ES2632346T3 - Procedimiento de preparación de derivados e intermedios de carbamoilpiridona - Google Patents
Procedimiento de preparación de derivados e intermedios de carbamoilpiridona Download PDFInfo
- Publication number
- ES2632346T3 ES2632346T3 ES11760040.3T ES11760040T ES2632346T3 ES 2632346 T3 ES2632346 T3 ES 2632346T3 ES 11760040 T ES11760040 T ES 11760040T ES 2632346 T3 ES2632346 T3 ES 2632346T3
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- Prior art keywords
- methyloxy
- formula
- acid
- compound
- pyridinone
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title description 7
- OHEKQGOBJIKKIF-AWEZNQCLSA-N (12as)-n-[(4-fluorophenyl)methyl]-7-hydroxy-6,8-dioxo-3,4,12,12a-tetrahydro-2h-pyrido[5,6]pyrazino[2,6-b][1,3]oxazine-9-carboxamide Chemical compound C([C@@H]1OCCCN1C(=O)C1=C(C2=O)O)N1C=C2C(=O)NCC1=CC=C(F)C=C1 OHEKQGOBJIKKIF-AWEZNQCLSA-N 0.000 title description 4
- 239000000543 intermediate Substances 0.000 title description 4
- UBQKCCHYAOITMY-UHFFFAOYSA-N pyridin-2-ol Chemical compound OC1=CC=CC=N1 UBQKCCHYAOITMY-UHFFFAOYSA-N 0.000 claims abstract description 23
- -1 oxalate ester Chemical class 0.000 claims abstract description 13
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 11
- 125000003118 aryl group Chemical group 0.000 claims abstract description 11
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims abstract description 11
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 8
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 5
- 150000001768 cations Chemical class 0.000 claims abstract description 5
- UFIPOMSTPOSCBR-UHFFFAOYSA-N methyl 2-[(2,2-dimethoxyethylamino)methylidene]-4-methoxy-3-oxobutanoate Chemical compound COCC(=O)C(C(=O)OC)=CNCC(OC)OC UFIPOMSTPOSCBR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 20
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 claims description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- QDZZDVQGBKTLHV-UHFFFAOYSA-N (2,4-difluorophenyl)methanamine Chemical compound NCC1=CC=C(F)C=C1F QDZZDVQGBKTLHV-UHFFFAOYSA-N 0.000 claims description 5
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 5
- LOMVENUNSWAXEN-UHFFFAOYSA-N Methyl oxalate Chemical group COC(=O)C(=O)OC LOMVENUNSWAXEN-UHFFFAOYSA-N 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 239000002841 Lewis acid Substances 0.000 claims description 4
- ZSXGLVDWWRXATF-UHFFFAOYSA-N N,N-dimethylformamide dimethyl acetal Chemical compound COC(OC)N(C)C ZSXGLVDWWRXATF-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims description 4
- 150000007517 lewis acids Chemical class 0.000 claims description 4
- JILPJDVXYVTZDQ-UHFFFAOYSA-N lithium methoxide Chemical group [Li+].[O-]C JILPJDVXYVTZDQ-UHFFFAOYSA-N 0.000 claims description 4
- BKMMTJMQCTUHRP-VKHMYHEASA-N (S)-2-aminopropan-1-ol Chemical compound C[C@H](N)CO BKMMTJMQCTUHRP-VKHMYHEASA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- WYACBZDAHNBPPB-UHFFFAOYSA-N diethyl oxalate Chemical compound CCOC(=O)C(=O)OCC WYACBZDAHNBPPB-UHFFFAOYSA-N 0.000 claims description 3
- AZVCGYPLLBEUNV-UHFFFAOYSA-N lithium;ethanolate Chemical compound [Li+].CC[O-] AZVCGYPLLBEUNV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- OTCKOJUMXQWKQG-UHFFFAOYSA-L magnesium bromide Chemical compound [Mg+2].[Br-].[Br-] OTCKOJUMXQWKQG-UHFFFAOYSA-L 0.000 claims description 3
- 229910001623 magnesium bromide Inorganic materials 0.000 claims description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000004820 halides Chemical class 0.000 claims description 2
- 230000007062 hydrolysis Effects 0.000 claims description 2
- 238000006460 hydrolysis reaction Methods 0.000 claims description 2
