HRP20030174A2 - Method for the production of imidazo-(1,2-c)(2,3)-benzodiazepines and intermediates in the production thereof - Google Patents
Method for the production of imidazo-(1,2-c)(2,3)-benzodiazepines and intermediates in the production thereof Download PDFInfo
- Publication number
- HRP20030174A2 HRP20030174A2 HR20030174A HRP20030174A HRP20030174A2 HR P20030174 A2 HRP20030174 A2 HR P20030174A2 HR 20030174 A HR20030174 A HR 20030174A HR P20030174 A HRP20030174 A HR P20030174A HR P20030174 A2 HRP20030174 A2 HR P20030174A2
- Authority
- HR
- Croatia
- Prior art keywords
- halogen
- alkoxy
- general formula
- alkyl
- hydroxy
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- 239000000543 intermediate Substances 0.000 title abstract 2
- JENALEDAZIFLGS-UHFFFAOYSA-N 3h-imidazo[1,2-c][2,3]benzodiazepine Chemical class C1=NN2CC=NC2=CC2=CC=CC=C21 JENALEDAZIFLGS-UHFFFAOYSA-N 0.000 title description 3
- 229940049706 benzodiazepine Drugs 0.000 claims abstract description 15
- 150000001557 benzodiazepines Chemical class 0.000 claims abstract 2
- -1 C1C6-alkyl Chemical group 0.000 claims description 43
- 229910052736 halogen Inorganic materials 0.000 claims description 32
- 150000002367 halogens Chemical group 0.000 claims description 32
- 239000000126 substance Substances 0.000 claims description 29
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 239000001257 hydrogen Substances 0.000 claims description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- 150000002431 hydrogen Chemical group 0.000 claims description 15
- SVUOLADPCWQTTE-UHFFFAOYSA-N 1h-1,2-benzodiazepine Chemical compound N1N=CC=CC2=CC=CC=C12 SVUOLADPCWQTTE-UHFFFAOYSA-N 0.000 claims description 13
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 13
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 229960003424 phenylacetic acid Drugs 0.000 claims description 8
- 239000003279 phenylacetic acid Substances 0.000 claims description 8
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 125000003601 C2-C6 alkynyl group Chemical group 0.000 claims description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 238000005886 esterification reaction Methods 0.000 claims description 5
- WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical compound OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 claims description 5
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 5
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 4
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims description 4
- 239000005695 Ammonium acetate Substances 0.000 claims description 4
- 235000019257 ammonium acetate Nutrition 0.000 claims description 4
- 229940043376 ammonium acetate Drugs 0.000 claims description 4
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000032050 esterification Effects 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 238000006698 hydrazinolysis reaction Methods 0.000 claims description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 150000007978 oxazole derivatives Chemical class 0.000 claims description 2
- 150000002916 oxazoles Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 8
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims 3
- 239000011877 solvent mixture Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 18
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 5
- 238000009838 combustion analysis Methods 0.000 description 5
- 125000006237 oxymethylenoxy group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 4
- ROWKJAVDOGWPAT-UHFFFAOYSA-N Acetoin Chemical compound CC(O)C(C)=O ROWKJAVDOGWPAT-UHFFFAOYSA-N 0.000 description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000012043 crude product Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 150000008282 halocarbons Chemical class 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 239000013067 intermediate product Substances 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- OIGGSIARGHWJMU-UHFFFAOYSA-N [6-[(4,5-dimethyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]-phenylmethanone Chemical compound O1C(C)=C(C)N=C1CC(C(=C1)C(=O)C=2C=CC=CC=2)=CC2=C1OCO2 OIGGSIARGHWJMU-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 125000006413 ring segment Chemical group 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- JQBDDLGPUVYGQX-UHFFFAOYSA-N (4-chlorophenyl)-[6-[(4,5-dimethyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]methanone Chemical compound O1C(C)=C(C)N=C1CC(C(=C1)C(=O)C=2C=CC(Cl)=CC=2)=CC2=C1OCO2 JQBDDLGPUVYGQX-UHFFFAOYSA-N 0.000 description 1
- 125000006728 (C1-C6) alkynyl group Chemical group 0.000 description 1
- 125000006552 (C3-C8) cycloalkyl group Chemical group 0.000 description 1
- 125000001766 1,2,4-oxadiazol-3-yl group Chemical group [H]C1=NC(*)=NO1 0.000 description 1
- 125000004505 1,2,4-oxadiazol-5-yl group Chemical group O1N=CN=C1* 0.000 description 1
- 125000004509 1,3,4-oxadiazol-2-yl group Chemical group O1C(=NN=C1)* 0.000 description 1
- KPZGRMZPZLOPBS-UHFFFAOYSA-N 1,3-dichloro-2,2-bis(chloromethyl)propane Chemical compound ClCC(CCl)(CCl)CCl KPZGRMZPZLOPBS-UHFFFAOYSA-N 0.000 description 1
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- PDQRQJVPEFGVRK-UHFFFAOYSA-N 2,1,3-benzothiadiazole Chemical compound C1=CC=CC2=NSN=C21 PDQRQJVPEFGVRK-UHFFFAOYSA-N 0.000 description 1
- 125000004105 2-pyridyl group Chemical group N1=C([*])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000000175 2-thienyl group Chemical group S1C([*])=C([H])C([H])=C1[H] 0.000 description 1
