ZA200208253B - Process for the preparation of aniline compounds. - Google Patents
Process for the preparation of aniline compounds. Download PDFInfo
- Publication number
- ZA200208253B ZA200208253B ZA200208253A ZA200208253A ZA200208253B ZA 200208253 B ZA200208253 B ZA 200208253B ZA 200208253 A ZA200208253 A ZA 200208253A ZA 200208253 A ZA200208253 A ZA 200208253A ZA 200208253 B ZA200208253 B ZA 200208253B
- Authority
- ZA
- South Africa
- Prior art keywords
- nitro
- preparation
- compound
- formula
- methyl
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 16
- 238000002360 preparation method Methods 0.000 title claims description 16
- 150000001448 anilines Chemical class 0.000 title description 8
- 150000001875 compounds Chemical class 0.000 claims description 15
- -1 aniline compound Chemical class 0.000 claims description 14
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 13
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 claims description 10
- NERKFKJWIMVJAI-UHFFFAOYSA-N 3-methyl-7-nitro-3h-2-benzofuran-1-one Chemical compound C1=CC=C([N+]([O-])=O)C2=C1C(C)OC2=O NERKFKJWIMVJAI-UHFFFAOYSA-N 0.000 claims description 7
- 150000002828 nitro derivatives Chemical class 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 6
- 239000004009 herbicide Substances 0.000 claims description 5
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000004414 alkyl thio group Chemical group 0.000 claims description 3
- 125000000623 heterocyclic group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000003282 alkyl amino group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000000304 alkynyl group Chemical group 0.000 claims description 2
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000001624 naphthyl group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 230000002363 herbicidal effect Effects 0.000 claims 2
- 150000002431 hydrogen Chemical class 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000000243 solution Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000011541 reaction mixture Substances 0.000 description 8
- 239000002585 base Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 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 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000543 intermediate Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 159000000000 sodium salts Chemical class 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- WADXODNSSRGHOW-UHFFFAOYSA-N 2-(1-hydroxyethyl)-6-nitrobenzoic acid Chemical compound CC(O)C1=CC=CC([N+]([O-])=O)=C1C(O)=O WADXODNSSRGHOW-UHFFFAOYSA-N 0.000 description 3
- VWPOICRZRFJFMA-UHFFFAOYSA-N 2-acetyl-6-nitrobenzoic acid Chemical compound CC(=O)C1=CC=CC([N+]([O-])=O)=C1C(O)=O VWPOICRZRFJFMA-UHFFFAOYSA-N 0.000 description 3
- JYYLQSCZISREGY-UHFFFAOYSA-N 2-amino-4-chlorobenzoic acid Chemical compound NC1=CC(Cl)=CC=C1C(O)=O JYYLQSCZISREGY-UHFFFAOYSA-N 0.000 description 3
- JAFTYCKQJPKEEX-UHFFFAOYSA-N 2-amino-6-(1-hydroxyethyl)benzoic acid Chemical compound CC(O)C1=CC=CC(N)=C1C(O)=O JAFTYCKQJPKEEX-UHFFFAOYSA-N 0.000 description 3
- JAHIPDTWWVYVRV-UHFFFAOYSA-N 4-chloro-2-nitrobenzoic acid Chemical compound OC(=O)C1=CC=C(Cl)C=C1[N+]([O-])=O JAHIPDTWWVYVRV-UHFFFAOYSA-N 0.000 description 3
- JIOGJHYMEJMJOO-UHFFFAOYSA-N 7-amino-3-methyl-3h-2-benzofuran-1-one Chemical compound C1=CC=C(N)C2=C1C(C)OC2=O JIOGJHYMEJMJOO-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 150000002596 lactones Chemical group 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- 150000003573 thiols Chemical class 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000001476 alcoholic effect Effects 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-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
- 150000005181 nitrobenzenes Chemical class 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 2
- 239000012279 sodium borohydride Substances 0.000 description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical class [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- PBEKEFWBLFBSGQ-UHFFFAOYSA-N 2-chloro-4,6-dimethoxypyrimidine Chemical compound COC1=CC(OC)=NC(Cl)=N1 PBEKEFWBLFBSGQ-UHFFFAOYSA-N 0.000 description 1
- CFTAECJAOVPBJN-UHFFFAOYSA-N 3-methyl-7-nitro-3H-2-benzofuran-1-one Chemical compound C1=CC=C([N+]([O-])=O)C2=C1C(C)OC2=O.C1=CC=C([N+]([O-])=O)C2=C1C(C)OC2=O CFTAECJAOVPBJN-UHFFFAOYSA-N 0.000 description 1
- LPGADABDVFGCAB-UHFFFAOYSA-N 3-methyl-7-sulfanyl-3h-2-benzofuran-1-one Chemical compound C1=CC=C(S)C2=C1C(C)OC2=O LPGADABDVFGCAB-UHFFFAOYSA-N 0.000 description 1
- 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 1
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 description 1
- JTEJPPKMYBDEMY-UHFFFAOYSA-N 5-methoxytryptamine Chemical compound COC1=CC=C2NC=C(CCN)C2=C1 JTEJPPKMYBDEMY-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000005263 alkylenediamine group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229960004050 aminobenzoic acid Drugs 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000002785 azepinyl group Chemical group 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 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
- 125000000480 butynyl group Chemical group [*]C#CC([H])([H])C([H])([H])[H] 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- 238000001035 drying Methods 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
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000019253 formic acid Nutrition 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
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 description 1
- 229940067157 phenylhydrazine Drugs 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 125000005936 piperidyl group Chemical group 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- JCBJVAJGLKENNC-UHFFFAOYSA-M potassium ethyl xanthate Chemical compound [K+].CCOC([S-])=S JCBJVAJGLKENNC-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 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
- 125000003373 pyrazinyl group Chemical group 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- SBYHFKPVCBCYGV-UHFFFAOYSA-N quinuclidine Chemical compound C1CC2CCN1CC2 SBYHFKPVCBCYGV-UHFFFAOYSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- AVCJDDDXYWIJCK-UHFFFAOYSA-M sodium;2-amino-6-(1-hydroxyethyl)benzoate Chemical compound [Na+].CC(O)C1=CC=CC(N)=C1C([O-])=O AVCJDDDXYWIJCK-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000005305 thiadiazolinyl group Chemical group 0.000 description 1
- 125000004305 thiazinyl group Chemical group S1NC(=CC=C1)* 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000002053 thietanyl group Chemical group 0.000 description 1
- 125000005032 thiofuranyl group Chemical group S1C(=CC=C1)* 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- 125000001166 thiolanyl group Chemical group 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
-
- 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
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
- C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
- C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
- C07C209/365—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst by reduction with preservation of halogen-atoms in compounds containing nitro groups and halogen atoms bound to the same carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Furan Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH9792000 | 2000-05-17 | ||
| CH16712000 | 2000-08-28 | ||
| PCT/EP2001/005529 WO2001087806A2 (en) | 2000-05-17 | 2001-05-15 | Process for the preparation of aniline compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200208253B true ZA200208253B (en) | 2003-10-08 |
Family
ID=25738841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200208253A ZA200208253B (en) | 2000-05-17 | 2002-10-14 | Process for the preparation of aniline compounds. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US6657085B2 (xx) |
| EP (1) | EP1286949A2 (xx) |
| JP (1) | JP4949590B2 (xx) |
| KR (1) | KR100795712B1 (xx) |
| CN (1) | CN1250516C (xx) |
| AU (2) | AU2001267442B2 (xx) |
| BR (1) | BR0110805B1 (xx) |
| CA (1) | CA2405972C (xx) |
| HU (1) | HUP0302051A3 (xx) |
| IL (2) | IL152151A0 (xx) |
| PL (1) | PL202548B1 (xx) |
| RU (1) | RU2270186C2 (xx) |
| UA (1) | UA75598C2 (xx) |
| WO (1) | WO2001087806A2 (xx) |
| ZA (1) | ZA200208253B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100074949A1 (en) | 2008-08-13 | 2010-03-25 | William Rowe | Pharmaceutical composition and administration thereof |
| ES2656017T3 (es) | 2004-06-24 | 2018-02-22 | Vertex Pharmaceuticals Incorporated | Moduladores de transportadores del casete de unión a ATP |
| DK3219705T3 (da) | 2005-12-28 | 2020-04-14 | Vertex Pharma | Farmaceutiske sammensætninger af den amorfe form af n-[2,4-bis(1,1-dimethylethyl)-5-hydroxyphenyl]-1,4-dihydro-4-oxoquinolin-3-carboxamid |
| EP3330255B1 (en) | 2009-03-20 | 2020-12-09 | Vertex Pharmaceuticals Incorporated | Process for making modulators of cystic fibrosis transmembrane conductance regulator |
| CN101665436B (zh) * | 2009-09-27 | 2013-08-07 | 池州方达科技有限公司 | 一种对苯二胺的合成方法 |
| EP2316818A1 (en) | 2009-11-03 | 2011-05-04 | Active Biotech AB | Method for the preparation of 2-amino-6-ethylbenzoic acid |
| CN101962374A (zh) * | 2010-10-21 | 2011-02-02 | 上海应用技术学院 | 一种芹菜甲素的制备方法 |
| AU2013226076B2 (en) | 2012-02-27 | 2017-11-16 | Vertex Pharmaceuticals Incorporated | Pharmaceutical composition and administration thereof |
| JP6746569B2 (ja) | 2014-10-07 | 2020-08-26 | バーテックス ファーマシューティカルズ インコーポレイテッドＶｅｒｔｅｘ Ｐｈａｒｍａｃｅｕｔｉｃａｌｓ Ｉｎｃｏｒｐｏｒａｔｅｄ | 嚢胞性線維症膜貫通コンダクタンス制御因子のモジュレーターの共結晶 |
| KR101983364B1 (ko) | 2017-12-20 | 2019-05-28 | 주식회사 창발켐텍 | 할로겐이 치환된 n-메틸아닐린의 제조방법 |
| CN115960002A (zh) * | 2022-12-14 | 2023-04-14 | 江西凌富生物科技有限公司 | 一种还原亚硝基苯类化合物的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3359315A (en) * | 1964-10-15 | 1967-12-19 | Du Pont | Reduction of aromatic nitro compounds to aromatic amines |
| CH573394A5 (xx) * | 1973-05-28 | 1976-03-15 | Sandoz Ag | |
