EP2688879A1 - Procede de synthese de derives de cetobenzofurane - Google Patents
Procede de synthese de derives de cetobenzofuraneInfo
- Publication number
- EP2688879A1 EP2688879A1 EP12717365.6A EP12717365A EP2688879A1 EP 2688879 A1 EP2688879 A1 EP 2688879A1 EP 12717365 A EP12717365 A EP 12717365A EP 2688879 A1 EP2688879 A1 EP 2688879A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- formula
- compound
- benzofuran
- alkyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 4
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical class C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 title claims description 12
- -1 sulfonamido-benzofuran ester Chemical class 0.000 claims abstract description 29
- ZQTNQVWKHCQYLQ-UHFFFAOYSA-N dronedarone Chemical compound C1=CC(OCCCN(CCCC)CCCC)=CC=C1C(=O)C1=C(CCCC)OC2=CC=C(NS(C)(=O)=O)C=C12 ZQTNQVWKHCQYLQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229960002084 dronedarone Drugs 0.000 claims abstract description 17
- 238000005618 Fries rearrangement reaction Methods 0.000 claims abstract description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 51
- 150000001875 compounds Chemical class 0.000 claims description 35
- 125000003118 aryl group Chemical group 0.000 claims description 32
- 150000003839 salts Chemical class 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 125000005843 halogen group Chemical group 0.000 claims description 19
- 239000002253 acid Substances 0.000 claims description 18
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 125000001188 haloalkyl group Chemical group 0.000 claims description 14
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 13
- 125000003545 alkoxy group Chemical group 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 125000004183 alkoxy alkyl group Chemical group 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 125000001072 heteroaryl group Chemical group 0.000 claims description 5
- 125000000592 heterocycloalkyl group Chemical group 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 150000007522 mineralic acids Chemical class 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 5
- 238000007363 ring formation reaction Methods 0.000 claims description 5
- 125000001424 substituent group Chemical group 0.000 claims description 5
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 150000001345 alkine derivatives Chemical class 0.000 claims description 4
- 241001061036 Otho Species 0.000 claims description 3
- 238000010534 nucleophilic substitution reaction Methods 0.000 claims description 2
- 239000012453 solvate Substances 0.000 claims description 2
- 150000001907 coumarones Chemical class 0.000 abstract description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 86
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 52
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 46
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 42
- 230000015572 biosynthetic process Effects 0.000 description 42
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 38
- 239000000543 intermediate Substances 0.000 description 36
- 238000003786 synthesis reaction Methods 0.000 description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- PLIKAWJENQZMHA-UHFFFAOYSA-N 4-aminophenol Chemical compound NC1=CC=C(O)C=C1 PLIKAWJENQZMHA-UHFFFAOYSA-N 0.000 description 25
- 238000005481 NMR spectroscopy Methods 0.000 description 25
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 24
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical class O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 21
- 238000003756 stirring Methods 0.000 description 21
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 20
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 19
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 18
- 238000007254 oxidation reaction Methods 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 16
- 229960000583 acetic acid Drugs 0.000 description 16
- YJASRJZSSUOGKB-UHFFFAOYSA-N n-(4-hydroxyphenyl)methanesulfonamide Chemical group CS(=O)(=O)NC1=CC=C(O)C=C1 YJASRJZSSUOGKB-UHFFFAOYSA-N 0.000 description 16
- 239000012141 concentrate Substances 0.000 description 15
- 239000002585 base Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 13
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 12
- 239000012429 reaction media Substances 0.000 description 12
- 238000005859 coupling reaction Methods 0.000 description 11
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 11
- 239000000047 product Substances 0.000 description 11
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 10
- 125000002252 acyl group Chemical group 0.000 description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 10
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 10
- 150000003254 radicals Chemical class 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000012074 organic phase Substances 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 238000005917 acylation reaction Methods 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 239000012458 free base Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- QFIMDPDMUVGQAY-UHFFFAOYSA-N 2-butyl-5-(methanesulfonamido)-1-benzofuran-3-carboxylic acid Chemical compound C1=C(NS(C)(=O)=O)C=C2C(C(O)=O)=C(CCCC)OC2=C1 QFIMDPDMUVGQAY-UHFFFAOYSA-N 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000005863 Friedel-Crafts acylation reaction Methods 0.000 description 7
- 230000010933 acylation Effects 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000002841 Lewis acid Substances 0.000 description 6
- 239000012359 Methanesulfonyl chloride Substances 0.000 description 6
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 150000007517 lewis acids Chemical class 0.000 description 6
- QARBMVPHQWIHKH-UHFFFAOYSA-N methanesulfonyl chloride Chemical compound CS(Cl)(=O)=O QARBMVPHQWIHKH-UHFFFAOYSA-N 0.000 description 6
- 238000010992 reflux Methods 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 5
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 229910052794 bromium Inorganic materials 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 150000002367 halogens Chemical class 0.000 description 5
- 238000004128 high performance liquid chromatography Methods 0.000 description 5
- 150000003840 hydrochlorides Chemical group 0.000 description 5
- BDOLQESNFGCNSC-UHFFFAOYSA-N iodylbenzene Chemical compound O=I(=O)C1=CC=CC=C1 BDOLQESNFGCNSC-UHFFFAOYSA-N 0.000 description 5
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 5
- WHZPMLXZOSFAKY-UHFFFAOYSA-N n-(4-hydroxyphenyl)benzenesulfonamide Chemical group C1=CC(O)=CC=C1NS(=O)(=O)C1=CC=CC=C1 WHZPMLXZOSFAKY-UHFFFAOYSA-N 0.000 description 5
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 229910052708 sodium Inorganic materials 0.000 description 5
- 238000005694 sulfonylation reaction Methods 0.000 description 5