- 125000003349 3-pyridyl group Chemical group N1=C([H])C([*])=C([H])C([H])=C1[H] 0.000 description 1
- 125000001541 3-thienyl group Chemical group S1C([H])=C([*])C([H])=C1[H] 0.000 description 1
- 125000000339 4-pyridyl group Chemical group N1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- XZFQOTHDCHWPJJ-UHFFFAOYSA-N [6-[(4,5-diethyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]-phenylmethanone Chemical compound O1C(CC)=C(CC)N=C1CC(C(=C1)C(=O)C=2C=CC=CC=2)=CC2=C1OCO2 XZFQOTHDCHWPJJ-UHFFFAOYSA-N 0.000 description 1
- XXWGDWGOBGFWIO-UHFFFAOYSA-N [6-[(4,5-dimethyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]-(4-methoxyphenyl)methanone Chemical compound C1=CC(OC)=CC=C1C(=O)C(C(=C1)CC=2OC(C)=C(C)N=2)=CC2=C1OCO2 XXWGDWGOBGFWIO-UHFFFAOYSA-N 0.000 description 1
- MUHVQWIMGRVRNG-UHFFFAOYSA-N [6-[(4,5-dimethyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]-(4-nitrophenyl)methanone Chemical compound O1C(C)=C(C)N=C1CC(C(=C1)C(=O)C=2C=CC(=CC=2)[N+]([O-])=O)=CC2=C1OCO2 MUHVQWIMGRVRNG-UHFFFAOYSA-N 0.000 description 1
- TXTKHSHSGWRXEX-UHFFFAOYSA-N [6-[(4,5-diphenyl-1,3-oxazol-2-yl)methyl]-1,3-benzodioxol-5-yl]-phenylmethanone Chemical compound C=1C=2OCOC=2C=C(CC=2OC(=C(N=2)C=2C=CC=CC=2)C=2C=CC=CC=2)C=1C(=O)C1=CC=CC=C1 TXTKHSHSGWRXEX-UHFFFAOYSA-N 0.000 description 1
- TUCNEACPLKLKNU-UHFFFAOYSA-N acetyl Chemical compound C[C]=O TUCNEACPLKLKNU-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000003310 benzodiazepinyl group Chemical class N1N=C(C=CC2=C1C=CC=C2)* 0.000 description 1
- 125000000499 benzofuranyl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- CHIHQLCVLOXUJW-UHFFFAOYSA-N benzoic anhydride Chemical compound C=1C=CC=CC=1C(=O)OC(=O)C1=CC=CC=C1 CHIHQLCVLOXUJW-UHFFFAOYSA-N 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([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
- 238000010586 diagram Methods 0.000 description 1
- 229940113088 dimethylacetamide Drugs 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000007857 hydrazones Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 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
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 125000005956 isoquinolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003138 primary alcohols Chemical class 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000004426 substituted alkynyl group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D263/00—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
- C07D263/02—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
- C07D263/30—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D263/32—Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/60—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/06—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D491/00—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00
- C07D491/12—Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D451/00 - C07D459/00, C07D463/00, C07D477/00 or C07D489/00 in which the condensed system contains three hetero rings
- C07D491/14—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
- Plural Heterocyclic Compounds (AREA)
Description
Ovaj se izum odnosi na novi postupak dobivanja imidazo[1,2-c][2,3]benzodiazepina opće formule (1) kao i na nove intermedijerne produkte u rečenom postupku,
[image]
koji su naznačeni slijedećim parametrima
R1 = vodik, C1-C6 alkil, nitro, halogen, cijano, C1-C4-alkoksi,-CF3 hidroksi ili C1-C6-alkanoiloksi,
R2 i R3 su jednaki ili različiti, a predstavljaju vodik, halogen, C1C6-alkoksi, hidroksi, cijano, C1C6alkanoil, C2C6alkinil, C2C6alkenil; opcionalno halogen-, hidroksil- ili C1-6-alkoksi-supstituirani C1C6-alkil, C3-C7-cikloalkil; ili aril ili hetaril radikal koji je opcionalno supstituiran s halogenom, C14alkoksi ili C14alkilom,
KS = vodik ili halogen,
I = C1C6alkoksi, ili
KS i I zajedno predstavljaju –O(CH2)nO s time da vrijedi n = 1, 2 ili 3.
Izum također podrazumijeva nove intermedijerne produkte u dobivanju farmakološki aktivnih supstanci, te i podrazumijeva derivate feniloctene kiseline opće formule 5,
[image]
koja je naznačena slijedećim parametrima
R1 = vodik, C1C6alkil, nitro, halogen, cijano, C14alkoksi, CF3 hidroksi ili C1C6alkanoiloksi,
R2 i R3 su jednaki ili različiti, i predstavljaju vodik, halogen, C1C6alkoksi, hidroksi, cijano, C1C6alkanoil, C2C6alkinil, C2C6alkenil; C1C6alkil ili C3C7cicloalkil opcionalno supstituiran sa halogenom, hidroksi ili C16alkoksi, ili pak aril ili hetaril radikal koji je opcionalno supstituiran sa halogenom, C14alkoksi ili C14alkilom,
KS = vodik ili halogen,
I = C1C6alkoksi ili
KS i I zajedno predstavljaju –O(CH2)nO s time da vrijedi n = 1, 2 ili 3,
i
oksazol derivati opće formule 6,
[image]
koja je naznačena slijedećim parametrima
R1 = vodik, C1C6alkil, nitro, halogen, cijano, C1C4alkoksi, CF3, hidroksi ili C1C6alkanoiloksi,
R2 i R3 su jednaki ili različiti, i predstavljaju vodik, halogen, C1C6alkoksi, hidroksi, cijano, C1C6alkanoil, C2C6alkinil, C2C6alkenil; C1C6alkil ili C3C7cikloalkil opcionalno supstituiran sa halogenom, hidroksi ili C16alkoksi, ili pak aril ili hetaril radikal opcionalno supstituiran sa halogenom, C14alkoksi ili C1-4alkil om,
KS = hidrogen ili halogen,
I = C1C6alkoksi ili
KS i I zajedno predstavljaju –O(CH2)nO s time da vrijedi n = 1, 2 ili 3.
Radikali u općim formulama imaju slijedeća značenja:
C1C6alkil je definiran u svakom pojedinačnom slučaju kao ravnolančani ili razgranati alkil radikal, kao što je primjerice metil, etil, propil, izopropil, butil, izobutil, sek.-butil, pentil, izopentil ili heksil.
R2 i R3 u značenju C2C6alkenila podrazumijevaju u svakom pojedinom slučaju barem jednu dvostruku vezu kao što je primjerice vinil, propenil, buten-1-il, izobutenil, penten-1-il, 2,2,-dimetil-buten-1-il, 3metilbuten1il ili heksen-1-il.
Kada su R2 i R3 C1-C6-alkinil, prisutna je barem jedna trostruka veza, kao što je primjerice etinil, propinil, butin-1-il, butin-2-il, pentil-1-il, pentil-2-il, 3-metilbutin-1-il ili heksin-1-il. Gore rečeni alkenil ili alkinil radikali mogu opcionalno biti supstituirani s atomima halogena. Ako je prisutan halogenirani alkil radikal, spoj može biti halogeniran na jednom ili više mjesta, no može također biti i perhalogeniran, kao što je primjerice CF3.
Između gore rečenih radikala, halogen se definira kao atom fluora, klora, broma i joda.
R2 i R3 u značenju aril i hetaril radikala mogu biti opcionalno supstituirani na jednom, dva ili tri mjesta s halogenom, C14-alkoksi-, ili C1-4-alkil radikalima; s tim da su sve permutacije moguće.
Aril i hetaril radikali mogu biti prisutni kao monocikličke ili bicikličke supstance koje sadržavaju 5-12 atoma u prstenu, preferabilno 5-9 atoma u prstenu, kao što su primjerice fenil, bifenil, naftil ili indenil kao aril radikal, te tienil, furil, piranil, pirolil, pirazolil, piridil, pirimidil, piridazinil, oksazolil, izooksazolil, tiazolil, izotioazolil, 1,3,4oksadiazol2il, 1,2,4-oksadiazol5il, 1,2,4oksadiazol3il, kvinolil, izokvinolil, benzo[1]tienil ili benzofuranil kao hetaril radikal, sadržavajući 13 heteroatoma, kao što su primjerice sumpor, kisik i/ili dušik. Preferiraju se radikali 2tienil, 3tienil, piridin2il, piridin3il, piridin4il i fenil.
Sa R2 i R3 u značenju C3C8cikloalkila, podrazumijevaju se primjerice ciklopropil, ciklobutil, ciklopentil, cikloheksil i cikloheptil kao radikali.
Kao C1C6alkanoil radikali pogodni su u svakom slučaju ravnolančani ili razgranati alifatski radikali karboksilne kiseline, kao što su primjerice formil, acetil, propinoil, butanoil, izopropilkarbonil, kaproil, valeroil ili trimetilacetil.
R1 preferabilno predstavlja vodik, klor, nitro, metoksi; R2 i R3 preferabilno predstavljaju vodik, ili C1-4alkil ili fenil; KS i I zajedno preferabilno predstavljaju –OCH2O.
Postupak dobivanja supstanci opće formule 1 se opisuje u WO 97/28163.
Predmet razmatranja ovog izuma je novitetni postupak sinteze supstanci opće formule 1. Također su predmet razmatranja ovog izuma novi, prethodno nepoznati intermedijerni produkti općih formula 5 i 6, koji bivaju procesuirani u okvirima postupaka sinteze i mogu se koristiti per se ili pak biti derivatizirani kao startni materijali u sintezi drugih ciljnih molekula.
Ovaj je cilj postignut i prikazan kroz patentne zahtjeve.
Kroz postupak u skladu s ovim izumom, nekoliko dodatnih intermedijernih faza biva procesuirano u već poznatom postupku sinteze. Broj koraka purifikacije je znatno smanjen, a povećan je udio produkta. Postupak koji se razmatra u kontekstu ovog izuma omogućava dobivanje supstanci formule I u industrijskim uvjetima.
Izum stoga podrazumijeva postupak dobivanja imidazo[1,2c][2,3]benzodiazepina opće formule 1 koji su naznačeni time da R1, R2 i R3 kao i KS i I imaju gore navedena značenja,
iz feniloctenih kiselina opće formule 4,
[image]
koja je naznačena time da KS, I i R1 imaju naprijed navedena značenja,
a) bi-esterifikacija s alkoholom formule 5a
[image]
da bi se formirao fenilocteni ester opće formule 5,
[image]
koji je naznačen slijedećim parametrima
KS, I, R1, R2 i R3 imaju naprijed navedena značenja,
b) bi-kondenzacija s amonijakom ili pak da je amonijak donor za dobivanje oksazola opće formule 6,
[image]
koji je naznačen slijedećim parametrima
KS, I, R1, R2 i R3 imaju naprijed navedena značenja, i neposredno potom slijedi hidrazinoliza u svrhu dobivanja supstanci opće formule 1.
Imidazo[1,2-c][2,3]benzodiazepini opće formule 1 bivaju sintetizirani u skladu s Dijagramom 1.
Dijagram 1
[image]
Reakcija supstance opće formule 2 u svrhu dobivanja supstance opće formule 3 biva izvedena u skladu sa postupkom koji je poznat iz okvira struke (primjerice J. Chem. Soc., Perkin Trans. 1, 1991, 169 – 173) iz Friedel-Crafts reakcije. Tako primjerice supstance opće formule 2 bivaju dovedene u reakciju u prisustvu Lewis kiselina, kao što su primjerice kositreni tetraklorid, aluminij triklorid, titan tetraklorid; sa acilirajućim reagensom kao što je primjerice benzoil klorid, anhidrid benzoične kiseline ili nekim drugim aktiviranim derivatom karboksilne kiseline. Značajno povećanje udjela produkta biva postignuto kada se u reakcijsku smjesu dodaje dodatna količina N,N-dimetil acetamida. Kao otapalo se mogu koristiti halogenirani ugljikovodici kao što su primjerice metilen klorid ili etilen klorid i njihove smjese. Reakcije biva izvedena na temperaturi od –30° do 50°C, no preferirani temperaturni razmak je 0° do 25°C.
