordinary experience in the art. It is intended that all such alternatives, modifications and variations fall within the spirit and scope of the present invention.
Claims (26)
1. - A process for preparing the compounds of formula 7 formula 7 or a pharmaceutically acceptable salt or solvate thereof, wherein; L is alkylene; R is aryl, heteroaryl, R1-aryl, R1-heteroaryl or cycloalkenyl; Y is -N (R2) CH2CH2N (R3) -, -OCH2CH2N (R2) -, - (CH2) 2-NH-, or Rachyl, heteroaryl, R5-heteroaryl, (aryl) 2alkyl, R6-C (O) -, R6-SO2-,, R5-aryl-CH (OH) - or -c aryl-CH (OH) -; or when Q is, H, Z is also phenylamino or pyridylamino; or Z and Y together are R1 is 1 to 3 substituents independently selected from the group consisting of hydrogen, alkyl, -CF3, halogen, -NO2, -NR12R13, alkoxy, alkylthio, alkylsulfinyl, and alkylsulfonyl; R2 and R3 are independently selected from the group consisting of hydrogen and alkyl; m and n are each independently 2 or 3; What is it 1 1 1 I i -N-) -c 1 -C- or _ I_> -c- H CN OH COCH3. R4 is 1 to 2 substituents independently selected from the group consisting of hydrogen and alkyl, or two substituents R4 on the same carbon can form = O; R5 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, dialkylamino, -CF3, -OCF3, acetyl, -NO2, hydroxyalkoxy, alkoxyalkoxy, dialkoxy- alkoxy, alkoxy-alkoxy-alkoxy, carboxy-alkoxy, alkoxycarbonylalkoxy, cycloalkyl-alkoxy, dialkylamino-alkoxy, morpholinyl, alkyl-SO2-, alkyl-SO2-alkoxy, tetrahydropyranyloxy, alkylcarbonyl-alkoxy, alkoxycarbonyl, alkylcarbonyloxy-alkoxy, SO2NH2 or phenoxy; or the adjacent R5 substituents together are -O-CH2-O-, -O-CH2CH2-O-, -O-CF2-O- or -O-CF2CF2-O-, and form a ring with the carbon atoms at the which are united; R6 is alkyl, aryl, R5-aryl, aralkyl, R5-aralkyl, heteroaryl, R5-heteroaryl, R5-cycloalkyl, cycloalkyl, alkyl-OC (O) -NH-alkyl (C Cd) -, dialkyl-aminomethyl or alkyl-O O; R9 is 1 to 2 substituents independently selected from the group consisting of hydrogen, alkyl, hydroxy, alkoxy, halogen, -CF3, and alkoxy-alkoxy; R10 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, -NH2, alkylamino, dialkylamino, -CF3 > -OCF3 and -S (O) o-2alkyl; R 12 is hydrogen or alkyl; and R13 is alkyl-C (O) - or alkyl-SO2-; comprising (a) subjecting a compound of formula 6 to halogenation and formylation formula 6 to obtain a compound of formula 5 wherein X is halogen (b) coupling the compound of formula 5 with a hydrazine of formula 4 H2N "R O formula 4 in the presence of a base to form a compound of formula 3 formula 3 (c) reacting the compound of formula 3 with a compound of formula HO-L-NHNH2 to form a compound of formula 2 formula 2 (d) concurrently, (1) cyclizing and (2) halogenating the compound of formula 2 by reacting the compound of formula 2 in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent, to form a compound of formula 1 Formula 1 wherein A is halogen; and (e) preparing the compound of formula 7, coupling the compound of formula 1 with a compound of formula 8 Z-Y-H formula 8 in the presence of a base.
2. The process according to claim 1, for preparing the compounds of formula 7, further characterized in that: L is ethylene; R is R1-furanyl, R1-thienyl, R1-pyridyl, N-oxide of R1-pyridyl, R1-oxazolyl, R10-phenyl, R1-pyrrolyl or cycloalkenyl; R1 is hydrogen or halogen; And it is, where Q is - N- or -CH-; Z is R5-phenyl, R5-heteroaryl, R6-C (O) - or R6-SO2-; and R6 is R5-phenyl.