- 230000003301 hydrolyzing effect Effects 0.000 claims description 2
- 229940098779 methanesulfonic acid Drugs 0.000 claims description 2
- QGBPKJFJAVDUNC-UHFFFAOYSA-N methyl 4-methoxy-3-oxobutanoate Chemical compound COCC(=O)CC(=O)OC QGBPKJFJAVDUNC-UHFFFAOYSA-N 0.000 claims description 2
- HGTYHGCBGVQOKP-UHFFFAOYSA-N 1-(2,2-dimethoxyethyl)-3-methoxy-4-oxopyridine-2,5-dicarboxylic acid Chemical compound COC(OC)CN1C=C(C(O)=O)C(=O)C(OC)=C1C(O)=O HGTYHGCBGVQOKP-UHFFFAOYSA-N 0.000 claims 1
- QKWWDTYDYOFRJL-UHFFFAOYSA-N 2,2-dimethoxyethanamine Chemical compound COC(CN)OC QKWWDTYDYOFRJL-UHFFFAOYSA-N 0.000 claims 1
- JVKQPRFXVWBLEE-UHFFFAOYSA-N 2-(dimethylaminomethylidene)-4-methoxy-3-oxobutanoic acid Chemical compound COCC(=O)C(C(O)=O)=CN(C)C JVKQPRFXVWBLEE-UHFFFAOYSA-N 0.000 claims 1
- LFXUWXFSYMTEEK-UHFFFAOYSA-N dimethyl 1-(2,2-dimethoxyethyl)-3-methoxy-4-oxopyridine-2,5-dicarboxylate Chemical compound COC(OC)CN1C=C(C(=O)OC)C(=O)C(OC)=C1C(=O)OC LFXUWXFSYMTEEK-UHFFFAOYSA-N 0.000 claims 1
- YOMXMNVCBBDQDO-UHFFFAOYSA-N methyl 2-(dimethylaminomethylidene)-4-methoxy-3-oxobutanoate Chemical compound COCC(=O)C(=CN(C)C)C(=O)OC YOMXMNVCBBDQDO-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 14
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 9
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 125000004215 2,4-difluorophenyl group Chemical group [H]C1=C([H])C(*)=C(F)C([H])=C1F 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 108010002459 HIV Integrase Proteins 0.000 description 3
- FNJFXPQAVMEMIC-UHFFFAOYSA-N O1C=CN2C1=CN1C(=C2)C=CC(=C1)C(=O)N Chemical compound O1C=CN2C1=CN1C(=C2)C=CC(=C1)C(=O)N FNJFXPQAVMEMIC-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- HOMFUTHISIHOLS-POYBYMJQSA-N (3s,11ar)-3-methyl-6-(methyloxy)-5,7-dioxo-2,3,5,7,11,11a-hexahydro[1,3]oxazolo[3,2-a]pyrido[1,2-d]pyrazine-8-carboxylic acid Chemical compound O=C1N2[C@@H](C)CO[C@@H]2CN2C=C(C(O)=O)C(=O)C(OC)=C21 HOMFUTHISIHOLS-POYBYMJQSA-N 0.000 description 2
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 description 2
- 101100322888 Escherichia coli (strain K12) metL gene Proteins 0.000 description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Chemical compound [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- BSCHIACBONPEOB-UHFFFAOYSA-N oxolane;hydrate Chemical compound O.C1CCOC1 BSCHIACBONPEOB-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- AGMZSYQMSHMXLT-SCSAIBSYSA-N (3r)-3-aminobutan-1-ol Chemical compound C[C@@H](N)CCO AGMZSYQMSHMXLT-SCSAIBSYSA-N 0.000 description 1
- PFKFTWBEEFSNDU-UHFFFAOYSA-N 1,1'-Carbonyldiimidazole Substances C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- IKGGFUSHTLTYIT-UHFFFAOYSA-N 4-methoxy-3-oxobutanoic acid Chemical compound COCC(=O)CC(O)=O IKGGFUSHTLTYIT-UHFFFAOYSA-N 0.000 description 1
- FKDRFNDMMRZJBP-UHFFFAOYSA-N 4-oxa-1,7-diazatricyclo[7.4.0.03,7]trideca-2,5,8,10,12-pentaene-12-carboxylic acid Chemical compound O1C=CN2C1=CN1C(=C2)C=CC(=C1)C(=O)O FKDRFNDMMRZJBP-UHFFFAOYSA-N 0.000 description 1
- MKJMTKSTMONLDG-UHFFFAOYSA-N 4H-pyrido[1,2-a]pyrazine-8-carboxamide Chemical compound C1=C2N(CC=N1)C=CC(=C2)C(=O)N MKJMTKSTMONLDG-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- FIWILGQIZHDAQG-UHFFFAOYSA-N NC1=C(C(=O)NCC2=CC=C(C=C2)OCC(F)(F)F)C=C(C(=N1)N)N1N=C(N=C1)C1(CC1)C(F)(F)F Chemical compound NC1=C(C(=O)NCC2=CC=C(C=C2)OCC(F)(F)F)C=C(C(=N1)N)N1N=C(N=C1)C1(CC1)C(F)(F)F FIWILGQIZHDAQG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000004279 alanine Nutrition 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 230000017858 demethylation Effects 0.000 description 1
