JPS6249261B2 - - Google Patents
Info
- Publication number
- JPS6249261B2 JPS6249261B2 JP54070511A JP7051179A JPS6249261B2 JP S6249261 B2 JPS6249261 B2 JP S6249261B2 JP 54070511 A JP54070511 A JP 54070511A JP 7051179 A JP7051179 A JP 7051179A JP S6249261 B2 JPS6249261 B2 JP S6249261B2
- Authority
- JP
- Japan
- Prior art keywords
- nitrophthalic acid
- nitrophthalic
- acid
- separating
- base
- 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.)
- Expired
Links
- KFIRODWJCYBBHY-UHFFFAOYSA-N 3-nitrophthalic acid Chemical compound OC(=O)C1=CC=CC([N+]([O-])=O)=C1C(O)=O KFIRODWJCYBBHY-UHFFFAOYSA-N 0.000 claims abstract description 51
- SLBQXWXKPNIVSQ-UHFFFAOYSA-N 4-nitrophthalic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1C(O)=O SLBQXWXKPNIVSQ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000203 mixture Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000002253 acid Substances 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000007522 mineralic acids Chemical group 0.000 claims abstract description 8
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 20
- 239000002585 base Substances 0.000 claims description 20
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 15
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 10
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 238000006396 nitration reaction Methods 0.000 claims description 8
- -1 phthalic acid compound Chemical class 0.000 claims description 6
- 239000003495 polar organic solvent Substances 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 3
- 125000005907 alkyl ester group Chemical group 0.000 claims description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000007529 inorganic bases Chemical class 0.000 claims description 2
- 235000015497 potassium bicarbonate Nutrition 0.000 claims description 2
- 229910000028 potassium bicarbonate Inorganic materials 0.000 claims description 2
- 239000011736 potassium bicarbonate Substances 0.000 claims description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 claims description 2
- SLBQXWXKPNIVSQ-UHFFFAOYSA-L 4-nitrophthalate Chemical compound [O-]C(=O)C1=CC=C([N+]([O-])=O)C=C1C([O-])=O SLBQXWXKPNIVSQ-UHFFFAOYSA-L 0.000 claims 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 claims 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 claims 1
- 150000007513 acids Chemical class 0.000 abstract description 6
- 239000012429 reaction media Substances 0.000 abstract 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 8
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007810 chemical reaction solvent Substances 0.000 description 6
- ZNAJNWHTCZMHMD-UHFFFAOYSA-M sodium;2-carboxy-3-nitrobenzoate Chemical compound [Na+].OC(=O)C1=C(C([O-])=O)C=CC=C1[N+]([O-])=O ZNAJNWHTCZMHMD-UHFFFAOYSA-M 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical class [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- ZTQDMERNJVPDBN-UHFFFAOYSA-M sodium;2-carboxy-5-nitrobenzoate Chemical compound [Na+].OC(=O)C1=CC=C([N+]([O-])=O)C=C1C([O-])=O ZTQDMERNJVPDBN-UHFFFAOYSA-M 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- YLHUPYSUKYAIBW-UHFFFAOYSA-N 1-acetylpyrrolidin-2-one Chemical compound CC(=O)N1CCCC1=O YLHUPYSUKYAIBW-UHFFFAOYSA-N 0.000 description 1
- ROFZMKDROVBLNY-UHFFFAOYSA-N 4-nitro-2-benzofuran-1,3-dione Chemical compound [O-][N+](=O)C1=CC=CC2=C1C(=O)OC2=O ROFZMKDROVBLNY-UHFFFAOYSA-N 0.000 description 1
- MMVIDXVHQANYAE-UHFFFAOYSA-N 5-nitro-2-benzofuran-1,3-dione Chemical compound [O-][N+](=O)C1=CC=C2C(=O)OC(=O)C2=C1 MMVIDXVHQANYAE-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- ZIXLDMFVRPABBX-UHFFFAOYSA-N alpha-methylcyclopentanone Natural products CC1CCCC1=O ZIXLDMFVRPABBX-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 1
- 150000001983 dialkylethers Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000006053 organic reaction Methods 0.000 description 1
- 150000003022 phthalic acids Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
Description
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Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ æ°ŽãïŒãªãã20容éïŒ å«æããäžæŽ»æ§ãªæ¥µæ§
ææ©æº¶åªäžã§ããã¿ã«é žååç©ã®ãããååå¿ç±
æ¥ã®ç¡æ©é žæ®åºãå«ãŸãªãïŒâåã³ïŒâãããã
ã¿ã«é žæ··åç©ã«ã20ãã100âã®éã®æž©åºŠã§ã ãŸãã該åå¿æº¶åªã«å®è³ªçã«äžæº¶ãªïŒâåã³ïŒ
âããããã¿ã«é žå¡©ã圢æãããå¡©åºããPHãçŽ
2.8ãšãªããŸã§å ããããšã«ãã€ãŠäž»ã«ïŒâãã
ããã¿ã«é žã¢ãå¡©ãããªãæ²æŸ±çæç©ãåé¢ãã ãã®åŸæŽã«äžèšç¯å²ã®æž©åºŠã§äžèšå¡©åºãPHãå°
ãªããšãçŽ4.5ã«ãªããŸã§å ããããšã«ãã€ãŠã
äž»ã«ïŒâããããã¿ã«é žå¡©ãããªãçæç©ãæ²æŸ±
ãããããšãããªã段éçãªå¡©åºåŠçãè¡ãªãã æåŸã«ãåŸãããããããã¿ã«é žå¡©ãå¥ã ã«çž
åœããéé¢é žã«å€æãããããŠå Žåã«ãã€ãŠã¯ã
ãçã粟補ããããšãããªãïŒâåã³ïŒâããã
ãã¿ã«é žæ··åç©ã®åé¢æ¹æ³ã ïŒ æ°ŽãïŒãªãã10容éïŒ å«æããäžæŽ»æ§ãªæ¥µæ§
ææ©æº¶åªäžã§åå¿ãè¡ãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èš
èŒã®ïŒâåã³ïŒâããããã¿ã«é žæ··åç©ã®åé¢æ¹
æ³ã ïŒ äžæŽ»æ§ãªæ¥µæ§ææ©æº¶åªãšããŠèèªæã±ãã³å
ã¯ç·ççŽ ååæ°ïŒãªããïŒã®èèªæã¢ãã«ã«ãã³
é žã®ã¢ã«ãã«ãšã¹ãã«ã䜿çšããç¹èš±è«æ±ã®ç¯å²
第ïŒé ãŸãã¯ç¬¬ïŒé ã®ããããïŒé ã«èšèŒã®ïŒâ
åã³ïŒâããããã¿ã«é žæ··åç©ã®åé¢æ¹æ³ã ïŒ äžæŽ»æ§ãªæ¥µæ§ææ©æº¶åªãšããŠã¡ãã«ãšãã«ã±
ãã³åã¯é ¢é žãšãã«ã䜿çšããç¹èš±è«æ±ã®ç¯å²ç¬¬
ïŒé èšèŒã®ïŒâåã³ïŒâããããã¿ã«é žæ··åç©ã®
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éå±ã®æ°Žé žåç©ãçé žå¡©åã¯çé žæ°ŽçŽ å¡©ã䜿çšã
ãç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®ïŒâåã³ïŒâãã
ããã¿ã«é žæ··åç©ã®åé¢æ¹æ³ã ïŒ å¡©åºãšããŠçé žæ°ŽçŽ ãããªãŠã åã¯çé žæ°ŽçŽ
ã«ãªãŠã ã䜿çšããç¹èš±è«æ±ã®ç¯å²ç¬¬ïŒé èšèŒã®
ïŒâåã³ïŒâããããã¿ã«é žæ··åç©ã®åé¢æ¹æ³ã ïŒ 30ãã50âã®éã®æž©åºŠã§å¡©ã圢æãããç¹èš±
è«æ±ã®ç¯å²ç¬¬ïŒé ãªãã第ïŒé ã®ããããïŒé ã«
èšèŒã®ïŒâåã³ïŒâããããã¿ã«é žæ··åç©ã®åé¢
æ¹æ³ã
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH613578A CH635065A5 (de) | 1978-06-05 | 1978-06-05 | Verfahren zum trennen von gemischen aus 3- und 4-nitrophthalsaeure. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54160334A JPS54160334A (en) | 1979-12-19 |
| JPS6249261B2 true JPS6249261B2 (ja) | 1987-10-19 |
Family
ID=4304824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7051179A Granted JPS54160334A (en) | 1978-06-05 | 1979-06-05 | Separation of 33and 44nitrophthalic acid mixture |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4284797A (ja) |
| JP (1) | JPS54160334A (ja) |
| BR (1) | BR7903493A (ja) |
| CA (1) | CA1101883A (ja) |
| CH (1) | CH635065A5 (ja) |
| DE (1) | DE2922519A1 (ja) |
| FR (1) | FR2428025A1 (ja) |
| GB (1) | GB2022584B (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308460A1 (de) * | 1983-03-10 | 1984-09-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von m-nitrobenzoesaeuremethylester |
| US6054609A (en) * | 1997-03-21 | 2000-04-25 | Sumikin Chemical Co., Ltd. | Method of separating isomers of nitrotoluic acid |
| CN100432042C (zh) * | 2004-12-01 | 2008-11-12 | å¢å®ªæ¥ | 4-ç¡åºé»è¯äºç²é žçæçº¯å·¥èº |
| CN1308677C (zh) * | 2004-12-29 | 2007-04-04 | åäº¬å€§åŠ | 3ïŒç¡åºæ4ïŒç¡åºé»è¯äºç²é žåå ¶æ莚çé«æ液çžè²è°±åææ³ |
| CN1321972C (zh) * | 2005-06-27 | 2007-06-20 | æœå¥ | ä»è¯é ç¡åå¶å€3ïŒç¡åºé»è¯äºç²é žçååºæ¯æ¶²äžå¶å€4ïŒç¡åºé»è¯äºç²é žçæ¹æ³ |
| CN101134728B (zh) * | 2007-09-27 | 2012-07-11 | æ¬å·å€§åŠ | ç¡åºé»è¯äºç²é žåååŒæäœæ··åç©çå犻æ¹æ³ |
| US9045417B2 (en) | 2011-01-14 | 2015-06-02 | Celgene Corporation | Isotopologues of isoindole derivatives |
| CN104974044A (zh) * | 2015-06-04 | 2015-10-14 | æ±èæ°žå®åå·¥æéå ¬åž | äžç§3-ç¡åºé»è¯äºç²é žçæ纯æ¹æ³ |
| CN109180493B (zh) * | 2018-10-15 | 2021-09-03 | æ²³åéž¿æç¿è¯äžæéå ¬åž | ç±æ··ç¡åºé»è¯äºç²é žå¶å€3-ç¡åºé»è¯äºç²é žäž4-ç¡åºé»è¯äºç²é žçæ¹æ³ |
| CN114634417B (zh) * | 2022-03-09 | 2023-05-05 | æ²³åæµ·åæè¿æ°ææè¡ä»œæéå ¬åž | äžç§ç¡åºé»è¯äºç²é žçå¶å€æ¹æ³ |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1549885A (en) * | 1925-04-01 | 1925-08-18 | Commercial Solvents Corp | Production of 3-nitrophthalic acid |
| GB374010A (en) * | 1931-02-24 | 1932-05-24 | William Blythe And Company Ltd | Improvements in and relating to the resolution of mixtures of phenolic substances into their components |
| GB427251A (en) | 1933-08-18 | 1935-04-18 | Ici Ltd | Manufacture of intermediates for dyes |
| DE824815C (de) * | 1950-04-19 | 1951-12-13 | Cassella Farbwerke Mainkur Ag | Verfahren zur Herstellung eines sauren Wollfarbstoffs |
| DE936944C (de) | 1952-04-02 | 1955-12-22 | Basf Ag | Verfahren zur Herstellung von Kondensationsprodukten |
| DE935964C (de) | 1952-08-03 | 1955-12-01 | Hoechst Ag | Verfahren zur Erzeugung ueberfaerbeechter Faerbungen auf Fasergut aus Acetylcellulose sowie linearen Polyamiden oder Polyurethanen |
| GB736974A (en) | 1952-09-11 | 1955-09-14 | Monsanto Chemicals | Process for the separation of some aromatic acids and esters |
| DE1224731B (de) | 1964-12-16 | 1966-09-15 | Hoechst Ag | Verfahren zur Herstellung von Nitroterephthal-saeure |
| GB1165637A (en) | 1967-07-19 | 1969-10-01 | Coalite Chem Prod Ltd | Production of Nitrophenols. |
-
1978
- 1978-06-05 CH CH613578A patent/CH635065A5/de not_active IP Right Cessation
-
1979
- 1979-05-31 US US06/044,122 patent/US4284797A/en not_active Expired - Lifetime
- 1979-06-01 DE DE19792922519 patent/DE2922519A1/de not_active Withdrawn
- 1979-06-01 CA CA328,928A patent/CA1101883A/en not_active Expired
- 1979-06-04 BR BR7903493A patent/BR7903493A/pt unknown
- 1979-06-04 GB GB7919469A patent/GB2022584B/en not_active Expired
- 1979-06-05 FR FR7914295A patent/FR2428025A1/fr active Granted
- 1979-06-05 JP JP7051179A patent/JPS54160334A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2428025A1 (fr) | 1980-01-04 |
| FR2428025B1 (ja) | 1983-11-10 |
| GB2022584A (en) | 1979-12-19 |
| CA1101883A (en) | 1981-05-26 |
| US4284797A (en) | 1981-08-18 |
| CH635065A5 (de) | 1983-03-15 |
| DE2922519A1 (de) | 1979-12-06 |
| GB2022584B (en) | 1982-09-08 |
| JPS54160334A (en) | 1979-12-19 |
| BR7903493A (pt) | 1980-01-22 |
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