| JPS5726652A (en) * | 1980-07-24 | 1982-02-12 | Nitto Riken Kogyo Kk | Reduction of nitrobenzoic acid |
| JPS61189251A (ja) * | 1985-02-19 | 1986-08-22 | Mitsui Toatsu Chem Inc | アミノベンジルアミンの製造方法 |
| JP2565394B2 (ja) | 1989-02-21 | 1996-12-18 | 日本化薬株式会社 | ｐーフエニレンジアミン類の製法 |
| JP2990377B2 (ja) | 1989-10-12 | 1999-12-13 | ノバルティス アクチエンゲゼルシャフト | 複素環式化合物 |
| DE4033099A1 (de) | 1990-10-18 | 1992-04-23 | Bayer Ag | Verfahren zur herstellung von 2,2-bis-(aminophenyl)-propan |
| JPH0558974A (ja) * | 1991-08-27 | 1993-03-09 | Fujisawa Pharmaceut Co Ltd | アントラニル酸誘導体の製造法 |
| DE4312708A1 (de) * | 1993-04-20 | 1994-10-27 | Hoechst Ag | Verfahren zur Herstellung von aromatischen Aminen und Diazoniumsalzen |
| JP3430705B2 (ja) * | 1994-04-28 | 2003-07-28 | 日産化学工業株式会社 | 新規なジアミノベンゼン誘導体及びそれを用いたポリイミド |
| US5977413A (en) | 1997-08-04 | 1999-11-02 | Nippon Kayaku Kabushiki Kaisha | Method for producing bis(3-amino-4-hydroxyphenyl) compounds |
| JPH11106367A (ja) * | 1997-08-04 | 1999-04-20 | Nippon Kayaku Co Ltd | ビス（３−アミノ−４−ヒドロキシフェニル）類の製造方法 |
-
2001
- 2001-05-15 AU AU2001267442A patent/AU2001267442B2/en not_active Ceased
- 2001-05-15 CN CNB018093426A patent/CN1250516C/zh not_active Expired - Fee Related
- 2001-05-15 KR KR1020027015425A patent/KR100795712B1/ko not_active IP Right Cessation
- 2001-05-15 AU AU6744201A patent/AU6744201A/xx active Pending
- 2001-05-15 EP EP01945135A patent/EP1286949A2/en not_active Withdrawn
- 2001-05-15 WO PCT/EP2001/005529 patent/WO2001087806A2/en active IP Right Grant
- 2001-05-15 RU RU2002133217/04A patent/RU2270186C2/ru not_active IP Right Cessation
- 2001-05-15 JP JP2001584204A patent/JP4949590B2/ja not_active Expired - Fee Related
- 2001-05-15 BR BRPI0110805-0A patent/BR0110805B1/pt not_active IP Right Cessation
- 2001-05-15 CA CA2405972A patent/CA2405972C/en not_active Expired - Fee Related
- 2001-05-15 US US10/276,474 patent/US6657085B2/en not_active Expired - Lifetime
- 2001-05-15 HU HU0302051A patent/HUP0302051A3/hu not_active Application Discontinuation
- 2001-05-15 UA UA20021210145A patent/UA75598C2/uk unknown
- 2001-05-15 PL PL358832A patent/PL202548B1/pl unknown
- 2001-05-15 IL IL15215101A patent/IL152151A0/xx active IP Right Grant
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2002
- 2002-10-07 IL IL152151A patent/IL152151A/en not_active IP Right Cessation
- 2002-10-14 ZA ZA200208253A patent/ZA200208253B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HUP0302051A2 (hu) | 2003-09-29 |
| CN1429196A (zh) | 2003-07-09 |
| HUP0302051A3 (en) | 2007-02-28 |
| PL358832A1 (en) | 2004-08-23 |
| BR0110805B1 (pt) | 2014-10-14 |
| IL152151A0 (en) | 2003-05-29 |
| EP1286949A2 (en) | 2003-03-05 |
| JP4949590B2 (ja) | 2012-06-13 |
| AU2001267442B2 (en) | 2004-07-01 |
| CA2405972C (en) | 2010-03-23 |
| PL202548B1 (pl) | 2009-07-31 |
| US6657085B2 (en) | 2003-12-02 |
| KR20020094061A (ko) | 2002-12-16 |
| WO2001087806A2 (en) | 2001-11-22 |
| JP2003533497A (ja) | 2003-11-11 |
| UA75598C2 (uk) | 2006-05-15 |
| IL152151A (en) | 2007-03-08 |
| AU6744201A (en) | 2001-11-26 |
| BR0110805A (pt) | 2003-12-30 |
| RU2270186C2 (ru) | 2006-02-20 |
| KR100795712B1 (ko) | 2008-01-21 |
| WO2001087806A3 (en) | 2002-02-14 |
| US20030114690A1 (en) | 2003-06-19 |
| CA2405972A1 (en) | 2001-11-22 |
| CN1250516C (zh) | 2006-04-12 |
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