DE2055102B2 - - Google Patents
Info
- Publication number
- DE2055102B2 DE2055102B2 DE19702055102 DE2055102A DE2055102B2 DE 2055102 B2 DE2055102 B2 DE 2055102B2 DE 19702055102 DE19702055102 DE 19702055102 DE 2055102 A DE2055102 A DE 2055102A DE 2055102 B2 DE2055102 B2 DE 2055102B2
- Authority
- DE
- Germany
- Prior art keywords
- oleum
- reaction
- selenium
- sulfuric acid
- acid
- 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.)
- Granted
Links
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 45
- 229910052711 selenium Inorganic materials 0.000 claims description 44
- 239000011669 selenium Substances 0.000 claims description 44
- JUJWROOIHBZHMG-UHFFFAOYSA-N pyridine Substances C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 32
- 230000003647 oxidation Effects 0.000 claims description 32
- 238000007254 oxidation reaction Methods 0.000 claims description 32
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 21
- -1 pyridine mono- Chemical class 0.000 claims description 19
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 12
- 239000011593 sulfur Substances 0.000 claims description 12
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 106
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 79
- 238000006243 chemical reaction Methods 0.000 description 44
- 239000000243 solution Substances 0.000 description 39
- 239000000203 mixture Substances 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- HWWYDZCSSYKIAD-UHFFFAOYSA-N 3,5-dimethylpyridine Chemical compound CC1=CN=CC(C)=C1 HWWYDZCSSYKIAD-UHFFFAOYSA-N 0.000 description 24
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- MPFLRYZEEAQMLQ-UHFFFAOYSA-N dinicotinic acid Chemical compound OC(=O)C1=CN=CC(C(O)=O)=C1 MPFLRYZEEAQMLQ-UHFFFAOYSA-N 0.000 description 18
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 description 18
- ITQTTZVARXURQS-UHFFFAOYSA-N 3-methylpyridine Chemical compound CC1=CC=CN=C1 ITQTTZVARXURQS-UHFFFAOYSA-N 0.000 description 15
- XTLUAAHBKVFNPF-UHFFFAOYSA-N 3-ethyl-5-methylpyridine Chemical compound CCC1=CN=CC(C)=C1 XTLUAAHBKVFNPF-UHFFFAOYSA-N 0.000 description 14
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 10
- SAVPSRHNNQVBLW-UHFFFAOYSA-N 3,5-diethylpyridine Chemical compound CCC1=CN=CC(CC)=C1 SAVPSRHNNQVBLW-UHFFFAOYSA-N 0.000 description 9
- 239000005457 ice water Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- MFEIKQPHQINPRI-UHFFFAOYSA-N 3-Ethylpyridine Chemical compound CCC1=CC=CN=C1 MFEIKQPHQINPRI-UHFFFAOYSA-N 0.000 description 6
- FKNQCJSGGFJEIZ-UHFFFAOYSA-N 4-methylpyridine Chemical compound CC1=CC=NC=C1 FKNQCJSGGFJEIZ-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 6
- TWBYWOBDOCUKOW-UHFFFAOYSA-N isonicotinic acid Chemical compound OC(=O)C1=CC=NC=C1 TWBYWOBDOCUKOW-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-M hydrogensulfate Chemical compound OS([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-M 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- YXZUDXLWSOZHFN-UHFFFAOYSA-N 2,3-diethylpyridine Chemical compound CCC1=CC=CN=C1CC YXZUDXLWSOZHFN-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 3
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 229960003512 nicotinic acid Drugs 0.000 description 3
- 235000001968 nicotinic acid Nutrition 0.000 description 3
- 239000011664 nicotinic acid Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 150000003222 pyridines Chemical class 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- HPYNZHMRTTWQTB-UHFFFAOYSA-N 2,3-dimethylpyridine Chemical compound CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 2
- BWZVCCNYKMEVEX-UHFFFAOYSA-N 2,4,6-Trimethylpyridine Chemical compound CC1=CC(C)=NC(C)=C1 BWZVCCNYKMEVEX-UHFFFAOYSA-N 0.000 description 2