Reakcija supstance opće formule 3 u formiranju supstance opće formule 4 biva izvedena u skladu s postupkom reakcije saponifikacije koji je poznat iz struke. Primjerice supstanca opće formule 3 se zagrijava u prisustvu baze kao što je alkalni hidroksid, no preferira se natrij hidroksid, u otapalu kao što je primjerice niži, preferabilno primarni alkohol ili voda, ili pak njihova smjesa. Reakcije se izvodi na temperaturi od 25° do 150°C, preferabilno od 70° do 110°C.
Reakcija supstance opće formule 4 u oblikovanju supstance formule 5 biva izvedena u skladu sa postupkom esterifikacije koji je poznat iz struke. Primjerice supstanca opće formule 4 biva dovedena u reakciju u prisustvu aktivirajućeg reagensa kao što je npr. karbonildiimidazol, i alkohola formule
[image]
kao što je primjerice 3-hidroksi-2-butanon. Kao otapala se mogu koristiti halogenirani ugljikovodici kao što su primjerice metilen klorid ili etilen klorid, kao i THF, te također i njihove smjese. Reakcija biva izvedena na temperaturi od -20° do 100°C, preferabilno od 0° do 25°C.
Nekome iz okvira struke, bit će poznata činjenica da R2 i R3 mogu biti varirani u supstancama opće formule 5, u skladu sa standardnim metodama. To se može izvesti uz korištenje drugih alkohola u koraku esterifikacije, no također i putem re-esterifikacije estera koji je već prisutan. R2 i R3 mogu tako predstavljati vodik, halogen, alkoksi, hidroksi, cijano, alkanoil, opcionalno supstituirani alkinil, opcionalno supstituirani alkenil; alkil ili cikloalkil koji je opcionalno supstituiran s atomom halogena, hidroksi ili alkoksi; ili pak opcionalno supstituirani aril ili hetaril radikal.
Reakcija supstance opće formule 5 u oblikovanju supstance opće formule 6 biva izvedena u skladu sa postupkom koji je poznat u okvirima struke, u svrhu dobivanja oksazola putem kondenzacije dvije karbonilne grupe s amonijakom. Primjerice supstanca opće formule 5 se dovodi u reakciju u prisustvu amonij acetata, amonijaka, otopine amonijaka ili nekog drugog oblika donora amonijaka kao što je primjerice acetamid ili formamid u prisustvu octene kiseline. Kao otapala se mogu koristiti halogenirani ugljikovodici kao što su npr. metilen klorid ili etilen klorid; organske kiseline kao što su npr. formilna kiselina ili octena kiselina, kao i niži alkoholi kao što su npr. metanol ili etanol, no također i etilen glikol i njihove smjese. Reakcija biva izvedena na temperaturi od 0° do 150°C, no preferira se temperaturni raspon od 50° do 100°C.
Reakcija supstance opće formule 6 u svrhu dobivanja supstance opće formule 1 biva izvedena u skladu sa postupkom koji je poznat u okvirima struke, hidrazinolizom ili formiranjem hidrazona. Primjerice supstanca opće formule 6 se uvodi u reakciju u prisustvu hidrazina ili hidrazin-hidrata. Kao otapala se koriste halogenirani ugljikohidrati kao što su npr. metilen klorid ili etilen klorid, organske kiseline kao što su npr. formilna kiselina ili octena kiselina, kao i niži alkoholi kao što su npr. metanol ili etanol, no također i etilen glikol i njihove smjese. Reakcija biva izvedena na temperaturi od 0° do 200°C, no preferira se temperaturni raspon od 80° do 120°C. Moguća je također i reakcijska shema koja podrazumijeva korištenje autoklava.
Reakcija supstance opće formula 5 u svrhu formiranja supstance formule 1 se također izvodi u jednoj posudi. Primjerice supstance opće formule 5 se uvodi u reakciju u prisustvu amonij acetata, amonijaka, otopine amonijaka ili nekog drugog oblika donora amonijaka kao što je primjerice acetamid ili formamid u prisustvu octene kiseline. Kao otapala se koriste halogenirani ugljikohidrati kao što su npr. metilen klorid ili etilen klorid, organske kiseline kao što su npr. formilna kiselina ili octena kiselina, kao i niži alkoholi kao što su npr. metanol ili etanol, no također i etilen glikol i njihove smjese. Reakcija biva izvedena na temperaturi od 0° do 150°C, no preferira se temperaturni raspon od 50° do 100°C. Nakon što je reakcija završena dodaju se hidrazin ili hidrazin-hidrat u reakcijsku smjesu. Reakcija biva izvedena na temperaturi od 0° do 200°C, no preferira se temperaturni raspon od 80° do 120°C. Moguća je također i reakcijska shema koja podrazumijeva korištenje autoklava.
Ako dobivanje startne supstance nije opisano, radi se o slučaju da je supstanca ili dobro poznata, ili da se dobiva na način koji je analogan poznatom postupku ili postupku koji se ovdje opisuje. U nastavku se iznose postupci u skladu sa kontekstom razmatranja ovog izuma koji su odabrani u svrhu iznošenja primjera.
Primjeri:
2-Benzoil-4,5-(metilendioksi)-feniloctena kiselina metil ester (3)
79 ml kositrenog tetraklorida i 25 ml N,N’-dimetilacetamida u 270 ml metilen klorida se miješa na sobnoj temperaturi sa 39 ml benzoil klorida. Potom se u rečenu smjesu dodaje kapljično 44 g 4,5-(metilendioksi)-feniloctena kiselina metil estera (2) pri 0°C, i otopina se miješa tijekom 12 sati na sobnoj temperaturi. U svrhu dorađivanja, slijedi dodavanje 660 ml vode pri –15°C kao i ekstrakcija vodene faze sa metilen kloridom. Združene organske frakcije se ispiru sa 6N vodenom otopinom NaOH i u cijelosti se koncentriraju evaporacijom u rotacijskom evaporatoru. Sirovi produkt 3 (74 g) biva kristaliziran iz etanola.
1H-NMR (CDCl3): δ = 3.61 (s, 3 H, Ome), 3.80 (s, 2 H, benzil. CH2), 6.03 (s, 2 H, OCH2O), 6.84 i 6.88 (2 s do 1 H, 3 i 6H aril), 7.43-7.80 (m, 5 H, FCO).
Talište: 74-76°C, analiza sagorijevanjem:
Cld. C 68.45 H 4.73
Fnd. C 68.53 H 4.59
Na analogan način se dobiju i slijedeći spojevi:
2-(4-kloro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina metil ester
2-(4-Nitro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina metil ester
2-(4-Metoksi-benzoil)-4,5-(metilendioksi)-feniloctena kiselina metil ester
2-(4-Metil-benzoil)-4,5-(metilendioksi)-feniloctena kiselina metil ester
2-(4-Cijano-benzoil)-4,5-(metilendioksi)-feniloctena kiselina metil ester
2-Benzoil-4,5-(metilendioksi)-feniloctena kiselina (4)
Suspenzija od 10 g 2 u 50 ml 1N vodene otopine NaOH se podvrgava uvjetima refluksa tijekom 2 sata. Potom se dodaje 10 ml 1N vodene sumporne kiseline, a precipitirana krutina se odvoji filtracijom i ispire s vodom. Produkt 4 (8.3 g) se suši uz pomoć vakuuma i koristi se bez daljnje purifikacije u slijedećoj fazi postupka.
1H-NMR (DMSO): δ = 3.68 (s, 2 H, benzil. CH2), 6.12 (s, 2 H, OCH2O), 6.86 i 7.03 (2 s do 1 H, 3- i 6-H aril), 7.50-7.73 (m, 5 H, FCO), 12.18 (br. S, 1 H, COOH).
Talište: 185-189°C, analiza sagorijevanja:
Cld. C 67.60 H 4.25
Fnd. C 67.66 H 4.20
Na analogan način se dobiju i slijedeći spojevi:
2-(4-kloro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina
2-(4-Nitro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina
2-(4-Metoksi-benzoil)-4,5-(metilendioksi)-feniloctena kiselina
2-(4-Metil-benzoil)-4,5-(metilendioksi)-fenilaoctena kiselina
2-(4-Cijano-benzoil)-4,5-(metilendioksi)-feniloctena kiselina
2-Benzoil-4,5-(metilendioksi)-feniloctena kiselina
-(3-okso-but-2-ilester) (5)
50 g spoja 4, 19 g 3-hidroksi-2-butanona i 32 g N,N’-karbonildiimidazola se otapaju na sobnoj temperaturi u 500 ml metilen klorida i miješaju tijekom slijedeća 3 dana. U svrhu dorađivanja, slijedi miješanje sa 200 ml VE-vode i sa metilen kloridom. Združene organske frakcije se ispiru sa 6N vodenom otopinom NaOH i u cijelosti se koncentriraju evaporacijom u rotacijskom evaporatoru. Sirovi produkt biva kristaliziran iz metanola (2ks), i dobije se 45 g 5.
1H-NMR (CDCl3): δ = 1.32 (d, 3 H, J = 6.9, CH3CO), 2.11 (s, 3 H, CH3C=O), 3.88 (s, 2 H, benzil. CH2), 5.03 (q, 1 H, J = 6.9, CHO), 6.04 (s, 2 H, OCH2O), 6.87 i 6.90 (2 s do 1 H, 3- i 6-H aril), 7.42-7.74 (m, 5 H, FCO).
Talište: 81-83°C, analiza sagorijevanja:
Cld. C 67.79 H 5.12
Fnd. C 67.83 H 5.04
Na analogan način se dobiju i slijedeći spojevi:
2-(4-kloro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina-(3-okso-but-2-ilester)
2-(4-Nitro-benzoil)-4,5-(metilendioksi)-feniloctena kiselina-(3-okso-but-2-ilester)
2-(4-Metoksi-benzoil)-4,5-(metilendioksi)-feniloctena kiselina-(3-okso-but-2-ilester)
2-Benzoil-4,5-(metilendioksi)-feniloctena kiselina-(4-okso-heks-3-ilester)
2-Benzoil-4,5-(metilendioksi)-feniloctena kiselina-(2-okso-1,2-difenil-et-1-ilester)
2-Benzoil-4,5-(metilendioksi)-benzil-4,5-dimetil-oksazole (6)
14 ml koncentrirane octene kiseline se dodaje u 10 g 5 i 19 g amonij acetata u 200 ml 1,2-dikloretana, nakon čega se smjesa podvrgava uvjetima refluksa tijekom slijedećih 6 sati. Potom se dodaje 100 ml 1N vodene otopine NaOH, i slijedi ekstrakcija sa metilen kloridom. Združeni organski ekstrakti se koncentriraju evaporacijom u rotacijskom evaporatoru, a sirovi produkt se filtrira na silika gelu (heksan : etil acetat 9:1 → 8:2). Dobije se 6.9 g čistog 6 u obliku viskoznog ulja.
1H-NMR (CDCl3): δ = 1.94 i 2.03 (2 s do 3 H, 2 CH3), 4.13 (s, 2 H, benzil, CH2), 6.01 (s, 2 H, OCH2O), 6.83 i 6.86 (2 s do 1 H, 3- i 6-H aril), 7.41-7.80 (m, 5 H, FCO).
Analiza sagorijevanja: Cld. C 71.63 H 5.11 N 4.18
Fnd. C 71.47 H 5.04 N 3.97
Na analogan način se dobiju i slijedeći spojevi:
2-(4-kloro-benzoil)-4,5-(metilendioksi)-benzil-4,5-dimetil-oksazol
2-(4-Nitro-benzoil)-4,5-(metilendioksi)-benzil-4,5-dimetil-oksazol
2-(4-Metoksi-benzoil)-4,5-(metilendioksi)-benzil-4,5-dimetil-oksazol
2-Benzoil-4,5-(metilendioksi)-benzil-4,5-dietil-oksazol
2-Benzoil-4,5-(metilendioksi)-benzil-4,5-difenil-oksazol
2,3-Dimetil-6-fenil-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3]benzodiazepin (1)
U autoklavu se 0.5 ml hidrazin-hidrata dodaje u 2 g 6, otopljeno u 18 ml etilen glikola i 2 ml koncentrirane octene kiseline. Slijedi zagrijavanje tijekom 12 sati na 120°C, i potom se reakcijska smjesa miješa na sobnoj temperaturi sa 2N vodenom otopinom NaOH. Slijedi ekstrakcija nekoliko puta s etil acetatom, nakon čega se združene organske faze u cijelosti koncentriraju evaporacijom u rotacijskom evaporatoru. Sirovi produkt se purificira kolonskom kromatografijom (heksan: etil acetat 9:1 → 8:2), te se dobije čisti 1 u količini 1.2 g.
1H-NMR (DMSO): δ = 2.01 i 2.20 (2 s do 3 H, 2 CH3), 3.82 (br. s, 2 H, benzil, CH2), 6.08 (s, 2 H, OCH2O), 6.55 i 7.15 (2 s do 1 H, 2 aril-H), 7.48-7.72 (m, 5 H, FCO).
Talište: 177°C, analiza sagorijevanja:
Cld. C 72.49 H 5.18 N 12.88
Fnd. C 72.33 H 5.31 N 12.46
Na analogan način se dobiju i slijedeći spojevi:
2,3-Dimetil-6-(4-kloro-fenil)-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3] benzodiazepin
2,3-Dimetil-6-(4-nitro-fenil)-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3] benzodiazepin
2,3-Dimetil-6-(4-metoksi-fenil)-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3] benzodiazepin
2,3-Dietil-6-fenil-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3]benzodiazepin
2,3-Difenil-6-fenil-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3]benzodiazepin
Claims (5)
1. Proces produkcije imidazo[1,2c][2,3]benzodiazepina opće formule 1
[image]
koji je naznačen slijedećim parametrima
R1 = vodik, C1C6-alkil, nitro, halogen, cijano, C1C4-alkoksi, CF3, hidroksi ili C1C6-alkanoiloksi,
R2 i R3 su jednaki ili različiti i predstavljaju vodik, halogen, C1C6-alkoksi, hidroksi, cijano, C1C6-alkanoil, C2C6-alkinil, C2C6-alkenil; opcionalno halogen-, hidroksil- ili C1-6-alkoksi-supstituirani C1C6-alkil, C3-C7-cikloalkil; ili pak aril ili hetaril radikal koji je opcionalno supstituiran sa halogenom, C14-alkoksi ili C1-4-alkil,
KS = vodik ili halogen,
I = C1-C6-alkoksi ili
KS i I zajedno predstavljaju O-(CH2)n-O- s time da vrijedi n = 1, 2 ili 3,
iz feniloctene kiseline opće formule 4,
[image]
koja je naznačena time da
KS, I i R1 imaju značenje kako je to naprijed navedeno,
a) esterifikacijom s alkoholom formule 5a
[image]
u svrhu dobivanja feniloctenog estera opće formule 5,
[image]
koji je naznačen time da
KS, I, R1, R2 i R3 imaju gore navedena značenja,
b) kondenzacijom s amonijakom ili donorom amonijaka u svrhu dobivanja oksazola opće formule 6,
[image]
koji je naznačen time da
KS, I, R1, R2 i R3 imaju naprijed rečena značenja, i nakon toga slijedi hidrazinoliza i svrhu oblikovanja supstanci opće formule 1
[image]
koja je naznačena time da
KS, I, R1, R2 i R3 imaju naprijed navedena značenja.
2. Proces u skladu sa patentnim zahtjevom 1, koji je naznačen time da supstance opće formule 5 bivaju dovedene u reakciju u jednoj posudi u prisustvu amonij acetata i amonijaka ili drugog donora amonijaka na 0-150°C u otapalu ili smjesi otapala, te potom sa hidrazinom na 0-200°C, opcionalno u autoklavu, da bi se dobile supstance opće formule 1.
3. Proces u skladu sa patentnim zahtjevima 1 ili 2, koji je naznačen time da bivaju dobiveni
2,3-dimetil-6-fenil-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2-c][2,3]benzodiazepin
2,3-dimetil-6-(4-klorofenil)-(12H)-[1,3]dioksolo[4,5h]imidazo[1,2c][2,3]benzodiazepin
2,3-dimetil-6-(4-nitrofenil)-(12H)-[1,3]dioksolo[4,5h]imidazo[1,2-c][2,3]benzodiazepin
2,3-dimetil-6-(4-metoksifenil)-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2c][2,3]benzodiazepin
2,3-dietil-6-fenil-(12H)-[1,3]dioksolo[4,5h]imidazo[1,2-c][2,3]benzodiazepin
2,3-difenil-6-fenil-(12H)-[1,3]dioksolo[4,5-h]imidazo[1,2c][2,3]benzodiazepin.
4. Esteri feniloctene kiseline opće formule 5,
[image]
koji su naznačeni slijedećim parametrima:
R1 = vodik, C1C6-alkil, nitro, halogen, cijano, C1C4-alkoksi, CF3, hidroksi ili C1C6-alkanoiloksi,
R2 i R3 su jednaki ili različiti i predstavljaju vodik, halogen, C1C6-alkoksi, hidroksi, cijano, C1C6-alkanoil, C2C6-alkinil, C2C6-alkenil; C1C6-alkil ili C3C7-cikloalkil opcionalno supstituiran sa halogenom, hidroksi ili C1-6-alkoksi; ili pak aril ili hetaril radikal koji je opcionalno supstituiran sa halogenom, C14-alkoksi ili C1-4-alkil,
KS = vodik ili halogen,
I = C1C6-alkoksi ili
KS i I zajedno predstavljaju -O-(CH2)n-O- s time da vrijedi
n = 1, 2 ili 3.
