EP3883923A1 - Lagerstabile form von 3-methylthiopropionaldehyd - Google Patents
Lagerstabile form von 3-methylthiopropionaldehydInfo
- Publication number
- EP3883923A1 EP3883923A1 EP19805317.5A EP19805317A EP3883923A1 EP 3883923 A1 EP3883923 A1 EP 3883923A1 EP 19805317 A EP19805317 A EP 19805317A EP 3883923 A1 EP3883923 A1 EP 3883923A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- methylthio
- weight
- mmp
- methylthiopropionaldehyde
- compound
- 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.)
- Pending
Links
- CLUWOWRTHNNBBU-UHFFFAOYSA-N 3-methylthiopropanal Chemical compound CSCCC=O CLUWOWRTHNNBBU-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 150000001875 compounds Chemical class 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 36
- AHNRTOXWYSLPGE-UHFFFAOYSA-N 3-methylsulfanylpropane-1,1-diol Chemical compound CSCCC(O)O AHNRTOXWYSLPGE-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229930182817 methionine Natural products 0.000 claims abstract description 30
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical compound CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 20
- SBKRXUMXMKBCLD-SCSAIBSYSA-N (R)-5-[2-(methylthio)ethyl]hydantoin Chemical compound CSCC[C@H]1NC(=O)NC1=O SBKRXUMXMKBCLD-SCSAIBSYSA-N 0.000 claims abstract description 10
- ONFOSYPQQXJWGS-UHFFFAOYSA-N 2-hydroxy-4-(methylthio)butanoic acid Chemical compound CSCCC(O)C(O)=O ONFOSYPQQXJWGS-UHFFFAOYSA-N 0.000 claims abstract description 8
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 30
- 229960004452 methionine Drugs 0.000 claims description 29
- 238000002360 preparation method Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- VWWOJJANXYSACS-UHFFFAOYSA-N 2-hydroxy-4-methylsulfanylbutanenitrile Chemical compound CSCCC(O)C#N VWWOJJANXYSACS-UHFFFAOYSA-N 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- -1 methionine alkali salt Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- FFEARJCKVFRZRR-UHFFFAOYSA-N methionine Chemical compound CSCCC(N)C(O)=O FFEARJCKVFRZRR-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007127 saponification reaction Methods 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 20
- 239000000047 product Substances 0.000 description 13
- IHGWGYYEVNJFGR-UHFFFAOYSA-N 1-(1-hydroxy-3-methylsulfanylpropoxy)-3-methylsulfanylpropan-1-ol Chemical compound OC(CCSC)OC(CCSC)O IHGWGYYEVNJFGR-UHFFFAOYSA-N 0.000 description 10
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 239000000543 intermediate Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 238000003109 Karl Fischer titration Methods 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 8
- 238000004821 distillation Methods 0.000 description 7
- 108010085203 methionylmethionine Proteins 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- GSYTVXOARWSQSV-BYPYZUCNSA-N L-methioninamide Chemical compound CSCC[C@H](N)C(N)=O GSYTVXOARWSQSV-BYPYZUCNSA-N 0.000 description 6
- 239000001099 ammonium carbonate Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000004128 high performance liquid chromatography Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- ZYTPOUNUXRBYGW-UHFFFAOYSA-N methionyl-methionine Chemical compound CSCCC(N)C(=O)NC(C(O)=O)CCSC ZYTPOUNUXRBYGW-UHFFFAOYSA-N 0.000 description 5
- 230000032258 transport Effects 0.000 description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 238000009776 industrial production Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 3
- 235000012501 ammonium carbonate Nutrition 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- YVDVWADTVZAKRV-UHFFFAOYSA-N 1,3-bis(methylsulfanyl)propan-1-ol Chemical compound CSCCC(O)SC YVDVWADTVZAKRV-UHFFFAOYSA-N 0.000 description 2
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-dimethylpyridine Chemical compound CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N DMSO Substances CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- ZYTPOUNUXRBYGW-YUMQZZPRSA-N Met-Met Chemical compound CSCC[C@H]([NH3+])C(=O)N[C@H](C([O-])=O)CCSC ZYTPOUNUXRBYGW-YUMQZZPRSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001299 aldehydes Chemical group 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229940093915 gynecological organic acid Drugs 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- YVZKASKGLMNHJC-UHFFFAOYSA-N 1-[1,3-bis(methylsulfanyl)propoxy]-3-methylsulfanylpropan-1-ol Chemical compound CSC(CCSC)OC(CCSC)O YVZKASKGLMNHJC-UHFFFAOYSA-N 0.000 description 1
- WSHATRMQLGGTRX-UHFFFAOYSA-N 1-methylsulfanylpropan-1-ol Chemical compound CCC(O)SC WSHATRMQLGGTRX-UHFFFAOYSA-N 0.000 description 1
- ZGYDSBDLZFDVSG-UHFFFAOYSA-N 2,4-dioxoimidazolidine-1-carboxamide Chemical compound NC(=O)N1CC(=O)NC1=O ZGYDSBDLZFDVSG-UHFFFAOYSA-N 0.000 description 1
- PICCHNWCTUUCAQ-UHFFFAOYSA-N 2-hydroxypentanethioic s-acid Chemical compound CCCC(O)C(O)=S PICCHNWCTUUCAQ-UHFFFAOYSA-N 0.000 description 1
- IKMGEAMKZUENRW-UHFFFAOYSA-N 2-methylsulfanylbutanoic acid Chemical compound CCC(SC)C(O)=O IKMGEAMKZUENRW-UHFFFAOYSA-N 0.000 description 1
- FYWDUQCSMYWUHV-UHFFFAOYSA-N 3-chloro-5-hydroxypentan-2-one Chemical compound CC(=O)C(Cl)CCO FYWDUQCSMYWUHV-UHFFFAOYSA-N 0.000 description 1
- BXXYQGRVCYLMSJ-UHFFFAOYSA-N 3-methylsulfanylpropane-1,1-diol hydrate Chemical compound CSCCC(O)O.O BXXYQGRVCYLMSJ-UHFFFAOYSA-N 0.000 description 1
- SBKRXUMXMKBCLD-UHFFFAOYSA-N 5-(2-methylsulfanylethyl)imidazolidine-2,4-dione Chemical compound CSCCC1NC(=O)NC1=O SBKRXUMXMKBCLD-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 238000006845 Michael addition reaction Methods 0.000 description 1
- FGDQGIKMWOAFIK-UHFFFAOYSA-N acetonitrile;phosphoric acid Chemical compound CC#N.OP(O)(O)=O FGDQGIKMWOAFIK-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000006668 aldol addition reaction Methods 0.000 description 1
- 238000005882 aldol condensation reaction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012482 calibration solution Substances 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N dimethylpyridine Natural products CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229940091173 hydantoin Drugs 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002816 methylsulfanyl group Chemical group [H]C([H])([H])S[*] 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- XOJVVFBFDXDTEG-UHFFFAOYSA-N pristane Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)C XOJVVFBFDXDTEG-UHFFFAOYSA-N 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- MLGCXEBRWGEOQX-UHFFFAOYSA-N tetradifon Chemical compound C1=CC(Cl)=CC=C1S(=O)(=O)C1=CC(Cl)=C(Cl)C=C1Cl MLGCXEBRWGEOQX-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 238000000825 ultraviolet detection Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/10—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton
- C07C323/11—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/12—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/02—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols
- C07C319/12—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of thiols by reactions not involving the formation of mercapto groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
- C07C319/26—Separation; Purification; Stabilisation; Use of additives
Definitions
- Methionine hydantoin characterized in that 3-methylthio-1, 1-propanediol or a compound according to formula I or a composition of the type described above with hydrocyanic acid, ammonia and carbon dioxide or ammonium hydrogen carbonate / carbonate or via the previously by reaction with hydrocyanic acid generated intermediate of 2-hydroxy-4- (methylthio) butyronitrile in the presence of water.
- the process parameters can otherwise correspond to those known to the person skilled in the art for processes based on MMP from the descriptions in the relevant specialist literature, such as EP 780370 A2 (in particular Examples 1 to 4) and the relevant literature cited therein, all of which are hereby incorporated by reference are involved.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18207569.7A EP3656760A1 (de) | 2018-11-21 | 2018-11-21 | Lagerstabile form von 3-methylthiopropionaldehyd |
PCT/EP2019/082083 WO2020104589A1 (de) | 2018-11-21 | 2019-11-21 | Lagerstabile form von 3-methylthiopropionaldehyd |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3883923A1 true EP3883923A1 (de) | 2021-09-29 |
Family
ID=64426777
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18207569.7A Withdrawn EP3656760A1 (de) | 2018-11-21 | 2018-11-21 | Lagerstabile form von 3-methylthiopropionaldehyd |