- 238000010520 demethylation reaction Methods 0.000 description 1
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
- 235000019439 ethyl acetate Nutrition 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229940006487 lithium cation Drugs 0.000 description 1
- GLNWILHOFOBOFD-UHFFFAOYSA-N lithium sulfide Chemical compound [Li+].[Li+].[S-2] GLNWILHOFOBOFD-UHFFFAOYSA-N 0.000 description 1
- 229940096405 magnesium cation Drugs 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- BLQJIBCZHWBKSL-UHFFFAOYSA-L magnesium iodide Chemical compound [Mg+2].[I-].[I-] BLQJIBCZHWBKSL-UHFFFAOYSA-L 0.000 description 1
- 229910001641 magnesium iodide Inorganic materials 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- QENHCSSJTJWZAL-UHFFFAOYSA-N magnesium sulfide Chemical compound [Mg+2].[S-2] QENHCSSJTJWZAL-UHFFFAOYSA-N 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 150000004702 methyl esters Chemical group 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 150000003901 oxalic acid esters Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/80—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
- C07D211/84—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen directly attached to ring carbon atoms
- C07D211/86—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/12—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains three hetero rings
- C07D498/14—Ortho-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4412—Non condensed pyridines; Hydrogenated derivatives thereof having oxo groups directly attached to the heterocyclic ring
-
- 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
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
- A61P31/18—Antivirals for RNA viruses for HIV
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/68—One oxygen atom attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D498/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Virology (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Communicable Diseases (AREA)
- AIDS & HIV (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oncology (AREA)
- Molecular Biology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Epidemiology (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Un procedimiento que comprende poner en contacto 3-{[2,2-bis(metiloxi)etil]amino}-2-[(metiloxi)acetil]-2- propenoato de metilo (fórmula I): con un éster de oxalato de fórmula II: en presencia de M+ -OR, en el que R es alquilo, arilo o bencilo; y M+ es un catión de un metal alcalino; para formar una piridinona de fórmula III:
Description
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DESCRIPCION
Procedimiento de preparacion de derivados e intermedios de carbamoilpiridona Campo de la invencion
La presente invencion se refiere a la preparacion de derivados de carbamoilpiridona e intermedios que son utiles como inhibidores de la integrasa del VIH.
Antecedentes de la invencion
Compuestos que tienen actividad inhibidora de la integrasa del VIH se describen en el documento WO 2006/116764 (correspondiente a la solicitud en Estados Unidos con n.° de serie 11/919386 cedida a Shionogi & Co. Ltd.). Los compuestos se desvelan como derivados de carbamoilpiridona polidclicos. Tambien se describen procedimientos para la preparacion de los mismos. Entre los ejemplos de estos compuestos se incluyen los siguientes derivados de carbamoilpiridona polidclicos:
Los procedimientos desvelados para la preparacion de estos compuestos son bastante laboriosos, que implican hasta 14 etapas. Por tanto, sena un avance en la tecnica encontrar modos de preparacion de estos compuestos con una eficacia mayor.