3. - The process according to claim 2, further characterized in that R is R 1 -furanyl; R1 is hydrogen or halogen; What is it - -; m and n are each 2; R4 is hydrogen; Z is R5-phenyl; and R5 is a substituent selected from the group consisting of alkoxy and alkoxyalkoxy.
4. The process according to claim 1, further characterized in that A is chlorine or bromine.
5. The process according to claim 1, further characterized in that X of the compound of formula 5 is Cl.
6. The process according to claim 1, further characterized in that the base of step (b) is Na2CO3, NaHCO3 , KHCO3, NaOH, KOH, K3PO4, K2HPO4l Na3PO4 and Na2HPO4.
7. The process according to claim 1, further characterized in that the base of step (b) is Na2CO3.
8. The process according to claim 1, further characterized in that the base of step (e) is a trialkylamine.
9. The process according to claim 1, further characterized in that the base of step (e) is diisopropylethylamide.
10. The process according to claim 1, further characterized in that the compound of formula HO-L-NHNH2 is 2-hydroxyethylhydrazine.
11. The process according to claim 1, further characterized in that the dehydrating agent of step (d) is P2O5 or POCI3.
12. - The process according to claim 11, further characterized in that the dehydrating agent of step (d) is POCI3 and the metal halide is ZnBr2.
13. The process according to claim 1, further characterized in that R is R1-furanyl, R1 is hydrogen, Z is R5-phenyl and R5 is methoxyethoxy.
14. The process according to claim 1, further characterized in that the dehydrating agent of step (d) is P2O5.
15. The process according to claim 14, further characterized in that the metal halide of step (d) is NaCl.
16. The process according to claim 1, for preparing a compound of formula 7A or a pharmaceutically acceptable salt or solvate thereof, comprising (a) subjecting to halogenation and formylation a compound of formula 6 formula 6 to obtain a compound of formula 5A formula 5A (b) coupling the compound of formula 5A with a hydrazine of formula 4A Formula 4A in the presence of base to form a compound of formula 3A formula 3A (c) reacting the compound of formula 3A with 2-hydroxyethyl hydrazine to form a compound of formula 2A formula 2A (d) concurrently (1) cyclizing and (2) halogenating the compound of formula 2A, by reacting the compound of formula 2A in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent to form a compound of formula 1A formula 1A wherein A is halogen and (e) preparing the compound of formula 7A. coupling the compound of formula 1A with a compound of formula 8A formula 8A in the presence of a base.
17. The process according to claim 16, further characterized in that the metal halide is ZnBr2 and the dehydrating agent is POCI3.
18. The process according to claim 16, further characterized in that the halide salt is NaCl and the dehydrating agent is P2O5.
19. - A process for preparing the compounds of formula Formula 1 wherein L is alkylene; R is aryl, heteroaryl, R 1 -aryl, R 1 -heteroaryl or cycloalkenyl; R1 is from 1 to 3 substituents independently selected from the group consisting of hydrogen, alkyl, -CF3, halogen, -NO2, -NR12R13, alkoxy, alkylthio, alkylsulfinyl and alkylsulfonyl; and R10 is from 1 to 5 substituents independently selected from the group consisting of hydrogen, halogen, alkyl, hydroxy, alkoxy, -CN, -NH2, alkylamino, dialkylamino, -CF3, -OCF3 and -S (O) or- 2alkyl; comprising concurrently (1) cyclizing and (2) halogenating the compound of formula 2 formula 2 by reacting the compound of formula 2 in the presence of a catalytic amount of a metal halide or a catalytic amount of a halide salt and a dehydrating agent to form a compound of formula 1.
20. - The method according to claim 19, further characterized in that the dehydrating agent is a phosphorus oxyhalide.
21. The process according to claim 20, further characterized in that the dehydrating agent is P2O5 or POCI3.
22. The process according to claim 21, further characterized in that the dehydrating agent is POCI3.
23. The process according to claim 19, further characterized in that the metal halide is zinc halide.
24. The method according to claim 23, further characterized in that the metal halide is ZnBr2.
25. The method according to claim 24, - further characterized in that the metal halide is ZnBr2 and the dehydrating agent is POCI3.
26. The process according to claim 19, further characterized in that the halide salt is NaCl and the dehydrating agent is P2O5.
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US60/525,925 | 2003-12-01 |
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