EP19805317.5A Pending EP3883923A1 (de) | 2018-11-21 | 2019-11-21 | Lagerstabile form von 3-methylthiopropionaldehyd |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18207569.7A Withdrawn EP3656760A1 (de) | 2018-11-21 | 2018-11-21 | Lagerstabile form von 3-methylthiopropionaldehyd |
Country Status (6)
Country | Link |
---|---|
US (1) | US11524936B2 (de) |
EP (2) | EP3656760A1 (de) |
JP (1) | JP7463367B2 (de) |
CN (1) | CN112752747B (de) |
SG (1) | SG11202105114PA (de) |
WO (1) | WO2020104589A1 (de) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1173174A (en) | 1966-04-18 | 1969-12-03 | Sumitomo Chemical Co | Process for producing beta-Methylmercaptopropionaldehyde |
GB1150252A (en) | 1966-04-25 | 1969-04-30 | Sumitomo Chemical Co | Improvements relating to the production of beta-Methylmercaptopropionaldehyde |
ES339942A1 (es) | 1966-04-30 | 1968-05-16 | Sumitomo Chemical Co | Un procedimiento para producir betametilmercaptopropional- dehido. |
JPS49116017A (de) | 1973-03-16 | 1974-11-06 | ||
DE2320544C2 (de) * | 1973-04-21 | 1975-06-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von 3-Methylmercaptopropionaldehyd |
EP0143100B1 (de) | 1983-11-14 | 1987-08-05 | Monsanto Company | Verfahren zur Herstellung von flüssiger 2-Hydroxymethylthiobuttersäure |
BR9105694A (pt) | 1991-12-26 | 1993-06-29 | Rhodia | Composicao estabilizante para aldeidos s-substituidos,processo de estabilizacao dos aldeidos estabilizados |
US5663409A (en) | 1995-06-07 | 1997-09-02 | Novus International, Inc. | Process for the preparation of 3-(methylthio) propanal and 2-hydroxy-4-(methylthio) butanenitrile |
DE19547236A1 (de) | 1995-12-18 | 1997-07-03 | Degussa | Verfahren zur Herstellung von D,L-Methionin oder dessen Salz |
JP3777681B2 (ja) | 1996-11-22 | 2006-05-24 | 住友化学株式会社 | メチルチオプロピオンアルデヒドの安定化方法 |
DE19735332A1 (de) | 1997-08-14 | 1999-02-18 | Degussa | Aliphatische Alkanale mit verbesserter Lagerstabilität und Verfahren zur Verbesserung der Lagerstabilität |
JP4517486B2 (ja) | 2000-09-25 | 2010-08-04 | 住友化学株式会社 | 2−ヒドロキシ−4−メチルチオブタンニトリルの製造方法 |
US6944786B2 (en) | 2001-07-27 | 2005-09-13 | International Business Machines Corporation | Network node failover using multicast address or port |
CN102399177B (zh) * | 2010-09-15 | 2016-02-24 | 李宽义 | 连续化合成蛋氨酸的环保清洁工艺方法 |
SG192908A1 (en) | 2011-02-23 | 2013-09-30 | Evonik Degussa Gmbh | Storage-stable 2-hydroxy-4-(methylthio) butyric acid nitrile |
JP2014513699A (ja) | 2011-05-11 | 2014-06-05 | ザ リージェンツ オブ ザ ユニバーシティ オブ ミシガン | スピロ−オキシインドールmdm2アンタゴニスト |
DE102011081828A1 (de) | 2011-08-30 | 2013-02-28 | Evonik Degussa Gmbh | Verfahren zur Umsetzung von Methylmercaptopropionaldehyd aus Roh-Acrolein und Roh-Methylmercaptan |
PT2768312E (pt) | 2011-10-18 | 2016-02-23 | Nestec Sa | Composição para utilização na promoção de crescimento ósseo saudável e/ou na prevenção e/ou tratamento de doença óssea |
EP2813489A1 (de) | 2013-06-11 | 2014-12-17 | Evonik Degussa GmbH | Verfahren zur Herstellung von lagerstabilem 3-Methylmercaptopropionaldehyd |
EP3205643A1 (de) | 2016-02-15 | 2017-08-16 | Evonik Degussa GmbH | Verfahren zur herstellung von 3-methylthiopropionaldehyd |
EP3339290B1 (de) * | 2016-12-22 | 2019-06-19 | Evonik Degussa GmbH | Lagerung von 3-methylthiopropionaldehyd und methylmercaptan |
CN109665974B (zh) * | 2019-02-14 | 2022-02-11 | 天宝动物营养科技股份有限公司 | 一种稳定存储氰醇类产品的方法 |
-
2018
- 2018-11-21 EP EP18207569.7A patent/EP3656760A1/de not_active Withdrawn
-
2019
- 2019-11-21 SG SG11202105114PA patent/SG11202105114PA/en unknown
- 2019-11-21 JP JP2021528353A patent/JP7463367B2/ja active Active
- 2019-11-21 CN CN201980062558.3A patent/CN112752747B/zh active Active
- 2019-11-21 EP EP19805317.5A patent/EP3883923A1/de active Pending
- 2019-11-21 US US17/282,897 patent/US11524936B2/en active Active
- 2019-11-21 WO PCT/EP2019/082083 patent/WO2020104589A1/de unknown
Also Published As
Publication number | Publication date |
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US11524936B2 (en) | 2022-12-13 |
JP7463367B2 (ja) | 2024-04-08 |
SG11202105114PA (en) | 2021-06-29 |
CN112752747B (zh) | 2023-01-24 |
WO2020104589A1 (de) | 2020-05-28 |
US20210347732A1 (en) | 2021-11-11 |
JP2022507850A (ja) | 2022-01-18 |
CN112752747A (zh) | 2021-05-04 |
EP3656760A1 (de) | 2020-05-27 |
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