Sumario de la invencion
La presente invencion proporciona un procedimiento mejorado para la preparacion de los siguientes compuestos:
En un aspecto, la presente invencion es un procedimiento que comprende poner en contacto 3-{[2,2- bis(metiloxi)etil]amino}-2-(metiloxi)acetil]-2-propenoato de metilo (formula I): con un oxalato de formula II: en presencia de M+ ’OR, en el que R es alquilo, arilo o bencilo; y M+ es un cation de un metal alcalino; para formar una piridinona de formula III:
En un segundo aspecto, el procedimiento de la presente invencion comprende hidrolizar selectivamente una piridinona de formula III: en la que R es alquilo, arilo o bencilo con un reactivo de hidrolisis selectivo para formar un acido piridinona carboxflico de formula IV en la que R es alquilo, arilo o bencilo: con una selectividad superior al 90 %.
En un tercer aspecto, la presente invencion es un procedimiento que comprende poner en contacto un compuesto de formula VII: con un cation de litio o magnesio y un anion nucleofilo para formar un compuesto de formula VIII:
La presente divulgacion engloba un compuesto seleccionado entre el grupo que consiste en:
En un cuarto aspecto, la presente invencion es un procedimiento que comprende poner en contacto un compuesto de formula IV en la que R es alquilo, arilo o bencilo: con acido acetico y una cantidad catalttica de un acido protico fuerte para formar un aldehfdo del acido piridinona carboxflico de formula V en la que R es alquilo, arilo o bencilo:
El procedimiento de la presente invencion es util para la preparacion de compuestos con actividad inhibidora de la integrasa del VIH.
Descripcion detallada de la invencion
El siguiente esquema ilustra un procedimiento general para la preparacion del compuesto de formula VIII,
((3S,11aR)-A/-[(2,4-difluorofenil)metil]-6-hidroxi-3-metil-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-
a]pirido[1,2-d]-pirazin-8-carboxamida).
En el esquema anterior, se pone en contacto 4-metoxiacetoacetato con DMFDMA (N,N-dimetil-1,1- bis(metiloxi)metanamina) en condiciones suficientes para formar el 3-(dimetilamino)-2-[(metiloxi)acetil]-2-propenoato de metilo. La reaccion de este intermedio con aminoacetaldelddo dimetil acetal da como resultado la formacion de 3- {[2,2-bis(metiloxi)etil]amino}-2-[(metiloxi)acetil]-2-propenoato de metilo (I).
El compuesto I se pone en contacto despues con el ester de oxalato (II) en presencia de M+ 'OR para formar la piridinona (III). Cada R es alquilo C1-C5, arilo o bencilo; M+ es un cation de un metal alcalino tal como litio, sodio o potasio. Preferentemente, el cation de un metal alcalino es litio y el grupo R del ester de oxalato es el mismo grupo R de M+ ‘OR. Preferentemente, R es un alquilo C1-C5, especialmente un alquilo C1-C2. Esteres de oxalato particularmente preferentes son etanodioato de dimetilo y etanodioato de dietilo. Alcoxidos de un metal alcalino particularmente preferentes son metoxido de litio y etoxido de litio. Preferentemente, cuando el ester de oxalato es etanodioato de dimetilo, el alcoxido de un metal alcalino es metoxido de litio. Preferentemente, cuando el ester de oxalato es etanodioato de dietilo, el alcoxido de un metal alcalino es etoxido de litio.
La piridinona (III) se hidroliza selectivamente con Li-OH para formar el acido piridinona carboxflico (IV). Sorprendentemente, el ester metflico en la posicion 5 de la piridinona (III) se hidroliza con una selectividad de al
5
10
15
20
25
30
35
40
45
50
menos un 90 % con respecto al ester en la posicion 2.
El acido piridinona carbox^lico (IV) se pone en contacto con acido acetico y una cantidad catalttica de un acido protico fuerte para formar un aldelmdo del acido piridinona carboxflico (V). Ejemplos de acidos proticos fuertes adecuados incluyen acido metanosulfonico, acido sulfurico, acido toluenosulfonico y acido clorlmdrico. El aldelmdo (V) se pone en contacto despues con (2S)-2-amino-1-propanol para formar el acido ((3S,11aR)-3-metil-6-(metiloxi)- 5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-a]-pirido[1,2-d]pirazin-8-carboxflico (VI).