5. Derivati oksazola opće formule 6,
[image]
koji su naznačeni slijedećim parametrima
R1 = vodik, C1C6-alkil, nitro, halogen, cijano, C1-C4-alkoksi, CF3, hidroksi ili C1C6-alkanoiloksi,
R2 i R3 su jednaki ili različiti i predstavljaju vodik, halogen, C1C6-alkoksi, hidroksi, cijano, C1C6-alkanoil, C2C6-alkinil, C2C6-alkenil; C1C6-alkil ili C3-C7-cikloalkil koji je opcionalno supstituiran sa halogenom, hidroksi ili C1-6-alkoksi; ili pak aril ili hetaril radikal koji je opcionalno supstituiran sa halogenom, C1-4-alkoksi ili C1-4-alkil,
KS = vodik ili halogen,
I = C1C6-alkoksi ili
KS i I zajedno predstavljaju -O-(CH2)n-O- s time da vrijedi
n = 1, 2 ili 3.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10041671A DE10041671C1 (de) | 2000-08-10 | 2000-08-10 | Verfahren zur Herstellung von Imidazo[1,2-c][2,3]benzodiazepinen sowie Phenylessigsäureester und Oxazol-Derivate als Zwischenprodukte bei deren Herstellung |
PCT/EP2001/008661 WO2002012247A1 (de) | 2000-08-10 | 2001-07-26 | Verfahren zur herstellung von imidazo[1,2-c][2,3]benzodiazepinen und zwischenprodukte bei deren herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP20030174A2 true HRP20030174A2 (en) | 2004-06-30 |
Family
ID=7653689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HR20030174A HRP20030174A2 (en) | 2000-08-10 | 2003-03-10 | Method for the production of imidazo-(1,2-c)(2,3)-benzodiazepines and intermediates in the production thereof |
Country Status (30)
Country | Link |
---|---|
US (1) | US6784292B2 (hr) |
EP (1) | EP1307460B1 (hr) |
JP (1) | JP2004505981A (hr) |
KR (1) | KR20030021263A (hr) |
CN (1) | CN1205213C (hr) |
AT (1) | ATE260921T1 (hr) |
AU (2) | AU7851201A (hr) |
BG (1) | BG107519A (hr) |
BR (1) | BR0112810A (hr) |
CA (1) | CA2417804A1 (hr) |
CZ (1) | CZ2003676A3 (hr) |
DE (2) | DE10041671C1 (hr) |
DK (1) | DK1307460T3 (hr) |
EA (1) | EA005570B1 (hr) |
EE (1) | EE200300058A (hr) |
ES (1) | ES2217173T3 (hr) |
HR (1) | HRP20030174A2 (hr) |
HU (1) | HUP0301500A3 (hr) |
IL (1) | IL154165A0 (hr) |
MX (1) | MXPA02012913A (hr) |
NO (1) | NO20030605D0 (hr) |
NZ (1) | NZ523479A (hr) |
PL (1) | PL359586A1 (hr) |
PT (1) | PT1307460E (hr) |
SK (1) | SK2892003A3 (hr) |
TR (1) | TR200401281T4 (hr) |
UA (1) | UA79737C2 (hr) |
WO (1) | WO2002012247A1 (hr) |
YU (1) | YU8903A (hr) |
ZA (1) | ZA200301862B (hr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007119361A1 (ja) * | 2006-03-17 | 2007-10-25 | Mitsubishi Gas Chemical Company, Inc. | キナゾリン-4-オン誘導体の製造方法 |
KR200453637Y1 (ko) * | 2009-06-23 | 2011-05-19 | (주)대양스톤 | 씽크대용 볼 고정장치 |
CN104557533A (zh) * | 2015-01-22 | 2015-04-29 | 中国石油大学(华东) | 一种磷钨酸催化合成乙偶姻短链脂肪酸酯的方法 |
CN104498543B (zh) * | 2015-01-22 | 2017-10-31 | 中国石油大学(华东) | 一种脂肪酶催化合成乙偶姻脂肪酸酯的方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19604919A1 (de) | 1996-02-01 | 1997-08-07 | Schering Ag | Neue 2,3-Benzodiazepinderivate, deren Herstellung und Verwendung als Arzneimittel |
HUP9701325A1 (hu) | 1997-07-31 | 2000-08-28 | Gyógyszerkutató Intézet Kft. | Új 2,3-benzodiazepin-származékok |
-
2000
- 2000-08-10 DE DE10041671A patent/DE10041671C1/de not_active Expired - Lifetime
-
2001
- 2001-07-26 EA EA200300220A patent/EA005570B1/ru not_active IP Right Cessation
- 2001-07-26 NZ NZ523479A patent/NZ523479A/en unknown
- 2001-07-26 UA UA2003032066A patent/UA79737C2/uk unknown
- 2001-07-26 ES ES01956566T patent/ES2217173T3/es not_active Expired - Lifetime
- 2001-07-26 EP EP01956566A patent/EP1307460B1/de not_active Expired - Lifetime
- 2001-07-26 PL PL01359586A patent/PL359586A1/xx not_active Application Discontinuation
- 2001-07-26 CN CNB018139876A patent/CN1205213C/zh not_active Expired - Fee Related
- 2001-07-26 SK SK289-2003A patent/SK2892003A3/sk unknown
- 2001-07-26 EE EEP200300058A patent/EE200300058A/xx unknown
- 2001-07-26 HU HU0301500A patent/HUP0301500A3/hu unknown
- 2001-07-26 JP JP2002518222A patent/JP2004505981A/ja active Pending
- 2001-07-26 KR KR10-2003-7001796A patent/KR20030021263A/ko not_active Application Discontinuation
- 2001-07-26 CZ CZ2003676A patent/CZ2003676A3/cs unknown
- 2001-07-26 WO PCT/EP2001/008661 patent/WO2002012247A1/de not_active Application Discontinuation
- 2001-07-26 CA CA002417804A patent/CA2417804A1/en not_active Abandoned
- 2001-07-26 US US10/344,156 patent/US6784292B2/en not_active Expired - Fee Related
- 2001-07-26 AT AT01956566T patent/ATE260921T1/de not_active IP Right Cessation
- 2001-07-26 BR BR0112810-8A patent/BR0112810A/pt not_active IP Right Cessation