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 5
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 description 4
- PBECZJTWMSIKFE-UHFFFAOYSA-N 1-benzofuran-2-sulfonamide Chemical compound C1=CC=C2OC(S(=O)(=O)N)=CC2=C1 PBECZJTWMSIKFE-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 125000004104 aryloxy group Chemical group 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 3
- MAJPTPADBSFNIV-UHFFFAOYSA-N 2-butyl-5-(methanesulfonamido)-1-benzofuran-3-carbonyl chloride Chemical compound C1=C(NS(C)(=O)=O)C=C2C(C(Cl)=O)=C(CCCC)OC2=C1 MAJPTPADBSFNIV-UHFFFAOYSA-N 0.000 description 3
- XGAJABPTUOLUAE-UHFFFAOYSA-N 2-butyl-5-nitro-1-benzofuran Chemical compound [O-][N+](=O)C1=CC=C2OC(CCCC)=CC2=C1 XGAJABPTUOLUAE-UHFFFAOYSA-N 0.000 description 3
- LVGAGFJWHXUAQB-UHFFFAOYSA-N 5-(methanesulfonamido)-2-methyl-1-benzofuran-3-carboxylic acid Chemical compound C1=C(NS(C)(=O)=O)C=C2C(C(O)=O)=C(C)OC2=C1 LVGAGFJWHXUAQB-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 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 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- GOPYZMJAIPBUGX-UHFFFAOYSA-N [O-2].[O-2].[Mn+4] Chemical class [O-2].[O-2].[Mn+4] GOPYZMJAIPBUGX-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- CSKNSYBAZOQPLR-UHFFFAOYSA-N benzenesulfonyl chloride Chemical compound ClS(=O)(=O)C1=CC=CC=C1 CSKNSYBAZOQPLR-UHFFFAOYSA-N 0.000 description 3
- HEDRZPFGACZZDS-MICDWDOJSA-N deuterated chloroform Substances [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 3
- 150000002148 esters Chemical group 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- CPBUXARMTSVVGV-UHFFFAOYSA-N ethyl 5-(benzenesulfonamido)-2-methyl-1-benzofuran-3-carboxylate Chemical compound C1=C2C(C(=O)OCC)=C(C)OC2=CC=C1NS(=O)(=O)C1=CC=CC=C1 CPBUXARMTSVVGV-UHFFFAOYSA-N 0.000 description 3
- JYJVVHFRSFVEJM-UHFFFAOYSA-N iodosobenzene Chemical compound O=IC1=CC=CC=C1 JYJVVHFRSFVEJM-UHFFFAOYSA-N 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- KDVZJJIPQCXXGO-UHFFFAOYSA-N n-butyl-n-(3-phenoxypropyl)butan-1-amine;hydrochloride Chemical compound [Cl-].CCCC[NH+](CCCC)CCCOC1=CC=CC=C1 KDVZJJIPQCXXGO-UHFFFAOYSA-N 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000006103 sulfonylation Effects 0.000 description 3
- MRIPEESUXRBPND-UHFFFAOYSA-N (4-hydroxyphenyl)methanesulfonamide Chemical compound NS(=O)(=O)CC1=CC=C(O)C=C1 MRIPEESUXRBPND-UHFFFAOYSA-N 0.000 description 2
- FSJSYDFBTIVUFD-SUKNRPLKSA-N (z)-4-hydroxypent-3-en-2-one;oxovanadium Chemical compound [V]=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O FSJSYDFBTIVUFD-SUKNRPLKSA-N 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- HZNVUJQVZSTENZ-UHFFFAOYSA-N 2,3-dichloro-5,6-dicyano-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(C#N)=C(C#N)C1=O HZNVUJQVZSTENZ-UHFFFAOYSA-N 0.000 description 2
- CDAWCLOXVUBKRW-UHFFFAOYSA-N 2-aminophenol Chemical compound NC1=CC=CC=C1O CDAWCLOXVUBKRW-UHFFFAOYSA-N 0.000 description 2
- JVVRCYWZTJLJSG-UHFFFAOYSA-N 4-dimethylaminophenol Chemical compound CN(C)C1=CC=C(O)C=C1 JVVRCYWZTJLJSG-UHFFFAOYSA-N 0.000 description 2
- 229960000549 4-dimethylaminophenol Drugs 0.000 description 2
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-dimethylaminopyridine Substances CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- DIRCLGLKRZLKHG-UHFFFAOYSA-N 4-hydroxybenzenesulfonamide Chemical compound NS(=O)(=O)C1=CC=C(O)C=C1 DIRCLGLKRZLKHG-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 101000610640 Homo sapiens U4/U6 small nuclear ribonucleoprotein Prp3 Proteins 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 101001110823 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 60S ribosomal protein L6-A Proteins 0.000 description 2
- 101000712176 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) 60S ribosomal protein L6-B Proteins 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 102100040374 U4/U6 small nuclear ribonucleoprotein Prp3 Human genes 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 2
- 239000000010 aprotic solvent Substances 0.000 description 2
- 238000005899 aromatization reaction Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 125000006165 cyclic alkyl group Chemical group 0.000 description 2
- 150000001924 cycloalkanes Chemical class 0.000 description 2
- 125000004989 dicarbonyl group Chemical group 0.000 description 2
- XTXKFHTXNIJXFR-UHFFFAOYSA-N disodium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium;hydrate Chemical compound O.[Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O XTXKFHTXNIJXFR-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical group CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002198 insoluble material Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- ACKFDYCQCBEDNU-UHFFFAOYSA-J lead(2+);tetraacetate Chemical compound [Pb+2].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O ACKFDYCQCBEDNU-UHFFFAOYSA-J 0.000 description 2
- CZTKGERSDUGZPQ-UHFFFAOYSA-N methyl 3-oxoheptanoate Chemical compound CCCCC(=O)CC(=O)OC CZTKGERSDUGZPQ-UHFFFAOYSA-N 0.000 description 2
- UAEPNZWRGJTJPN-UHFFFAOYSA-N methylcyclohexane Chemical compound CC1CCCCC1 UAEPNZWRGJTJPN-UHFFFAOYSA-N 0.000 description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 2
- OOYKEEROCQGXPH-UHFFFAOYSA-N n,n-diethyl-2-phenoxyethanamine Chemical compound CCN(CC)CCOC1=CC=CC=C1 OOYKEEROCQGXPH-UHFFFAOYSA-N 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- CTSLXHKWHWQRSH-UHFFFAOYSA-N oxalyl chloride Chemical compound ClC(=O)C(Cl)=O CTSLXHKWHWQRSH-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- JROFWMNXCDKHBD-UHFFFAOYSA-N phenyl 2-butyl-5-(methanesulfonamido)-1-benzofuran-3-carboxylate Chemical compound CCCCC=1OC2=CC=C(NS(C)(=O)=O)C=C2C=1C(=O)OC1=CC=CC=C1 JROFWMNXCDKHBD-UHFFFAOYSA-N 0.000 description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 125000004434 sulfur atom Chemical group 0.000 description 2
- WJKHJLXJJJATHN-UHFFFAOYSA-N triflic anhydride Chemical compound FC(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F WJKHJLXJJJATHN-UHFFFAOYSA-N 0.000 description 2
- IAHBIMWHYUOIOH-UHFFFAOYSA-N vanadium hydrochloride Chemical compound Cl.[V] IAHBIMWHYUOIOH-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 description 1
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 description 1
- CPKOXUVSOOKUDA-UHFFFAOYSA-N 1-bromo-5-fluoro-2-iodo-4-methylbenzene Chemical compound CC1=CC(I)=C(Br)C=C1F CPKOXUVSOOKUDA-UHFFFAOYSA-N 0.000 description 1
- NGNBDVOYPDDBFK-UHFFFAOYSA-N 2-[2,4-di(pentan-2-yl)phenoxy]acetyl chloride Chemical compound CCCC(C)C1=CC=C(OCC(Cl)=O)C(C(C)CCC)=C1 NGNBDVOYPDDBFK-UHFFFAOYSA-N 0.000 description 1
- ULQQGOGMQRGFFR-UHFFFAOYSA-N 2-chlorobenzenecarboperoxoic acid Chemical compound OOC(=O)C1=CC=CC=C1Cl ULQQGOGMQRGFFR-UHFFFAOYSA-N 0.000 description 1
- DXVQSHRBALIFBC-UHFFFAOYSA-N 3-phenoxypropan-1-amine Chemical compound NCCCOC1=CC=CC=C1 DXVQSHRBALIFBC-UHFFFAOYSA-N 0.000 description 1