El compuesto (VI) se pone en contacto con 2,4-difluorobencilamina en condiciones de acoplamiento para formar la (3S,11aR)-W-[(2,4-difluorofenil)metil]-3-metil-6-(metiloxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-a]pirido- [1,2-d]pirazin-8-carboxamida (VII).
Por ultimo, el compuesto VII se desmetila con un acido de Lewis para formar el producto (3S,11aR)-W-[(2,4- difluorofenil)metil]-6-hidroxi-3-metil-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-a]pirido[1,2-d]-pirazin-8- carboxamida (VIII). Ejemplos de acidos de Lewis adecuados incluyen sales de magnesio, litio y calcio, asf como trihaluros de boro y haluros de trialquilsililo. Los acidos de Lewis preferentes son sales de magnesio y de litio. Las sales de magnesio incluyen sales tales como cloruro de magnesio, bromuro de magnesio, yoduro de magnesio y sulfuro de magnesio. Las sales de litio incluyen sales tales como cloruro de litio, bromuro de litio, yoduro de litio y sulfuro de litio. Es preferente el bromuro de litio.
De modo alternativo, y en otro aspecto de la presente invencion, el compuesto V se puede poner en contacto con (3R)-3-amino-1-butanol para formar un compuesto de formula VIa:
El compuesto VIa se puede hacer reaccionar con 2,4-difluorobencilamina en condiciones de acoplamiento para formar un compuesto de formula VIIa:
El compuesto VIIa se puede desmetilar con MgXn o LiXn (en los que X es un haluro, por ejemplo, Br, Cl, F, o I) para formar el compuesto de formula VIIIa:
Ejemplos
Los siguientes ejemplos ilustran el procedimiento de la presente invencion. Los disolventes y las condiciones de reaccion no pretenden limitar el ambito de la invencion. Los materiales de partida son conocidos en la tecnica y se pueden preparar facilmente o estan disponibles en el mercado. Preferentemente, los compuestos qrnmicos empleados en los ejemplos se obtuvieron comercialmente (de Aldrich®, por ejemplo).
A. Acido 1-[2,2-bis(metiloxi)etM]-5-(metMoxi)-6-(metiloxi)carboml]-4-oxo-1,4-dihidro-3-piridmcarboxnico
Se agito una mezcla de 4-metoxiacetoacetato de metilo (20 ml) y DMFDMA (24 ml) a temperatura ambiente durante 1,5 h. La mezcla de reaccion se diluyo con MeOH (50 ml) y se anadio aminoacetaldelmdo dimetil acetal (16,7 ml). La mezcla se agito durante 1 h a temperatura ambiente, se concentro, y despues se diluyo con MeOH (113 ml). Se cargo oxalato de dimetilo (45,66 g) seguido de la adicion en porciones de LiH (2,15 g) mientras se mantema la temperatura de la reaccion por debajo de 25 °C. El contenido de la reaccion se calento hasta 40 °C durante 14 h. La mezcla de reaccion se enfrio hasta -5 °C y se anadio LiOH (14,82 g) mientras se mantema la temperatura de la reaccion por debajo de 5 °C. Cuando se completo la adicion, la mezcla se agito durante 2 h mas a 3-5 °C durante 1 h. La mezcla de reaccion se inactivo con HCl acuoso (2 N, 367 ml), manteniendo la temperatura de la reaccion por debajo de 5 °C. Cuando se completo la adicion, se anadio EtOAc (450 ml) y la mezcla se calento hasta 20 °C. La mezcla de reaccion se filtro y la capa acuosa se descarto. Se anadio agua (225 ml) y la capa organica se elimino a presion reducida. El producto se recogio mediante filtracion y se seco en un horno de vado durante la noche a 50 °C. El producto se obtuvo en forma de un solido.
B. Acido (3S,11aR)-3-metM-6-(metMoxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-a]pirido[1,2-d]- pirazin-8-carboxilico
Se disolvio acido 1-[2,2-bis(metiloxi)etil]-5-(metiloxi)-6-(metiloxi)carbonil]-4-oxo-1,4-dihidro-3-piridincarboxflico (22,54 g) en 220 ml de CH3CN. Se anadieron HoAc (20 ml) y CH3SO3H (1,4 ml) a temperatura ambiente y la mezcla se calento hasta 58-65 °C durante 19,5 h. Se anadio lentamente alaninol (7,511 g) en CH3CN (15 ml) y la mezcla resultante se agito a 64 °C durante 18,5 h. La mezcla se concentro y el residuo se disolvio de nuevo en CH2Cl2 (170 ml). Se anadio HCl (1 N, 170 ml) y las capas se separaron. La capa acuosa se extrajo con CH2O2 (170 ml x 2) y las capas organicas se combinaron y se concentraron. Se anadio MeOH (50 ml) y la mezcla resultante se concentro de nuevo. Se anadio MeOH (80 ml) y la mezcla resultante se calento a reflujo durante 4 h, se enfrio gradualmente hasta 20 °C y se mantuvo a 20 °C durante 15 h. El producto se recogio mediante filtracion y se seco al vado.
C. (3S,11aR)-W-[(2,4-difluorofeml)metM]-3-metN-6-(metNoxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro-[1,3]oxazolo- [3,2-a]-pirido[1,2-d]pirazm-8-carboxamida
Se suspendieron acido (3S,11aR)-3-metil-6-(metiloxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2-a]pirido- [1,2-d]pirazin-8-carbox^lico (3,00 g) y 1,1'-carbonildiimidazol (CDI) (2,15 g) en 1,2-dimetoxietano (DME) (30 ml). La 5 mezcla se calento hasta 80 °C durante 1 h. La solucion resultante se enfrio hasta 20 °C y despues se trato con 2,4- difluorobencilamina (1,45 ml). Tras agitar durante 1 h, la mezcla se inactivo con agua (30 ml) y el DME se elimino a presion reducida. El producto se recogio mediante filtracion y se seco en un horno de vado durante la noche a 50 °C. El producto se obtuvo en forma de un solido.
D. (3S,11aR)-W-[(2,4-difluorofeml)metM]-6-hidroxi-3-metN-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo[3,2- 10 a]pirido[1,2-d]pirazm-8-carboxamida
Se disolvio (3S,11aR)-A/-[(2,4-difluorofenil)metil]-3-metil-6-(metiloxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro[1,3]oxazolo- [3,2-a]pirido[1,2-d]pirazin-8-carboxamida (193,1 mg) en CH3CN (4 ml) y se anadio MgBr2 (206,3 mg). La mezcla se calento hasta 50 °C durante 2 h y se inactivo con HCl (0,2 N, 10 ml). La mezcla se diluyo con CH2O2 y el pH se ajusto ademas a ~1. La capa acuosa se extrajo con CH2Cl2 (10 ml x 2). Las capas organicas combinadas se secaron 15 y se concentraron para dar el producto.
De modo alternativo, la desmetilacion se puede llevar a cabo con LiBr: Se disolvio (3S,11aR)-W-[(2,4- difluorofenil)metil]-3-metil-6-(metiloxi)-5,7-dioxo-2,3,5,7,11,11a-hexahidro-[1,3]oxazolo[3,2-a]pirido[1,2-d]pirazin-8- carboxamida (8,609 g) en THF (90 ml) y se anadio LiBr (3,942 g). La mezcla se calento a reflujo durante 12 h y se inactivo con H2SO4 (0,5 M, 94,467 g). La suspension resultante se agito a 20 °C durante 2 h y se filtro. El producto 20 solido se suspendio de nuevo en agua-THF (50 ml-50 ml) a 20 °C durante 2 h. El producto se recogio mediante filtracion, se lavo con agua-THF (1 ml-1,30 ml), y se seco al vacfo para dar el producto.
Claims (8)
- REIVINDICACIONES1. Un procedimiento que comprende poner en contacto 3-{[2,2-bis(metiloxi)etil]amino}-2-[(metiloxi)acetil]-2- propenoato de metilo (formula I): con un ester de oxalato de formula II: en presencia de M+ -oR, en el que R es alquilo, arilo o bencilo; y M+ es un cation de un metal alcalino; para formar una piridinona de formula III:5 2. El procedimiento de la reivindicacion 1, en el que M+ -OR es metoxido de litio o etoxido de litio; y el ester deoxalato es etanodioato de dimetilo o etanodioato de dietilo; en el que el compuesto de formula III se hidroliza en presencia de hidroxido de litio para formar el acido piridinona carboxflico de formula IV:
- 3. El procedimiento de la reivindicacion 2, en el que el acido piridinona carboxflico se pone en contacto con acido acetico y una cantidad catafltica de un acido protico fuerte para formar un aldehido del acido piridinona carboxflico 10 de formula V:
imagen1 en la que R es alquilo, arilo o bencilo.15 - 4. El procedimiento de la reivindicacion 3, en el que el aldehido del acido piridinona carboxflico de formula V se pone en contacto con (2S)-2-amino-1-propanol para formar el compuesto de formula VI:
imagen2 - 5. El procedimiento de la reivindicacion 4, en el que el compuesto de formula VI se pone en contacto con 2,4- difluorobencilamina en condiciones de acoplamiento para dar un compuesto de formula VII:
imagen3 20 6. El procedimiento de la reivindicacion 5, en el que el compuesto de formula VII se pone en contacto con un halurode magnesio o un haluro de litio para formar un compuesto de formula VIII:510imagen4 - 7. Un procedimiento que comprende hidrolizar selectivamente una piridinona de formula III:
imagen5 con un reactivo de hidrolisis selectivo para formar un acido piridinona carboxflico de formula IV en la que R es alquilo, arilo o bencilo:imagen6 con una selectividad superior al 90 %. - 8. Un procedimiento que comprende poner en contacto un compuesto de formula VII:
imagen7 con un acido de Lewis para formar un compuesto de formula VIII:imagen8 - 9. Un procedimiento de acuerdo con la reivindicacion 8 que comprende las etapas de:a) poner en contacto 4-metoxiacetoacetato de metilo con N,N-dimetil-1,1-bis(metiloxi)metanamina en condiciones adecuadas para formar el 3-(dimetilamino)-2-[(metiloxi)acetil]-2-propenoato de metilo;5 b) poner en contacto el 3-(dimetilamino)-2-[(metiloxi)acetil]-2-propenoato de metilo con 2,2-bis(metiloxi)etanaminapara formar 3-{[2,2-bis(metiloxi)etil]amino}-2-[(metiloxi)acetil]-2-propenoato de metilo;c) poner en contacto el 3-{[2,2-bis(metiloxi)etil]amino}-2-[(metiloxi)acetil]-2-propenoato de metilo con etanodioato de dimetilo en presencia de metoxido de litio para formar el 1-[2,2-bis(metiloxi)etil]-3-(metiloxi)-4-oxo-1,4-dihidro- 2,5-piridindicarboxilato de dimetilo;10 d) hidrolizar el 1-[2,2-bis(metiloxi)etil]-3-(metiloxi)-4-oxo-1,4-dihidro-2,5-piridindicarboxilato de dimetilo enpresencia de hidroxido de litio para formar el acido 1-[2,2-bis(metiloxi)etil]-5-(metiloxi)-6-(metiloxi)carbonil]-4-oxo- 1,4-dihidro-3-piridincarboxflico;e) poner en contacto el acido 1-[2,2-bis(metiloxi)etil]-5-(metiloxi)-6-(metiloxi)carbonil]-4-oxo-1,4-dihidro-3- piridincarboxflico con (2S)-2-amino-1-propanol en presencia de acido acetico y una cantidad catalttica de acido 15 metanosulfonico para formar un compuesto de formula VI:
imagen9 f) poner en contacto el compuesto de formula VI con 2,4-difluorobencilamina en condiciones de acoplamiento para dar un compuesto de formula VII:imagen10 20 VII, yg) poner en contacto el compuesto de formula VII con bromuro de magnesio para formar un compuesto de formula VIII:imagen11 510 - 10. El procedimiento de la reivindicacion 3, en el que el aldehido del acido piridinona carboxflico de formula V se
imagen12 con acido acetico y una cantidad catalftica de un acido protico fuerte para formar un aldeMdo del acido piridinona carboxflico de formula V:imagen13 en la que R se selecciona entre el grupo que consiste en alquilo, arilo y bencilo.
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