- 2001-07-26 AU AU7851201A patent/AU7851201A/xx active Pending
- 2001-07-26 DK DK01956566T patent/DK1307460T3/da active
- 2001-07-26 TR TR2004/01281T patent/TR200401281T4/xx unknown
- 2001-07-26 MX MXPA02012913A patent/MXPA02012913A/es active IP Right Grant
- 2001-07-26 DE DE50101634T patent/DE50101634D1/de not_active Expired - Fee Related
- 2001-07-26 IL IL15416501A patent/IL154165A0/xx unknown
- 2001-07-26 YU YU8903A patent/YU8903A/sh unknown
- 2001-07-26 PT PT01956566T patent/PT1307460E/pt unknown
- 2001-07-26 AU AU2001278512A patent/AU2001278512B2/en not_active Ceased
-
2003
- 2003-02-04 BG BG107519A patent/BG107519A/bg unknown
- 2003-02-07 NO NO20030605A patent/NO20030605D0/no not_active Application Discontinuation
- 2003-03-06 ZA ZA200301862A patent/ZA200301862B/en unknown
- 2003-03-10 HR HR20030174A patent/HRP20030174A2/hr not_active Application Discontinuation
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Padwa et al. | Rhodium (II) acetate induced intramolecular dipolar cycloadditions of o-carboalkoxy-. alpha.-diazoacetophenone derivatives | |
Allin et al. | Facile and highly stereoselective synthesis of the tetracyclic erythrinane core | |
Raymond | Acylation of pyrrolidine-2, 4-diones: a synthesis of 3-acyltetramic acids. X-Ray molecular structure of 3-[1-(difluoroboryloxy) ethylidene]-5-isopropyl-1-methyl-pyrrolidine-2, 4-dione | |
Beebe et al. | Polymer-supported synthesis of cyclic ethers: Electrophilic cyclization of tetrahydrofuroisoxazolines | |
Liu et al. | Concise synthesis of 2, 4-disubstituted thiazoles from β-azido disulfides and carboxylic acids or anhydrides: asymmetric synthesis of cystothiazole C | |
Webb et al. | Isoquinoline synthesis by CH activation/annulation using vinyl acetate as an acetylene equivalent | |
JP2004501205A (ja) | 環状化合物を合成する方法 | |
Roush et al. | Studies on the synthesis of kijanolide: synthesis of the 2-acyl spirotetronate and investigations concerning the coupling of the top and bottom half fragments | |
Baldwin et al. | γ-Lactam analogues of penicillanic and carbapenicillanic acids | |
JP2001515064A (ja) | クラスト−ラクタシスチンβ−ラクトンおよびそのアナログの合成 | |
HRP20030174A2 (en) | Method for the production of imidazo-(1,2-c)(2,3)-benzodiazepines and intermediates in the production thereof | |
Vallgårda et al. | Stereoselectivity and generality of the palladium-catalysed cyclopropanation of α, β-unsaturated carboxylic acids derivatized with Oppolzer's sultam | |
HUT71118A (en) | 7-oxabicycloheptane-carboxylic-acid prostaglandin analog intermediates and method for preparing them | |
Tangirala et al. | Synthesis and biological assays of E-ring analogs of camptothecin and homocamptothecin | |
Piers et al. | Concise total syntheses of the sesquiterpenoids (−)-homalomenol A and (−)-homalomenol B | |
KR920002129B1 (ko) | 티아나프텐 유도체의 제조방법 | |
Seipp et al. | Total Synthesis and Biological Evaluation of the Anti-Inflammatory (13 R, 14 S, 15 R)-13-Hydroxy-14-deoxyoxacyclododecindione | |
Barco et al. | A [3+ 2] nitrile oxide cycloaddition approach to (−)-pyrenophorin, and rosefuran | |
Tan et al. | Practical enantioselective synthesis of a COX-2 specific inhibitor | |
Li et al. | Toward the Total Synthesis of Phorboxazole B: An Efficient Synthesis of the C20− C46 Segment | |
Subramaniyan et al. | Stereoselective synthesis of 5-(41-azetidinyl)-proline esters via 1, 3-dipolar cycloaddition reaction of N-metalated azomethine ylides | |
Pichlmair et al. | Exploration of conjugate addition routes to advanced tricyclic components of mangicol A | |
Abe et al. | Synthesis of neo-tanshinlactone Via the palladium-mediated intramolecular biaryl coupling reaction | |
Penning et al. | Preparation of Tetrahydrothienoazocinone Derivatives | |
Sturino et al. | Antimicrobial algal metabolites of unusual structure. Concise synthesis of the highly oxygenated [4.4] spirononene dimethyl gloiosiphone a by ring expansion of dimethyl squarate |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1OB | Publication of a patent application | ||
ARAI | Request for the grant of a patent on the basis of the submitted results of a substantive examination of a patent application | ||
ODRP | Renewal fee for the maintenance of a patent |
Payment date: 20070627 Year of fee payment: 7 |
|
PNAN | Change of the applicant name, address/residence |
Owner name: BAYER SCHERING PHARMA AKTIENGESELLSCHAFT, DE |
|
OBST | Application withdrawn |