- JTWGNQQRTPIYSJ-UHFFFAOYSA-N 3-phenoxypropylazanium;chloride Chemical compound Cl.NCCCOC1=CC=CC=C1 JTWGNQQRTPIYSJ-UHFFFAOYSA-N 0.000 description 1
- BTOJSYRZQZOMOK-UHFFFAOYSA-N 4-chloro-7-(4-methylphenyl)sulfonylpyrrolo[2,3-d]pyrimidine Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1C2=NC=NC(Cl)=C2C=C1 BTOJSYRZQZOMOK-UHFFFAOYSA-N 0.000 description 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical class OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- SVTKCBLKXSGLKR-UHFFFAOYSA-N CS(=O)(=O)NC=1C=CC2=C(C(=CO2)C(=O)OC2=CC=CC=C2)C1 Chemical compound CS(=O)(=O)NC=1C=CC2=C(C(=CO2)C(=O)OC2=CC=CC=C2)C1 SVTKCBLKXSGLKR-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 description 1
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000003810 Jones reagent Substances 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- JQVDAXLFBXTEQA-UHFFFAOYSA-N N-butyl-butylamine Natural products CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- XLUXHEZIGIDTCC-UHFFFAOYSA-N acetonitrile;ethyl acetate Chemical compound CC#N.CCOC(C)=O XLUXHEZIGIDTCC-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000002009 alkene group Chemical group 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 125000004171 alkoxy aryl group Chemical group 0.000 description 1
- 150000005224 alkoxybenzenes Chemical class 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 230000002152 alkylating effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- YCOXTKKNXUZSKD-UHFFFAOYSA-N as-o-xylenol Natural products CC1=CC=C(O)C=C1C YCOXTKKNXUZSKD-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- WPTMDNDUQTZHIC-UHFFFAOYSA-N but-1-yne Chemical group [CH2-]CC#[C+] WPTMDNDUQTZHIC-UHFFFAOYSA-N 0.000 description 1
- JHRWWRDRBPCWTF-OLQVQODUSA-N captafol Chemical compound C1C=CC[C@H]2C(=O)N(SC(Cl)(Cl)C(Cl)Cl)C(=O)[C@H]21 JHRWWRDRBPCWTF-OLQVQODUSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 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
- 230000001627 detrimental effect Effects 0.000 description 1
- HBEDSQVIWPRPAY-UHFFFAOYSA-N dihydro-benzofuran Natural products C1=CC=C2OCCC2=C1 HBEDSQVIWPRPAY-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 229960002919 dronedarone hydrochloride Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- QMZFBYCGVMQZSW-UHFFFAOYSA-N ethyl 2-[5-(benzenesulfonamido)-2-hydroxyphenyl]-3-oxobutanoate Chemical compound C1=C(O)C(C(C(C)=O)C(=O)OCC)=CC(NS(=O)(=O)C=2C=CC=CC=2)=C1 QMZFBYCGVMQZSW-UHFFFAOYSA-N 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 125000000262 haloalkenyl group Chemical group 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- SNHMUERNLJLMHN-UHFFFAOYSA-N iodobenzene Chemical compound IC1=CC=CC=C1 SNHMUERNLJLMHN-UHFFFAOYSA-N 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- JILPJDVXYVTZDQ-UHFFFAOYSA-N lithium methoxide Chemical compound [Li+].[O-]C JILPJDVXYVTZDQ-UHFFFAOYSA-N 0.000 description 1
- AZVCGYPLLBEUNV-UHFFFAOYSA-N lithium;ethanolate Chemical compound [Li+].CC[O-] AZVCGYPLLBEUNV-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000003328 mesylation reaction Methods 0.000 description 1
- HNQIVZYLYMDVSB-UHFFFAOYSA-N methanesulfonimidic acid Chemical compound CS(N)(=O)=O HNQIVZYLYMDVSB-UHFFFAOYSA-N 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- HRSSPMHJZVUDEJ-UHFFFAOYSA-N methyl 2-[2-hydroxy-5-(methanesulfonamido)phenyl]-3-oxoheptanoate Chemical compound CCCCC(=O)C(C(=O)OC)C1=CC(NS(C)(=O)=O)=CC=C1O HRSSPMHJZVUDEJ-UHFFFAOYSA-N 0.000 description 1
- GYNNXHKOJHMOHS-UHFFFAOYSA-N methyl-cycloheptane Natural products CC1CCCCCC1 GYNNXHKOJHMOHS-UHFFFAOYSA-N 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- NDLQEBVURWOHCQ-UHFFFAOYSA-N n-(4-oxocyclohexa-2,5-dien-1-ylidene)methanesulfonamide Chemical compound CS(=O)(=O)N=C1C=CC(=O)C=C1 NDLQEBVURWOHCQ-UHFFFAOYSA-N 0.000 description 1
- WKFHEWCOYQNAQR-UHFFFAOYSA-N n-[2-butyl-3-(4-hydroxybenzoyl)-1-benzofuran-5-yl]methanesulfonamide Chemical compound CCCCC=1OC2=CC=C(NS(C)(=O)=O)C=C2C=1C(=O)C1=CC=C(O)C=C1 WKFHEWCOYQNAQR-UHFFFAOYSA-N 0.000 description 1
- DWKVCQXJYURSIQ-UHFFFAOYSA-N n-[2-butyl-3-[4-[3-(dibutylamino)propoxy]benzoyl]-1-benzofuran-5-yl]methanesulfonamide;hydron;chloride Chemical compound Cl.C1=CC(OCCCN(CCCC)CCCC)=CC=C1C(=O)C1=C(CCCC)OC2=CC=C(NS(C)(=O)=O)C=C12 DWKVCQXJYURSIQ-UHFFFAOYSA-N 0.000 description 1
- ANLMKUQEPXRMGV-UHFFFAOYSA-N n-butyl-n-(3-chloropropyl)butan-1-amine Chemical compound CCCCN(CCCC)CCCCl ANLMKUQEPXRMGV-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- XCRBXWCUXJNEFX-UHFFFAOYSA-N peroxybenzoic acid Chemical class OOC(=O)C1=CC=CC=C1 XCRBXWCUXJNEFX-UHFFFAOYSA-N 0.000 description 1
- DLRJIFUOBPOJNS-UHFFFAOYSA-N phenetole Chemical compound CCOC1=CC=CC=C1 DLRJIFUOBPOJNS-UHFFFAOYSA-N 0.000 description 1
- HJCZOXQOGKZQCQ-UHFFFAOYSA-N phenyl 3-oxoheptanoate Chemical compound CCCCC(=O)CC(=O)OC1=CC=CC=C1 HJCZOXQOGKZQCQ-UHFFFAOYSA-N 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000004540 pour-on Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 150000004060 quinone imines Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- KIEOKOFEPABQKJ-UHFFFAOYSA-N sodium dichromate Chemical class [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 description 1
- QDRKDTQENPPHOJ-UHFFFAOYSA-N sodium ethoxide Chemical compound [Na+].CC[O-] QDRKDTQENPPHOJ-UHFFFAOYSA-N 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- HFRXJVQOXRXOPP-UHFFFAOYSA-N thionyl bromide Chemical compound BrS(Br)=O HFRXJVQOXRXOPP-UHFFFAOYSA-N 0.000 description 1
- 125000002088 tosyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1C([H])([H])[H])S(*)(=O)=O 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
- C07D307/80—Radicals substituted by oxygen atoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids
- C07C303/40—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/01—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms
- C07C311/02—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C311/08—Sulfonamides having sulfur atoms of sulfonamide groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C311/00—Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups
- C07C311/15—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings
- C07C311/21—Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to a carbon atom of a six-membered aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 carbon atoms of the hetero ring
- C07D307/83—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans 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 carbon atoms of the hetero ring
- C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Definitions
- the present invention relates to cetobenzofuran derivatives of general formula (I) shown below as well as to their synthesis process via the coupling between a quinoneimine and a synthetic cisters.
- G1 represents a linear or branched (i) alkyl group, (ii) haloalkyl, (iii) cycloalkyl, (iv) aryl, substituted or unsubstituted, (v) alkene or (vi) alkyne,
- G3 represents (i) a group -NHS0 2 Rc or (ii) a group -NHRc, where Rc represents (a) a linear or branched alkyl group, (b) a cycloalkyl group or (c) an aryl group, substituted or unsubstituted,
- G5 represents a halogen atom or a group -ORb where Rb represents a hydrogen atom, an alkyl, haloalkyl, aryl, arylalkyl, heteroaryl, cycloalkyl, heterocycloalkyl group or a -alkyleneaminoalkyl group,
- Ra is chosen from hydrogen atom, halogen atoms, alkyl, haloalkyl, alkoxy and alkoxyalkyl groups,
- na is an index equal to 0, 1, 2, 3 or 4.
- cetobenzofurans (I) is 2-n-butyl-3- [4- (3-di-n-butylaminopropoxy) benzoyl] -5-methylsulfonamido-benzofuran known as dronedarone.
- (D) may be in free base or salt form, in particular 2-n-butyl-3- [4- (3-di-n-butylaminopropoxy) benzoyl] -5-methylsulfonamidobenzofuran hydrochloride salt.
- Dronedarone is particularly useful as an active ingredient in indications of cardiac arrhythmia.
- the free base form of dronedarone is synthesized according to the process described in EP0471609B1 via the key benzofuran ring intermediate, 2-butyl-5-nitro-benzofuran.
- the 2-butyl-5-nitro-benzofuran intermediate must be functionalized in position 3 and must be converted to position 5, according to scheme 1 below.
- the nitro group borne in position 5 of 2-butyl-5-nitro-benzofuran must be converted to methanesulfonamide by a reduction of -N0 2 in -NH 2 followed by sulfonylation.
- the Applicant therefore seeks new synthetic routes involving benzofurans, preferably already functionalized in the 2, 3 and 5 positions of the benzofuran ring and advantageously already suitably functionalised in the 2 and 5 positions, in order to carry out the synthesis of molecules. of formula (I) above, thus making it possible to circumvent the technical difficulties while at the same time best meeting the constraints of cost, toxicity, safety and respect for the environment related to the industrialization of such a synthetic process.
- the Applicant has now found a new process for the synthesis of cetobenzofuran derivatives of formula (I), in particular a novel process for the synthesis of Dronedarone of formula (D) above, comprising a Friedel and Crafts acylation step or a Fries rearrangement reaction from a common intermediate.
- This method has the advantage of being able to synthesize the final molecule (I) from a common intermediate according to two possible paths which are subsequently called the A and B routes, allowing a certain flexibility at the industrial level.
- the invention relates to a process for the synthesis of a cetobenzofuran derivative, in the form of (i) acid, (ii) base, (iii) an acid or a base addition salt, (iv) hydrate or (v) solvate, advantageously dronedarone or its hydrochloride salt, said cetane derivative (I) below:
- G1 represents a linear or branched (i) alkyl group, advantageously a C 1 -C 8 alkyl group, even more advantageously an alkyl group; C1-C4 such as, for example, methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl or tert-butyl, (ii) haloalkyl, (Ni) cycloalkyl, (iv) aryl, substituted or unsubstituted (v) alkene or (vi) alkyne, preferably G1 is alkyl and even more preferably G1 is n-butyl;
- G3 represents (i) a group -NHS0 2 c or (ii) a group -NHRc wherein
- Rc represents (a) a linear or branched alkyl group, advantageously a C1-C8 alkyl group, still more advantageously a C1-C4 alkyl group, such as, for example, a methyl, ethyl, n-propyl or isopropyl group; -butyl, sec-butyl or tert-butyl, (b) a cycloalkyl group or (c) a substituted or unsubstituted aryl group, advantageously G3 represents a -NHSO 2 alkyl group or a -NHSO 2 aryl group, still more advantageously G3 represents a grouping -
- G5 represents a halogen atom or a group -ORb where Rb represents a hydrogen atom, an alkyl, haloalkyl, aryl, arylalkyl, heteroaryl, cycloalkyl or heterocycloalkyl group or an alkyleneaminoalkyl group, advantageously G5 represents a group -ORb with Rb selected from -alkyleneaminoalkyl groups, preferably Rb represents a 3- (di-n-butylamino) -propyl group;
- Ra represents a substituent chosen from hydrogen, halogen atoms, alkyl, haloalkyl, alkoxy and alkoxyalkyl groups, advantageously Ra represents a substituent chosen from the hydrogen atom, the halogen atoms and the halogen atoms; alkyl groups,
- na is an index equal to 0, 1, 2, 3 or 4,
- halogen atoms the -OH group, alkoxy groups, aryloxy and -NRdRe with Rd and Re are identical or different and are selected independently from each other, from a hydrogen atom, groupings alkyl and aryl groups, said aryl and alkyl groups being optionally substituted, advantageously G 2 is chosen from halogen atoms, even more advantageously G 2 is chosen from chlorine and bromine,
- the compounds of formula (I) may comprise one or more asymmetric carbon atoms. They can therefore exist as enantiomers or diastereoisomers. These enantiomers, diastereoisomers, as well as their mixtures, including the racemic mixtures, form part of the invention.
- the compounds of formula (I) may exist in the form of bases or of pharmaceutically acceptable salts for addition to organic or inorganic acids. Such addition salts are part of the invention. These salts can be prepared with pharmaceutically acceptable acids, but the salts of other acids that are useful, for example, for the purification or the isolation of the compounds of formula (I) are also part of the invention.
- the invention also relates to synthetic intermediates such as the compounds of formula (II), (VIII) and (IX), in base form, or of pharmaceutically acceptable acid addition salts.
- synthetic intermediates such as the compounds of formula (II), (VIII) and (IX), in base form, or of pharmaceutically acceptable acid addition salts.
- organic or inorganic for example the salts defined above for the formula (I), said compounds (II), (VIII) and (IX) being of following formula:
- G1 and G3 are as defined for the ketobenzofuran of formula (I) above and in which the group G2 is chosen,
- halogen atoms the -OH group, alkoxy groups, aryloxy and -NRdRe with Rd and Re are identical or different and are selected independently from each other, from a hydrogen atom, the alkyl groups and the aryl groups, said aryl and alkyl groups being optionally substituted, advantageously G 2 is chosen from halogen atoms, even more advantageously G 2 is chosen from chlorine and bromine,
- phenyl is optionally substituted in the ortho and / or meta position, but never in the para position, by said radical Ra, with Ra and n as defined above for the ketobenzofuran (I).
- a halogen atom a fluorine, chlorine, bromine or iodine atom
- an alkyl group a saturated, linear or branched, saturated aliphatic group which may comprise 1, 2, 3, 4 or 5 carbon atoms (abbreviated to - (C1-C5) alkyl).
- a saturated, linear or branched, saturated aliphatic group which may comprise 1, 2, 3, 4 or 5 carbon atoms (abbreviated to - (C1-C5) alkyl).
- the group -Clalkyl the methyl group, such as (ii) -C 2 alkyl group, the ethyl group, such as (iii) -C 3 alkyl group, the n-propyl group and the isopropyl group.
- (iv) -C4alkyl group the n-butyl group, the group isobutyl and tertbutyl group, such as (v) -C 5 alkyl group, n-pentyl group and isopentyl group;
- a haloalkenyl group an alkyl group as defined above substituted with 1, 2, 3, 4 or 5 halogen atoms, as defined previously. Mention may be made, for example, of the -halogeno (C1 -C5) alkyl groups, with (C1-C5) alkyl as defined above, for example the trifluoromethyl group (abbreviated -CF 3 ) and the -CH 2 -CF 3 group. ;
- an alkylene group an alkyl group as defined above, divalent saturated, linear or branched, which may comprise 1, 2, 3, 4 or 5 carbon atoms (abbreviated
- an alkoxy group an -O-alkyl radical where the alkyl group is as previously defined.
- group -O-C1alkyl the groups -O- (C1-C5) alkyl or - (C1-C5) alkoxy, and in particular such as (i) group -O-C1alkyl, the group -Omethyl, such as (ii ) -O-C2alkyl group, -Oethyl group, such as (iii) -O-C3alkyl group, -Opropyl group and -Oisopropyl group, such as (iv) -O-C4alkyl group, -Obutyl group, - Oisobutyl and the group -Outbutyl, such as (v) -O-C5alkyl group, - Opentyl group, -Oisopentyl group and -Oneopentyl group;
- an aryloxy group an -O-aryl radical in which the aryl group is as defined below;
- an aryl group a cyclic aromatic group comprising 6, 7, 8, 9 or 10 carbon atoms.
- aryl groups mention may be made of the phenyl group (abbreviated to Ph), the naphthyl group and a -C 6 H 4 -alkyl group (with the alkyl radical, as defined above, in the ortho, meta or para of the aromatic nucleus). Mention may be made, as -C 6 H 4 -alkyl group, of the -C 6 H 4 -CH 3 groups with CH 3 in the ortho, meta or para position;
- an arylalkyl group an aryl group, as defined above, substituted with at least one alkyl group, as defined above.
- alkyl-aryl radicals There may be mentioned, for example, benzyl that is to say the radical -CH 2 -Ph;
- an alkoxy-alkyl group a radical of formula -alkylene-O-alkyl, in which the alkyl and alkylene groups, comprising the same number of carbon or not comprising the same number of carbon, are as defined previously.
- a radical of formula -alkylene-O-alkyl in which the alkyl and alkylene groups, comprising the same number of carbon or not comprising the same number of carbon, are as defined previously.
- an alkoxy-aryl group a radical of formula -alkylene-O-aryl, in which the aryl and alkylene groups, comprising the same number of carbon or not comprising the same number of carbon, are as defined previously.
- a heteroaryl group a cyclic aromatic group comprising 2, 3, 4 or 5 carbon atoms and comprising 1, 2 or 3 heteroatoms, which may be chosen from the nitrogen atom, oxygen atom and the sulfur atom, independently of one another, so as to be identical or different, when they are 2 or independently of each other, so as to be identical or different when they are 3 in number.
- pyridyl, furanyl and pyrrolyl groups There may be mentioned
- a cycloalkyl group a cyclic alkyl group which can have 3, 4, 5 or 6 carbon atoms, also abbreviated to (C 3 -C 6) cycloalkyl.
- C 3 -C 6 cycloalkyl group
- a heterocycloalkyl a cyclic alkyl group, optionally bridged, comprising 5, 6 or 7 carbon atoms and comprising 1, 2 or 3 heteroatoms which can be chosen, independently of one another, from to be identical or different, when they are 2 or independently of each other, so as to be identical or different, when there are 3, among the nitrogen atom, the atom of oxygen and the sulfur atom. Mention may especially be made of piperidinyl, piperazinyl, pyrrolidinyl, hexamethyleneimino, morpholinyl, 1,1-dioxydotetrahydrothienyl;
- an alkyleneaminoalkyl group a group of formula -alkylene-N (alkyl) 2 in which the alkylene and alkyl groups, comprising the same number of carbon or not comprising the same number of carbon, are as defined previously.
- the two alkyl groups may comprise a different number of carbon with respect to each other.
- an alkene group a group of formula -C n H 2n where n is a natural number greater than or equal to 2, which may be linear or branched and which is characterized by the presence of at least one covalent double bond between two of its carbon atoms include the ethylenic group, but-1,3-diene group;
- an alkane group a group of formula C n H 2n -2 0 ⁇ n is a natural number greater than or equal to 2, which may be linear or branched and which is characterized by the presence of at least one covalent triple bond between two of its carbon atoms.
- an acetylenic group a but-1-yne group or an acetylenic dimethyl group.
- - leaving group in the following, a group that can be easily cleaved from a molecule by breaking a heterolytic bond, with departure of an electronic pair. This group can thus be easily replaced by another group during a reaction of substitution, for example.
- Such leaving groups are, for example, halogens or an activated hydroxy group such as mesyl, tosyl, triflate, acetyl, etc. Examples of leaving groups as well as references for their preparation are given in Advances in Organic Chemistry, J. March, 3 rd Edition, Wiley Interscience, p. 310-316.
- the subject of the invention is, in particular, a process for synthesizing a compound of formula (I) for which G3 is -NH-SO2-Rc, G5 is ORb, this compound is called a ketosulfonamido derivative.
- G 1 represents a linear or branched (i) alkyl group, advantageously a C 1 -C 8 alkyl group, even more advantageously a C 1 -C 4 alkyl group such as, for example, a methyl, ethyl, n-propyl or isopropyl group, n butyl, sec-butyl or tert-butyl, (ii) haloalkyl, (iii) cycloalkyl, (iv) aryl, substituted or unsubstituted, (v) alkene or (vi) alkyne, advantageously G1 represents an alkyl group and even more advantageously G1 represents a methyl or n-butyl group;
- Ra represents a substituent chosen from hydrogen, halogen atoms, alkyl, haloalkyl, alkoxy and alkoxyalkyl groups, advantageously Ra represents a substituent chosen from the hydrogen atom, the halogen atoms and the halogen atoms; alkyl groups, even more advantageously Ra represents a hydrogen atom,
- n 0, 1, 2, 3 or 4, preferably n is 0, 1 or 4, and / or
- Rb represents a hydrogen atom, an alkyl, haloalkyl, aryl, arylalkyl, heteroaryl, cycloalkyl, heterocycloalkyl group or a -alkyleneaminoalkyl group, advantageously Rb is chosen from -alkyleneaminoalkyl groups, still more advantageously Rb represents a 3- (di) group; - n-butylamino) -propyl;
- Rc represents (a) a linear or branched alkyl group, advantageously a C1-C8 alkyl group, still more advantageously a C1-C4 alkyl group, such as, for example, a methyl, ethyl, n-propyl or isopropyl group; butyl, sec-butyl or tert-butyl, (b) a cycloalkyl group or (c) a substituted or unsubstituted aryl group, advantageously Rc represents an alkyl group or an aryl group, still more advantageously Rc represents a group -CH 3 ;
- G1 and Rc are as defined above and the group G2 is chosen
- halogen atoms the -OH group, alkoxy groups, aryloxy and -NRdRe with Rd and Re are identical or different and are selected independently from each other, from a hydrogen atom, the alkyl groups and the aryl groups, said aryl and alkyl groups being optionally substituted, advantageously G 2 is chosen from halogen atoms, even more advantageously G 2 is chosen from chlorine and bromine,
- the group G2 in the intermediate of formula (II) or (III) is chosen from -OH, -O-optionally substituted phenyl, chlorine and bromine.
- said ketosulfonamido-benzofuran derivative of formula (14) has a radical Ra which is a hydrogen atom, a n a which is equal to 4, a radical R c which is a methyl or phenyl group, a radical G 1 which is an n-butyl group and / or a radical Rb which is a group - (CH2) 3N [(CH 2 ) 3Cl-13] 2 or a group - (CH 2 ) 3 N + H [(CH 2 ) 3 CH 3 ] 2, Cr.
- said ketosulfonamido-benzofuran derivative of formula (14) is the dronedarone of formula (D) in free base or salt form, advantageously in the form of hydrochloride salt.
