DE4444109A1 - Verfahren zur Herstellung von optisch aktiven Alkoholen - Google Patents
Verfahren zur Herstellung von optisch aktiven AlkoholenInfo
- Publication number
- DE4444109A1 DE4444109A1 DE4444109A DE4444109A DE4444109A1 DE 4444109 A1 DE4444109 A1 DE 4444109A1 DE 4444109 A DE4444109 A DE 4444109A DE 4444109 A DE4444109 A DE 4444109A DE 4444109 A1 DE4444109 A1 DE 4444109A1
- Authority
- DE
- Germany
- Prior art keywords
- optically active
- alkyl
- chain
- ruthenium
- branched
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 25
- 150000001298 alcohols Chemical class 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000003054 catalyst Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229910052707 ruthenium Inorganic materials 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 11
- -1 C7-C12-aralkyl Chemical group 0.000 claims description 9
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 8
- 150000001735 carboxylic acids Chemical class 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 5
- ARXKVVRQIIOZGF-UHFFFAOYSA-N 1,2,4-butanetriol Chemical compound OCCC(O)CO ARXKVVRQIIOZGF-UHFFFAOYSA-N 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 235000013772 propylene glycol Nutrition 0.000 claims description 5
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 4
- 125000000041 C6-C10 aryl group Chemical group 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 4
- UNXHWFMMPAWVPI-UHFFFAOYSA-N butane-1,2,3,4-tetrol Chemical compound OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 150000003304 ruthenium compounds Chemical class 0.000 claims description 4
- 239000012876 carrier material Substances 0.000 claims description 3
- 238000004821 distillation Methods 0.000 claims description 3
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- AQYSYJUIMQTRMV-UHFFFAOYSA-N hypofluorous acid Chemical compound FO AQYSYJUIMQTRMV-UHFFFAOYSA-N 0.000 claims description 3
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims description 2
- VZIQXGLTRZLBEX-UHFFFAOYSA-N 2-chloro-1-propanol Chemical compound CC(Cl)CO VZIQXGLTRZLBEX-UHFFFAOYSA-N 0.000 claims description 2
- GAWAYYRQGQZKCR-UHFFFAOYSA-N 2-chloropropionic acid Chemical compound CC(Cl)C(O)=O GAWAYYRQGQZKCR-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 125000003396 thiol group Chemical class [H]S* 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims 1
- 244000141359 Malus pumila Species 0.000 claims 1
- 241000158147 Sator Species 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 235000021016 apples Nutrition 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 description 2
- 241001676573 Minium Species 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 2
- 235000011090 malic acid Nutrition 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- GAWAYYRQGQZKCR-REOHCLBHSA-N (S)-2-chloropropanoic acid Chemical compound C[C@H](Cl)C(O)=O GAWAYYRQGQZKCR-REOHCLBHSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 1
- ROZSPJBPUVWBHW-UHFFFAOYSA-N [Ru]=O Chemical class [Ru]=O ROZSPJBPUVWBHW-UHFFFAOYSA-N 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000027455 binding Effects 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- JGDFBJMWFLXCLJ-UHFFFAOYSA-N copper chromite Chemical compound [Cu]=O.[Cu]=O.O=[Cr]O[Cr]=O JGDFBJMWFLXCLJ-UHFFFAOYSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229940116298 l- malic acid Drugs 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 229940099690 malic acid Drugs 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- VDRDGQXTSLSKKY-UHFFFAOYSA-K ruthenium(3+);trihydroxide Chemical class [OH-].[OH-].[OH-].[Ru+3] VDRDGQXTSLSKKY-UHFFFAOYSA-K 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/132—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group
- C07C29/136—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH
- C07C29/147—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
- C07C29/149—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen containing functional group of >C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof with hydrogen or hydrogen-containing gases
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/07—Optical isomers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4444109A DE4444109A1 (de) | 1994-12-12 | 1994-12-12 | Verfahren zur Herstellung von optisch aktiven Alkoholen |
| DE59505086T DE59505086D1 (de) | 1994-12-12 | 1995-11-29 | Verfahren zur Herstellung von optisch aktiven Alkoholen durch catalytische Reduktion der optisch aktiven Carbonsäuren |
| ES95118754T ES2129737T3 (es) | 1994-12-12 | 1995-11-29 | Procedimiento para la obtencion de alcoholes opticamente activos mediante reduccion catalitica de acidos carboxilicos opticamente activos. |
| EP95118754A EP0717023B1 (de) | 1994-12-12 | 1995-11-29 | Verfahren zur Herstellung von optisch aktiven Alkoholen durch catalytische Reduktion der optisch aktiven Carbonsäuren |
| US08/567,787 US5731479A (en) | 1994-12-12 | 1995-12-05 | Process for the preparation of optically active alcohols |
| JP7344715A JPH08231447A (ja) | 1994-12-12 | 1995-12-07 | 光学活性アルコールの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4444109A DE4444109A1 (de) | 1994-12-12 | 1994-12-12 | Verfahren zur Herstellung von optisch aktiven Alkoholen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE4444109A1 true DE4444109A1 (de) | 1996-06-13 |
Family
ID=6535522
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4444109A Withdrawn DE4444109A1 (de) | 1994-12-12 | 1994-12-12 | Verfahren zur Herstellung von optisch aktiven Alkoholen |
| DE59505086T Expired - Fee Related DE59505086D1 (de) | 1994-12-12 | 1995-11-29 | Verfahren zur Herstellung von optisch aktiven Alkoholen durch catalytische Reduktion der optisch aktiven Carbonsäuren |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE59505086T Expired - Fee Related DE59505086D1 (de) | 1994-12-12 | 1995-11-29 | Verfahren zur Herstellung von optisch aktiven Alkoholen durch catalytische Reduktion der optisch aktiven Carbonsäuren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5731479A (OSRAM) |
| EP (1) | EP0717023B1 (OSRAM) |
| JP (1) | JPH08231447A (OSRAM) |
| DE (2) | DE4444109A1 (OSRAM) |
| ES (1) | ES2129737T3 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756865A (en) * | 1995-10-04 | 1998-05-26 | Cerestar Holding B.V. | Method for production of tetritols, specifically meso-erythritol |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3560377B2 (ja) * | 1995-01-06 | 2004-09-02 | 昭和電工株式会社 | 水素化触媒及びそれを用いた反応 |
| DE19803893A1 (de) * | 1998-01-31 | 1999-08-05 | Bayer Ag | Verfahren zur Herstellung von optisch aktiven Alkoholen |
| US6403844B1 (en) | 1998-11-24 | 2002-06-11 | Board Of Trustees Of Michigan State University | Condensed phase catalytic hydrogenation of lactic acid to propylene glycol |
| US6455742B1 (en) | 1999-09-02 | 2002-09-24 | Wisconsin Alumni Research Foundation | Method for catalytically reducing carboxylic acid groups to hydroxyl groups in hydroxycarboxylic acids |
| DE10241292A1 (de) | 2002-09-04 | 2004-03-18 | Basf Ag | Verfahren zur Herstellung optisch aktiver 2-Amino-, 2-Hydroxy oder 2-Alkoxy-1-alkohole |
| CN100381411C (zh) * | 2002-11-01 | 2008-04-16 | 嘉吉有限公司 | 制备1,3-丙二醇的方法 |
| US7049446B2 (en) * | 2003-05-06 | 2006-05-23 | Battelle Memorial Institute | Process for chemical reaction of amino acids and amides yielding selective conversion products |
| DE102004007498A1 (de) * | 2004-02-13 | 2005-09-01 | Basf Ag | Hydrierverfahren zur Herstellung optisch aktiver Alkohole oder Carbonsäuren |
| DE102004007499A1 (de) | 2004-02-13 | 2005-09-01 | Basf Ag | Verfahren zur Herstellung optisch aktiver Alkohole oder Carbonsäuren |
| US7131446B2 (en) * | 2004-03-25 | 2006-11-07 | Tang Kenneth Y | Light-triggered tattoo process |
| US7619118B2 (en) | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Process for the conversion of glycerol to propylene glycol and amino alcohols |
| ES2402216T3 (es) * | 2006-06-07 | 2013-04-29 | The Procter & Gamble Company | Procesos para convertir glicerol en aminoalcoholes |
| US7619119B2 (en) * | 2006-06-07 | 2009-11-17 | The Procter & Gamble Company | Processes for converting glycerol to amino alcohols |
| ES2537802T3 (es) * | 2007-04-03 | 2015-06-12 | Takasago International Corporation | Procedimiento de producción de un alcohol mediante hidrogenación de una lactona o un éster de ácido carboxílico en fase líquida |
| US9108895B2 (en) | 2012-10-26 | 2015-08-18 | Eastman Chemical Company | Promoted ruthenium catalyst for the improved hydrogenation of carboxylic acids to the corresponding alcohols |
| CN104628500A (zh) * | 2013-11-08 | 2015-05-20 | 上虞市众昌化工有限公司 | 一种N-取代的α-氨基醇催化氢化合成方法 |
| US20240228413A1 (en) * | 2021-05-04 | 2024-07-11 | Basf Se | Method of preparing aliphatic polyols having three or more hydroxy groups and a total number of carbon atoms of 5 or more |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607805A (en) * | 1949-06-10 | 1952-08-19 | Du Pont | Hydrogenation of glycolic acid to ethylene glycol |
| US2607807A (en) * | 1950-02-24 | 1952-08-19 | Du Pont | Preparation of alcohols from carboxylic acids |
| US4273947A (en) * | 1979-01-31 | 1981-06-16 | Allied Chemical Corporation | Hydrogenation of fluorine-containing carboxylic acids |
| DE3802981A1 (de) * | 1988-02-02 | 1989-08-10 | Basf Ag | Verfahren zur reduktion reduzierbarer verbindungen |
| FI92051C (fi) * | 1992-03-17 | 1994-09-26 | Amylum Nv | Menetelmä ksylitolin valmistamiseksi D-glukoosista ja D-glukoosin ja D-fruktoosin sekä D-glukoosin ja D-galaktoosin seoksista |
| DE4428106A1 (de) * | 1994-08-09 | 1996-02-15 | Bayer Ag | Verfahren zur Herstellung von optisch aktiven Aminoalkoholen |
-
1994
- 1994-12-12 DE DE4444109A patent/DE4444109A1/de not_active Withdrawn
-
1995
- 1995-11-29 DE DE59505086T patent/DE59505086D1/de not_active Expired - Fee Related
- 1995-11-29 ES ES95118754T patent/ES2129737T3/es not_active Expired - Lifetime
- 1995-11-29 EP EP95118754A patent/EP0717023B1/de not_active Expired - Lifetime
- 1995-12-05 US US08/567,787 patent/US5731479A/en not_active Expired - Fee Related
- 1995-12-07 JP JP7344715A patent/JPH08231447A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756865A (en) * | 1995-10-04 | 1998-05-26 | Cerestar Holding B.V. | Method for production of tetritols, specifically meso-erythritol |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08231447A (ja) | 1996-09-10 |
| EP0717023A2 (de) | 1996-06-19 |
| EP0717023B1 (de) | 1999-02-10 |
| EP0717023A3 (OSRAM) | 1996-07-24 |
| US5731479A (en) | 1998-03-24 |
| ES2129737T3 (es) | 1999-06-16 |
| DE59505086D1 (de) | 1999-03-25 |
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