- JYYNAJVZFGKDEQ-UHFFFAOYSA-N 2,4-Dimethylpyridine Chemical compound CC1=CC=NC(C)=C1 JYYNAJVZFGKDEQ-UHFFFAOYSA-N 0.000 description 2
- XWKFPIODWVPXLX-UHFFFAOYSA-N 2,5-dimethylpyridine Chemical compound CC1=CC=C(C)N=C1 XWKFPIODWVPXLX-UHFFFAOYSA-N 0.000 description 2
- QLUUXTUCKOZMEL-UHFFFAOYSA-N 2-ethyl-3,5-dimethylpyridine Chemical compound CCC1=NC=C(C)C=C1C QLUUXTUCKOZMEL-UHFFFAOYSA-N 0.000 description 2
- BSKHPKMHTQYZBB-UHFFFAOYSA-N 2-methylpyridine Chemical compound CC1=CC=CC=N1 BSKHPKMHTQYZBB-UHFFFAOYSA-N 0.000 description 2
- NTSLROIKFLNUIJ-UHFFFAOYSA-N 5-Ethyl-2-methylpyridine Chemical compound CCC1=CC=C(C)N=C1 NTSLROIKFLNUIJ-UHFFFAOYSA-N 0.000 description 2
- 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
- WTDKCWJYPZGAJX-UHFFFAOYSA-N COC(=O)C1=CC=CN=C1.COC(=O)C1=CC=CN=C1 Chemical compound COC(=O)C1=CC=CN=C1.COC(=O)C1=CC=CN=C1 WTDKCWJYPZGAJX-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010626 work up procedure Methods 0.000 description 2
- COHDGTRFTKHYSJ-UHFFFAOYSA-N 2-Ethyl-5-methylpyridine Chemical compound CCC1=CC=C(C)C=N1 COHDGTRFTKHYSJ-UHFFFAOYSA-N 0.000 description 1
- XISVWWMYWHFIBB-UHFFFAOYSA-N 2-methylprop-2-ene-1,1-diol Chemical compound CC(=C)C(O)O XISVWWMYWHFIBB-UHFFFAOYSA-N 0.000 description 1
- ORCCCTYBDUJYQP-UHFFFAOYSA-N 3,5-di(propan-2-yl)pyridine Chemical compound CC(C)C1=CN=CC(C(C)C)=C1 ORCCCTYBDUJYQP-UHFFFAOYSA-N 0.000 description 1
- PMIRUVCRUMYYDH-UHFFFAOYSA-N 3,5-dipropylpyridine Chemical compound CCCC1=CN=CC(CCC)=C1 PMIRUVCRUMYYDH-UHFFFAOYSA-N 0.000 description 1
- ZDQWESQEGGJUCH-UHFFFAOYSA-N Diisopropyl adipate Chemical compound CC(C)OC(=O)CCCCC(=O)OC(C)C ZDQWESQEGGJUCH-UHFFFAOYSA-N 0.000 description 1
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- QJSSZRZUJSJWDR-UHFFFAOYSA-N OC(=O)C1=CC=CN=C1.OC(=O)C1=CC=CN=C1.OC(=O)C1=CN=CC(C(O)=O)=C1 Chemical compound OC(=O)C1=CC=CN=C1.OC(=O)C1=CC=CN=C1.OC(=O)C1=CN=CC(C(O)=O)=C1 QJSSZRZUJSJWDR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 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
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- OLQLJBKTNJBZBR-UHFFFAOYSA-N ethyl pyridine-3-carboxylate Chemical compound CCOC(=O)C1=CC=CN=C1.CCOC(=O)C1=CC=CN=C1 OLQLJBKTNJBZBR-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- LVPMIMZXDYBCDF-UHFFFAOYSA-N isocinchomeronic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)N=C1 LVPMIMZXDYBCDF-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- RSIKQUFNSSFZFL-UHFFFAOYSA-N pyridin-1-ium-3-carboxylic acid sulfate Chemical compound C(C1=CN=CC=C1)(=O)O.C(C1=CN=CC=C1)(=O)O.S(=O)(=O)(O)O RSIKQUFNSSFZFL-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/803—Processes of preparation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702055102 DE2055102C3 (de) | 1970-11-10 | 1970-11-10 | Verfahren zur Herstellung von Pyridin-mono- und -dicarbonsäuren |
DD15879671A DD95378A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-11-10 | 1971-11-08 | |
IT3083471A IT951596B (it) | 1970-11-10 | 1971-11-08 | Procedimento per la preparazione di acidi piridincarbossilici |
JP46088786A JPS5116425B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-11-10 | 1971-11-09 | |
GB5214471A GB1363909A (en) | 1970-11-10 | 1971-11-10 | Process for the production of pyridine carboxylic |
FR7140394A FR2113742A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-11-10 | 1971-11-10 | |
BE775174A BE775174A (fr) | 1970-11-10 | 1971-11-10 | Procede de preparation d'acides pyridine-carboxylique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702055102 DE2055102C3 (de) | 1970-11-10 | 1970-11-10 | Verfahren zur Herstellung von Pyridin-mono- und -dicarbonsäuren |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2055102A1 DE2055102A1 (de) | 1972-05-18 |
DE2055102B2 true DE2055102B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-08-31 |
DE2055102C3 DE2055102C3 (de) | 1979-04-26 |
Family
ID=5787602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19702055102 Expired DE2055102C3 (de) | 1970-11-10 | 1970-11-10 | Verfahren zur Herstellung von Pyridin-mono- und -dicarbonsäuren |
Country Status (7)
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101891679B (zh) * | 2009-05-19 | 2014-04-16 | 上海华明高技术(集团)有限公司 | 吡啶二甲酸与二氨基吡啶质子转移化合物的制备方法 |
-
1970
- 1970-11-10 DE DE19702055102 patent/DE2055102C3/de not_active Expired
-
1971
- 1971-11-08 DD DD15879671A patent/DD95378A5/xx unknown
- 1971-11-08 IT IT3083471A patent/IT951596B/it active
- 1971-11-09 JP JP46088786A patent/JPS5116425B1/ja active Pending
- 1971-11-10 FR FR7140394A patent/FR2113742A5/fr not_active Expired
- 1971-11-10 BE BE775174A patent/BE775174A/xx unknown
- 1971-11-10 GB GB5214471A patent/GB1363909A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DD95378A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-02-05 |
DE2055102A1 (de) | 1972-05-18 |
FR2113742A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-06-23 |
IT951596B (it) | 1973-07-10 |
DE2055102C3 (de) | 1979-04-26 |
GB1363909A (en) | 1974-08-21 |
BE775174A (fr) | 1972-05-10 |
JPS5116425B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DD233126A5 (de) | Verfahren zur herstellung von pyridin-n-oxiden | |
DE2065236B2 (de) | Phosphonsäuresalze, ihre Herstellung und Verwendung | |
DE2847170C2 (de) | Verfahren zur kontinuierlichen Herstellung von Terephthalsäure | |
DE2055102C3 (de) | Verfahren zur Herstellung von Pyridin-mono- und -dicarbonsäuren | |
DE2826333C2 (de) | Oxidationsverfahren zur Herstellung von Pyridincarbonsäuren | |
EP0075727A2 (de) | Verfahren zur Herstellung von 3-Picolin | |
DE3689764T2 (de) | Zwischenprodukte und Verfahren zu ihrer Herstellung. | |
DE2002661C3 (de) | Verfahren zur Herstellung von 2- bzw. 4-Vinylpyrldinen | |
DE2415748A1 (de) | Verfahren zur herstellung von polyhalogenierten nicotinsaeuren | |
DE1618986C3 (de) | Verfahren zur Herstellung von chlorierten aromatischen Nitrilen | |
DE2813417B2 (de) | Verfahren zur Herstellung von 2,6-Pyridindicarbonsäure | |
DE3813452A1 (de) | Verfahren zur herstellung von trifluormethylbenzoesaeure aus hexafluorxylol | |
EP0776888B1 (de) | Verfahren zur Herstellung von beta-Hydroxyalkylpicoliniumsalzen sowie Picoliniumsalze als Zwischenprodukte zur Herstellung kationischer Farbstoffe | |
EP0057366B1 (de) | Verfahren zur Herstellung von Pyridinen | |
DE953072C (de) | Verfahren zur Herstellung von Naphthalin-2, 6-dicarbonsaeure bzw. von deren Salzen und Derivaten | |
DE2824558B2 (de) | Verfahren zur Herstellung von Quadratsäure | |
EP0134828B1 (de) | Verfahren zur Herstellung von 2-Hydroxypyridinen aus 2-Pyridincarbonsäure-N-Oxiden | |
EP0633250B1 (de) | Verfahren zur Herstellung von 2,4-Pyridindicarbonsäure | |
DE4111214A1 (de) | Verfahren zur herstellung von 2-chlorpyridinen | |
CH644847A5 (en) | Process for the preparation of 2-hydroxypyridines from 2-pyridinecarboxylic acid N-oxides | |
DE2527157A1 (de) | Verfahren zur herstellung von (chinoxalin-n hoch 1, n hoch 4-dioxyd- 2-ylmethylen)-carbazinsaeuremethylester | |
DE1033667B (de) | Verfahren zur Herstellung heterocyclischer Carbonsaeuren | |
DE1044792B (de) | Verfahren zur Herstellung von p-Carboxybenzaldehyd | |
DE2510139C3 (de) | Verfahren zur Herstellung von Monochlorbenzoesäuren | |
DE2511613A1 (de) | Zwischenprodukte zur Herstellung von AEthercarboxylaten,Verfahren zu ihrer Herstellung und ihre Verwendung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
EHV | Ceased/renunciation |