- Oxidizing agents of this oxidation reaction according to the invention may be mentioned:
- chromate reagents such as the collin reagent, Jones reagent; Ag 2 0, peroxides such as dicumyl peroxides, hydrogénoperoxide of cumyl; DMSO, DDQ (Dichlorodicyanoquinone), peracids such as chloroperbenzoic acid, other perbenzoic acids; hypervalent iodine reagent (Ph-I (OAc) 2, ...), hydrogen peroxide, oxygen (air), bleach, supported oxidants, electrolytic processes in, for example, solvents such as glacial acetic acid, ethyl acetate, acetone, acetonitrile, pyridine, chlorinated solvents such as chlorobenzene, dichloromethane, aromatic solvents such as benzene, linear or cyclic alkanes, water, DMSO, DMAP, carboxylic acids such as acetic acid.
- solvents such as glacial acetic acid, ethyl acetate
- a hot-conducted oxidation reaction with from 1 to 4 equivalents, for example about 1 to 4 equivalents of activated MnO 2 (relative to the initiated aminophenol) in benzene, or
- iodylbenzene C 6 H 5 IO 2
- a Lewis acid for example: vanadyl acetylacetonate
- Potassium or sodium dichromates are cheaper than lead tetracetate and less toxic.
- the oxidation reaction of the phenolic derivative (V) to p-quinone derivative (VI) is carried out with K 2 Cr 2 O 7 or MnO 2 as oxidizing agent in acetic acid.
- a coupling reaction of said Quinonimine derivative (VI) with a dicarbonyl derivative (VII) is carried out in the presence of a base, for example a strong base such as, for example, an alcoholate.
- a base for example a strong base such as, for example, an alcoholate.
- This reaction may take place for example in an aprotic solvent such as DMF or dioxane at room temperature.
- the dicarbonyl derivative (VIII) is then engaged in a cyclization reaction to give a benzodihydrofuran derivative (IX) which by dehydration will then lead to the aromatic derivative benzofuran (II).
- This reaction can take place for example in an aprotic solvent such as DMF or dioxane. Cyclization / dehydration may have leap in strong acid medium, for example using hot hydrochloric acid for 3 hours.
- cetobenzofuran derivative (I) is subsequently obtained from said aromatic intermediate benzofuran derivative (II) via either a friedel acylation pathway A and Crafts or via either a Fries rearrangement pathway B.
- the first part of the synthesis according to the invention consists of the synthesis of an intermediate (7).
- Said intermediate is the sulphonamido-benzofuran ester of formula (7) below:
- Rc and G1 are as defined above and R1 represents a hydrogen atom, an alkyl or an aryl, advantageously it is a methyl, an ethyl or a phenyl.
- This intermediate (7) can therefore be obtained at the end of the following successive steps, represented in diagram 3:
- the groups G1 and / or Rc of the compounds (2), (3), (4), (5), (6) and (7) of scheme 3 below are as defined for the ketobenzofuran of formula (I) according to the invention and R 1 is as defined for the compound (7) above.
- the sulfonylation reaction of p-aminophenol (1) to p-sulfonamidophenol (2) can be carried out using RcS (O) 2 CI, with Rc as defined above, in the presence of a base. J.Am.Chem.Soc, 1951, 73, 1 145-1 149 of R.Adams and JHLooker describes operating conditions for such sulfonylation and oxidation.
- Rc -CH 3
- Rc -C 6 H 5
- Rc -benzenesulphonamidophenol obtained from p-aminophenol (1) sulfonylated by benzenesulfonyl chloride in the presence of base.
- the solvent of the reaction may be chosen for example from methanol, ethanol, pyridine, dimethylformamide (abbreviated DMF), dichloromethane, chloroform, chlorobenzene, dichloroethane, benzene, toluene, ethyl acetate acetonitrile, acetone, tetrahydrofuran (abbreviated THF), dioxane, N-methylpyrrolidinone, advantageously it is chosen from pyridine, methanol, DMF and / V-methyl-pyrrolidinone.
- DMF dimethylformamide
- THF tetrahydrofuran
- the base may be chosen for example from pyridine, triethylamine, hydrogenocarbonates, potassium carbonate, sodium carbonate, sodium hydroxide, ammonia, advantageously potassium or sodium carbonate.
- the reaction is preferably conducted at a temperature below room temperature.
- RcS (O) 2 CI is methanesulfonyl chloride or benzenesulfonyl chloride.
- This sulfonylation reaction can advantageously be carried out with 1 equivalent of methanesulfonyl chloride cast between 10 ° C. and 15 ° C. on 2 equivalents of p-aminophenol suspended in a little more than 11 volumes of methanol (volume in ml / weight). in g of p-aminophenol).
- the second equivalent of p-aminophenol serves to capture the acid formed, the amino function acting as a base.
- This oxidation reaction can be conducted, for example, using:
- sodium or potassium dichromate (or K 2 Cr 2 O 7 ), advantageously using sodium dichromate monohydrate in sulfuric acid or acetic acid,
- iodyl-benzene C 6 H 5 I0 2 iodosylbenzene or (C 6 H 5 IO), preferably iodyl-benzene (C 6 H 5 I0 2) in the presence of a Lewis acid , such as for example vanadyl acetylacetonate, in benzene or toluene.
- a Lewis acid such as for example vanadyl acetylacetonate
- sodium or potassium dichromate advantageously K 2 Cr 2 O 7 in acetic acid, or activated manganese dioxide are used.
- the p-quinone monoimide (3) then undergoes a coupling reaction with:
- Suitable solvent for this coupling reaction is dioxane or acetone.
- Suitable alkoxides include, for example, sodium methanolate, lithium methanolate, sodium ethanolate and lithium ethanolate.
- the substituted aminophenol resulting from the preceding coupling, of formula (5) is then cyclized in an acidic medium, advantageously in the presence of hydrochloric acid, phosphoric acid, sulfuric acid, methanesulphonic acid, trifluoroacetic acid, acetic anhydride, leading after dehydration and aromatization to the sulfonamido-benzofuran ester (7).
- the second part of the synthesis can be done from the intermediate sulphonamido-benzofuran ester (7) via two possible routes: the channel A comprising a Friedel acylation step and Crafts or the B-channel comprising a rearrangement step Fries, shown in Figure 4 below both leading to the formation of cetobenzofuran (14) according to the invention.
- the synthesis process according to the invention is characterized in that the sulphonamido-benzofuran ester of formula (7) is engaged in a so-called Friedel-Crafts route as shown above in the diagram. 4 comprising successively a step:
- an acyl sulphonamido-benzofuran halide of formula (9) advantageously the acyl sulphonamido-benzofuran bromide of formula (9 ') or the sulphonamido-benzofuran acyl chloride of formula (9 ") from said sulphonamido-benzofuran acid (8);
- the sulphonamido-benzofuran ester intermediate (7) bearing in the 3-position an ester function is saponified with, for example, 10% by weight sodium hydroxide, giving the sulphonamido-benzofuran acid of formula ( 8) or its sodium salt shown in Scheme 4.
- This sulfonamido-benzofuran acid of formula (8) is then activated so as to be engageable with the ether aromatic intermediate (13) in a Friedel and Crafts acylation reaction. .
- This activation consists in converting the sulphonamido-benzofuran acid of formula (8) to the acyl sulphonamido-benzofuran halide of formula (9), advantageously the acyl sulphonamido-benzofuran bromide of formula (9 ') and the chloride of sulfonamido-benzofuran acyl of formula (9 ").
- the sulphonamido-benzofuran acid of formula (8) is converted into acyl sulphonamido-benzofuran chloride of formula (9 ") by reaction with thionyl chloride or oxalyl chloride.
- phenol (Rb H) (13), N, N-diethyl-N- (2-phenoxyethyl) amine in free base form, in the form of hydrochloride or any other salt thereof.
- the ether aromatic (13) can be obtained by reacting (i) the phenol with (ii) a compound RbX in which Rb is as defined above and X is a leaving group, advantageously a halogen, more preferably a chloride or a bromide, (iii) in the presence of a base, such as, for example, sodium hydroxide and then by transforming the etheraromatic salt (13) obtained in salt, advantageously into the hydrochloride salt.
- RbX is a tertiary amine halide, still more preferably RbX is CI- (CH 2 ) 3N [(CH 2) 3 CH 3 ] 2 or Br- (CH 2 ) 3 N [(CH 2) 3 CH 3 ] 2.
- the phenol coupling takes place with ⁇ - (3-chloropropyl) - ⁇ , ⁇ -dibutylamine yielding ⁇ , ⁇ -dibutyl- / ⁇ - (3-phenoxypropyl) amine.
- N, N-dibutyl- / N- (3-phenoxypropyl) amine is salified to / V, N-dibutyl- / N- (3-phenoxypropyl) amine hydrochloride.
- Lewis acids examples include SnCl 4 , AlCl 3 , FeCl 3 , TiCl 4 , BF 3 and Tf 2 O (triflic anhydride).
- the Friedel-Crafts acylation reaction of the ether-aromatic compound (13) in free base form takes place in the presence of SnCl 4 as the Lewis acid.
- the Friedel-Crafts acylation reaction of the ether-aromatic compound (13) as the hydrochloride takes place in the presence of AlCl 3 as a Lewis acid.
- the Friedel-Crafts acylation reaction can be carried out in a solvent of the dichloromethane, chlorobenzene, nitrobenzene, toluene or xylene type.
- the Friedel-Crafts acylation reaction has the advantage of deactivating the nucleus aromatics involved in this reaction, thus preventing multiple acylations.
- ketosulfonamido-benzofuran derivatives of formula (I) according to the invention and in particular of ketosulfonamido-benzofuran derivatives of formula (14), such as the dronedarone of formula (D), can also be carried out by a rearrangement of Fries according to route B described below.
- PATH B Rearranging Fries
- the synthesis process according to the invention is characterized in that the sulphonamido-benzofuran ester of formula (5) is engaged in a so-called Friesian B-lane as represented in diagram 4 above. comprising successively a step:
- the reaction of Fries takes place with the intermediate of formula (7d) for which G1 represents a n-butyl group leading to the formation of the compound (12d) which after nucleophilic substitution with CI (CH 2 ) 3N (Bu 2 leads to the formation of dronedarone of formula (D).
- the dronedarone can then be easily converted into pharmaceutically acceptable salts by addition to organic or inorganic acids as defined above, in particular hydrochloride salts by reaction with 36% hydrochloric acid hydrochloric acid at a temperature below 50 ° C.
- the reaction of Fries can take place for example in a solvent such as chlorobenzene with 4 equivalents of AlCl 3 aluminum chloride at a temperature of about 90-95 ° C for 13 to 17 hours.
- NMR spectra are carried out on a Fourier Transform Spectrometer (BRUKER) at 300 MHz (unregistered exchangeable protons);
- Solvent mixtures are quantified in volumetric ratios
- HPLC conditions are as follows:
- PCE dichloroethane
- PCM dichloromethane
- the / V, / V-diethyl- / V- (phenoxyethyl) amine hydrochloride is formed by dissolving 35 g (0.181 moles) of the former r / V, ⁇ -diethyl- / V- (phenoxyethyl) amine in 450 ml of Anhydrous MTBE and then bubbling 7 g (0.181 mol) of gaseous hydrochloric acid into the medium.
- the precipitate formed is isolated by filtration and dried in a ventilated oven at 55 ° C. for 3 h and gives 40 g of ⁇ -N, ⁇ -diethyl- / ⁇ - (phenoxyethyl) amine hydrochloride.
- the crude product is purified by dissolution in 50 ml of DCE and washed with 40 ml of 10% sodium hydroxide and 50 ml of water and finally the crude product thus obtained is purified by chromatography on silica, eluent ethyl acetate (90%). ) / methanol (10v). 2.2 g of Dronedarone are obtained at 94.6% purity.
- Example 14 Synthesis of phenyl 2-butyl-5-methanesulfonamido-benzofuran-3-carboxylate (or phenyl-2-butyl-5- (methanesulfonamido) benzofuran-3-carboxylate)
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Abstract
Description
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1152453A FR2973027A1 (fr) | 2011-03-24 | 2011-03-24 | Procede de synthese de derives de cetobenzofurane |
| FR1155610A FR2973028A1 (fr) | 2011-03-24 | 2011-06-24 | Procede de synthese de derives de cetobenzofurane |
| PCT/FR2012/050607 WO2012127174A1 (fr) | 2011-03-24 | 2012-03-23 | Procede de synthese de derives de cetobenzofurane |
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| EP2688879A1 true EP2688879A1 (fr) | 2014-01-29 |
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| EP12717365.6A Withdrawn EP2688879A1 (fr) | 2011-03-24 | 2012-03-23 | Procede de synthese de derives de cetobenzofurane |
| EP12717364.9A Withdrawn EP2688878A1 (fr) | 2011-03-24 | 2012-03-23 | Procede de synthese de derives de cetobenzofurane |
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| US (2) | US20140018553A1 (fr) |
| EP (2) | EP2688879A1 (fr) |
| JP (2) | JP2014516345A (fr) |
| KR (2) | KR20140018941A (fr) |
| CN (2) | CN103562193A (fr) |
| AU (2) | AU2012232897A1 (fr) |
| BR (2) | BR112013024156A2 (fr) |
| CA (2) | CA2828731A1 (fr) |
| FR (2) | FR2973027A1 (fr) |
| MX (2) | MX2013010993A (fr) |
| RU (2) | RU2013147413A (fr) |
| SG (2) | SG193506A1 (fr) |
| WO (2) | WO2012127173A1 (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUP0900759A2 (en) | 2009-12-08 | 2011-11-28 | Sanofi Aventis | Novel process for producing dronedarone |
| HUP1000010A2 (en) | 2010-01-08 | 2011-11-28 | Sanofi Sa | Process for producing dronedarone |
| FR2957079B1 (fr) | 2010-03-02 | 2012-07-27 | Sanofi Aventis | Procede de synthese de derives de cetobenzofurane |
| FR2958290B1 (fr) | 2010-03-30 | 2012-10-19 | Sanofi Aventis | Procede de preparation de derives de sulfonamido-benzofurane |
| FR2958291B1 (fr) | 2010-04-01 | 2013-07-05 | Sanofi Aventis | Procede de preparation de derives d'amino-benzofurane |
