DE2123621C3 - Verfahren zur Herstellung von Aldonsäuren - Google Patents
Verfahren zur Herstellung von AldonsäurenInfo
- Publication number
- DE2123621C3 DE2123621C3 DE19712123621 DE2123621A DE2123621C3 DE 2123621 C3 DE2123621 C3 DE 2123621C3 DE 19712123621 DE19712123621 DE 19712123621 DE 2123621 A DE2123621 A DE 2123621A DE 2123621 C3 DE2123621 C3 DE 2123621C3
- Authority
- DE
- Germany
- Prior art keywords
- oxygen
- reaction
- sugar alcohol
- catalyst
- amount
- 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
- 238000000034 method Methods 0.000 title claims description 28
- 239000002253 acid Substances 0.000 title claims description 26
- 230000008569 process Effects 0.000 title claims description 17
- 150000007513 acids Chemical class 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 121
- 239000001301 oxygen Substances 0.000 claims description 120
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 119
- 238000006243 chemical reaction Methods 0.000 claims description 87
- 150000005846 sugar alcohols Chemical class 0.000 claims description 67
- 239000003054 catalyst Substances 0.000 claims description 59
- 230000003647 oxidation Effects 0.000 claims description 50
- 238000007254 oxidation reaction Methods 0.000 claims description 50
- 239000007789 gas Substances 0.000 claims description 27
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 35
- 238000013459 approach Methods 0.000 description 23
- FWCBATIDXGJRMF-UHFFFAOYSA-N dikegulac Natural products C12OC(C)(C)OCC2OC2(C(O)=O)C1OC(C)(C)O2 FWCBATIDXGJRMF-UHFFFAOYSA-N 0.000 description 23
- 239000002585 base Substances 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 18
- 230000036284 oxygen consumption Effects 0.000 description 13
- 239000000243 solution Substances 0.000 description 13
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- 235000011121 sodium hydroxide Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000011541 reaction mixture Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000012429 reaction media Substances 0.000 description 8
- 125000003545 alkoxy group Chemical group 0.000 description 7
- 239000012736 aqueous medium Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 229910052763 palladium Inorganic materials 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- -1 ethylphenyl Chemical group 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N hydrochloric acid Substances Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 5
- 229910052697 platinum Inorganic materials 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 235000000346 sugar Nutrition 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000012458 free base Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- LKDRXBCSQODPBY-AMVSKUEXSA-N L-(-)-Sorbose Chemical compound OCC1(O)OC[C@H](O)[C@@H](O)[C@@H]1O LKDRXBCSQODPBY-AMVSKUEXSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000008163 sugars Chemical class 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical class C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- QCCDLTOVEPVEJK-UHFFFAOYSA-N phenylacetone Chemical compound CC(=O)CC1=CC=CC=C1 QCCDLTOVEPVEJK-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- YFKBXYGUSOXJGS-UHFFFAOYSA-N 1,3-Diphenyl-2-propanone Chemical compound C=1C=CC=CC=1CC(=O)CC1=CC=CC=C1 YFKBXYGUSOXJGS-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- YTBSYETUWUMLBZ-UHFFFAOYSA-N D-Erythrose Natural products OCC(O)C(O)C=O YTBSYETUWUMLBZ-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- YTBSYETUWUMLBZ-IUYQGCFVSA-N D-erythrose Chemical compound OC[C@@H](O)[C@@H](O)C=O YTBSYETUWUMLBZ-IUYQGCFVSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
- HMFHBZSHGGEWLO-SOOFDHNKSA-N D-ribofuranose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H]1O HMFHBZSHGGEWLO-SOOFDHNKSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010056474 Erythrosis Diseases 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-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
- 229930195725 Mannitol Natural products 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- PYMYPHUHKUWMLA-LMVFSUKVSA-N Ribose Natural products OC[C@@H](O)[C@@H](O)[C@@H](O)C=O PYMYPHUHKUWMLA-LMVFSUKVSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
- JDHJCKSCRMOHQR-UHFFFAOYSA-N [O].[O].[O] Chemical compound [O].[O].[O] JDHJCKSCRMOHQR-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- HMFHBZSHGGEWLO-UHFFFAOYSA-N alpha-D-Furanose-Ribose Natural products OCC1OC(O)C(O)C1O HMFHBZSHGGEWLO-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 1
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- NDKBVBUGCNGSJJ-UHFFFAOYSA-M benzyltrimethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)CC1=CC=CC=C1 NDKBVBUGCNGSJJ-UHFFFAOYSA-M 0.000 description 1
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- 150000002386 heptoses Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VCRYGHPVKURQMM-UHFFFAOYSA-N methane;platinum Chemical compound C.[Pt] VCRYGHPVKURQMM-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 125000004344 phenylpropyl group Chemical group 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged 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