| HUP1000330A2 (en) | 2010-06-18 | 2011-12-28 | Sanofi Sa | Process for the preparation of dronedarone and the novel intermediates |
| FR2962731B1 (fr) | 2010-07-19 | 2012-08-17 | Sanofi Aventis | Procede de preparation de derives d'amino-benzoyl-benzofurane |
| FR2963006B1 (fr) | 2010-07-21 | 2013-03-15 | Sanofi Aventis | Procede de preparation de derives de nitro-benzofurane |
| HUP1000386A2 (en) | 2010-07-22 | 2012-05-29 | Sanofi Sa | Novel process for producing dronedarone |
| HUP1100165A2 (en) | 2011-03-29 | 2012-12-28 | Sanofi Sa | Process for preparation of dronedarone by n-butylation |
| HUP1100167A2 (en) | 2011-03-29 | 2012-11-28 | Sanofi Sa | Process for preparation of dronedarone by mesylation |
| FR2983198B1 (fr) | 2011-11-29 | 2013-11-15 | Sanofi Sa | Procede de preparation de derives de 5-amino-benzoyl-benzofurane |
| EP2617718A1 (fr) | 2012-01-20 | 2013-07-24 | Sanofi | Procédé de préparation de dronédarone à l'aide d'un réactif dibutylaminopropanol |
| US9221778B2 (en) | 2012-02-13 | 2015-12-29 | Sanofi | Process for preparation of dronedarone by removal of hydroxyl group |
| WO2013121234A1 (fr) | 2012-02-14 | 2013-08-22 | Sanofi | Procédé de préparation de dronédarone par oxydation d'un groupe sulphényle |
| WO2013124745A1 (fr) | 2012-02-22 | 2013-08-29 | Sanofi | Procédé pour la préparation de dronédarone par l'oxydation d'un groupe hydroxyle |
| WO2013178337A1 (fr) | 2012-05-31 | 2013-12-05 | Sanofi | Procédé pour la préparation de dronédarone par réaction de grignard |
| TW201536763A (zh) | 2013-08-27 | 2015-10-01 | Gilead Sciences Inc | 製備決奈達隆或其鹽類之製程 |
| RU2656208C1 (ru) * | 2017-11-03 | 2018-06-01 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский государственный национальный исследовательский университет" | Способ получения производных 4-(бензофуран-2-ил)бутан-2-она |
| CN113214199B (zh) * | 2021-04-28 | 2023-03-10 | 江西师范大学 | 一种苯并呋喃-3-氧代羧酸酯类化合物的合成方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2665444B1 (fr) | 1990-08-06 | 1992-11-27 | Sanofi Sa | Derives d'amino-benzofuranne, benzothiophene ou indole, leur procede de preparation ainsi que les compositions les contenant. |
| FR2817864B1 (fr) * | 2000-12-11 | 2003-02-21 | Sanofi Synthelabo | Derive de methanesulfonamido-benzofurane, son procede de preparation et son utilisation comme intermediaire de synthese |
| IL146389A0 (en) * | 2001-11-08 | 2002-07-25 | Isp Finetech Ltd | Process for the preparation of dronedarone |
| FR2864536B1 (fr) * | 2003-12-24 | 2006-03-17 | Clariant France Sa | Procede de preparation de n-alkyl-2 (hydroxy-4-benzoyl)-3 benzofurannes et intermediaires pour sa mise en oeuvre |
| US20070203209A1 (en) * | 2005-08-18 | 2007-08-30 | Wilmin Bartolini | Useful indole compounds |
| GB0611210D0 (en) * | 2006-06-07 | 2006-07-19 | Cambrex Karlskoga Ab | Process |
| CN101153012B (zh) * | 2006-09-29 | 2010-06-23 | 北京德众万全药物技术开发有限公司 | 一种决奈达隆关键中间体的新的制备方法 |
| GB0719180D0 (en) * | 2007-10-02 | 2007-11-14 | Cambrex Karlskoga Ab | New process |
| US8143269B2 (en) * | 2008-10-03 | 2012-03-27 | Calcimedica, Inc. | Inhibitors of store operated calcium release |
-
2011
- 2011-03-24 FR FR1152453A patent/FR2973027A1/fr active Pending
- 2011-06-24 FR FR1155610A patent/FR2973028A1/fr not_active Withdrawn
-
2012
- 2012-03-23 KR KR1020137027673A patent/KR20140018941A/ko not_active Withdrawn
- 2012-03-23 AU AU2012232897A patent/AU2012232897A1/en not_active Abandoned
- 2012-03-23 MX MX2013010993A patent/MX2013010993A/es not_active Application Discontinuation
- 2012-03-23 KR KR1020137027675A patent/KR20140015483A/ko not_active Withdrawn
- 2012-03-23 BR BR112013024156A patent/BR112013024156A2/pt not_active IP Right Cessation
- 2012-03-23 JP JP2014500456A patent/JP2014516345A/ja active Pending
- 2012-03-23 AU AU2012232898A patent/AU2012232898A1/en not_active Abandoned
- 2012-03-23 MX MX2013010992A patent/MX2013010992A/es not_active Application Discontinuation
- 2012-03-23 SG SG2013069968A patent/SG193506A1/en unknown
- 2012-03-23 US US14/006,787 patent/US20140018553A1/en not_active Abandoned
- 2012-03-23 CA CA2828731A patent/CA2828731A1/fr not_active Abandoned
- 2012-03-23 RU RU2013147413/04A patent/RU2013147413A/ru not_active Application Discontinuation
- 2012-03-23 CN CN201280025021.8A patent/CN103562193A/zh active Pending
- 2012-03-23 RU RU2013147400/04A patent/RU2013147400A/ru not_active Application Discontinuation
- 2012-03-23 BR BR112013023064A patent/BR112013023064A2/pt not_active IP Right Cessation
- 2012-03-23 EP EP12717365.6A patent/EP2688879A1/fr not_active Withdrawn
- 2012-03-23 CN CN201280025055.7A patent/CN103562194A/zh active Pending
- 2012-03-23 WO PCT/FR2012/050606 patent/WO2012127173A1/fr not_active Ceased
- 2012-03-23 CA CA2828389A patent/CA2828389A1/fr not_active Abandoned
- 2012-03-23 SG SG2013069950A patent/SG193913A1/en unknown
- 2012-03-23 EP EP12717364.9A patent/EP2688878A1/fr not_active Withdrawn
- 2012-03-23 WO PCT/FR2012/050607 patent/WO2012127174A1/fr not_active Ceased
- 2012-03-23 US US14/006,027 patent/US8962869B2/en active Active
- 2012-03-23 JP JP2014500457A patent/JP2014510092A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012127174A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140018941A (ko) | 2014-02-13 |
| JP2014510092A (ja) | 2014-04-24 |
| JP2014516345A (ja) | 2014-07-10 |
| RU2013147413A (ru) | 2015-04-27 |
| RU2013147400A (ru) | 2015-04-27 |
| WO2012127173A1 (fr) | 2012-09-27 |
| US8962869B2 (en) | 2015-02-24 |
| US20140046078A1 (en) | 2014-02-13 |
| FR2973028A1 (fr) | 2012-09-28 |
| BR112013024156A2 (pt) | 2016-08-09 |
| CA2828731A1 (fr) | 2012-09-27 |
| SG193913A1 (en) | 2013-11-29 |
| BR112013023064A2 (pt) | 2016-07-26 |
| AU2012232898A1 (en) | 2013-10-10 |
| CN103562193A (zh) | 2014-02-05 |
| EP2688878A1 (fr) | 2014-01-29 |
| SG193506A1 (en) | 2013-10-30 |
| FR2973027A1 (fr) | 2012-09-28 |
| AU2012232897A1 (en) | 2013-10-10 |
| CA2828389A1 (fr) | 2012-09-27 |
| WO2012127174A1 (fr) | 2012-09-27 |
| MX2013010992A (es) | 2013-10-17 |
| MX2013010993A (es) | 2013-10-17 |
| KR20140015483A (ko) | 2014-02-06 |
| CN103562194A (zh) | 2014-02-05 |
| US20140018553A1 (en) | 2014-01-16 |
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