- 125000006239 protecting group Chemical group 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
- C07H9/00—Compounds containing a hetero ring sharing at least two hetero atoms with a saccharide radical
- C07H9/02—Compounds containing a hetero ring sharing at least two hetero atoms with a saccharide radical the hetero ring containing only oxygen as ring hetero atoms
- C07H9/04—Cyclic acetals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Molecular Biology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Saccharide Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3702070A | 1970-05-13 | 1970-05-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2123621A1 DE2123621A1 (enExample) | 1971-11-25 |
| DE2123621B2 DE2123621B2 (de) | 1977-10-13 |
| DE2123621C3 true DE2123621C3 (de) | 1978-06-01 |
Family
ID=21892003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712123621 Expired DE2123621C3 (de) | 1970-05-13 | 1971-05-12 | Verfahren zur Herstellung von Aldonsäuren |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5328431B1 (enExample) |
| BE (1) | BE767051A (enExample) |
| CA (1) | CA939338A (enExample) |
| CH (1) | CH552549A (enExample) |
| DE (1) | DE2123621C3 (enExample) |
| DK (1) | DK135763B (enExample) |
| FR (1) | FR2091490A5 (enExample) |
| GB (1) | GB1308423A (enExample) |
| NL (1) | NL160563C (enExample) |
| SE (1) | SE368391B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA74942B (en) * | 1973-03-26 | 1974-12-24 | Hoffmann La Roche | Plant growth regulants |
| RU2245324C1 (ru) * | 2003-09-08 | 2005-01-27 | Тверской государственный технический университет | Способ получения 2-кето-l-гулоновой кислоты |
| CA2965405C (en) * | 2014-10-23 | 2023-08-22 | Construction Research & Technology Gmbh | Method for preparing glyceric acid carbonate |
| JP2022535733A (ja) * | 2019-05-28 | 2022-08-10 | ディーエフアイ ユーエスエー，エルエルシー | 糖酸のカルシウム塩、マグネシウム塩、および亜鉛塩の製造のための方法 |
-
1971
- 1971-05-04 CH CH654971A patent/CH552549A/xx not_active IP Right Cessation
- 1971-05-11 SE SE611171A patent/SE368391B/xx unknown
- 1971-05-12 DK DK228171A patent/DK135763B/da not_active IP Right Cessation
- 1971-05-12 FR FR7117101A patent/FR2091490A5/fr not_active Expired
- 1971-05-12 JP JP3123471A patent/JPS5328431B1/ja active Pending
- 1971-05-12 BE BE767051A patent/BE767051A/xx unknown
- 1971-05-12 DE DE19712123621 patent/DE2123621C3/de not_active Expired
- 1971-05-12 CA CA112,766A patent/CA939338A/en not_active Expired
- 1971-05-13 NL NL7106590A patent/NL160563C/xx not_active IP Right Cessation
- 1971-05-13 GB GB1462871A patent/GB1308423A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA939338A (en) | 1974-01-01 |
| SE368391B (enExample) | 1974-07-01 |
| NL160563B (nl) | 1979-06-15 |
| GB1308423A (en) | 1973-02-21 |
| BE767051A (fr) | 1971-11-12 |
| NL160563C (nl) | 1979-11-15 |
| CH552549A (de) | 1974-08-15 |
| JPS5328431B1 (enExample) | 1978-08-15 |
| DK135763C (enExample) | 1977-11-21 |
| DE2123621A1 (enExample) | 1971-11-25 |
| DE2123621B2 (de) | 1977-10-13 |
| NL7106590A (enExample) | 1971-11-16 |
| FR2091490A5 (enExample) | 1972-01-14 |
| DK135763B (da) | 1977-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2907869C2 (enExample) | ||
| DE69617689T2 (de) | Entfernung von ameisensäure und formaldehyd aus abwasserströmen. | |
| CH494733A (de) | Verfahren zur Herstellung von p-Aminophenol | |
| EP0413215B1 (de) | Verfahren zur Herstellung von Dialkylcarbonaten | |
| DE2600541C3 (de) | Verfahren zur Herstellung von Phenylbrenztraubensäure oder Arylbrenztraubensäuren | |
| DE3017518C2 (de) | Verfahren zur Herstellung von N-Phosphonomethyl-Glycin | |
| DE3446561C2 (de) | Verfahren zur Herstellung von Alkalisalzen von Polyethoxycarbonsäuren | |
| DE1667212A1 (de) | Katalysator-Reaktivierung | |
| DE4228487A1 (de) | Verfahren zur herstellung einer eine carbonyl- und/oder carboxylgruppe aufweisenden verbindung | |
| DE2123621C3 (de) | Verfahren zur Herstellung von Aldonsäuren | |
| DE3133583C2 (enExample) | ||
| DE2705340A1 (de) | Verfahren zum oxydieren von monosacchariden | |
| DE2500866A1 (de) | Verfahren zur herstellung von platinmetallhaltigen katalysatoren | |
| DE2915395C2 (de) | Verfahren zur Herstellung eines Salzes der Brenztraubensäure | |
| DE3929063A1 (de) | Verfahren zur herstellung von alkalisalzen von ethercarbonsaeuren | |
| DE2121143A1 (enExample) | ||
| DE3535720A1 (de) | Saccharose-tricarbonsaeure, verfahren zu ihrer herstellung und ihre verwendung | |
| DE60014102T2 (de) | Verfahren zur herstellung von betainen | |
| DE68901996T2 (de) | Verfahren zur herstellung von pyruvat. | |
| DE102005030882A1 (de) | Katalysator und Verfahren zur Herstellung von Carboxylsäure-Estern | |
| DE1173454B (de) | Verfahren zur Herstellung von N-Vinyl-carbaminsaeureestern | |
| DE1271708B (de) | Verfahren zur Herstellung von Vinylacetat | |
| DE2231440B2 (de) | Verfahren zu der Herstellung einet Lösung eines Hydroxylammoniumsalzes | |
| DE2512089A1 (de) | Verfahren zur erhoehung der aktivitaet und selektivitaet von platinmetallhaltigen katalysatoren | |
| DE1065846B (de) | Verfahren zur Herstellung von Carbonsäuren durch Oxydation von Aldehyden mit molekularem Sauerstoff |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |