PT81043B - Chemical process - Google Patents
Chemical process Download PDFInfo
- Publication number
- PT81043B PT81043B PT81043A PT8104385A PT81043B PT 81043 B PT81043 B PT 81043B PT 81043 A PT81043 A PT 81043A PT 8104385 A PT8104385 A PT 8104385A PT 81043 B PT81043 B PT 81043B
- Authority
- PT
- Portugal
- Prior art keywords
- acid
- amino acid
- ketone
- dihydroxyphenylglycine
- hydroxyphenylglycine
- Prior art date
Links
- 238000001311 chemical methods and process Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims abstract description 35
- 150000001413 amino acids Chemical class 0.000 claims abstract description 26
- 150000002576 ketones Chemical class 0.000 claims abstract description 25
- ZBWTWPZGSGMRTG-UHFFFAOYSA-N 2-azaniumyl-2-(3,4-dihydroxyphenyl)acetate Chemical compound OC(=O)C(N)C1=CC=C(O)C(O)=C1 ZBWTWPZGSGMRTG-UHFFFAOYSA-N 0.000 claims abstract description 20
- 150000007524 organic acids Chemical class 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims description 32
- LJCWONGJFPCTTL-SSDOTTSWSA-N D-4-hydroxyphenylglycine Chemical compound [O-]C(=O)[C@H]([NH3+])C1=CC=C(O)C=C1 LJCWONGJFPCTTL-SSDOTTSWSA-N 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000006340 racemization Effects 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 13
- -1 4-hydroxyphenylglycine camphorsulfonates Chemical class 0.000 claims description 9
- 125000000623 heterocyclic group Chemical class 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- ZGUNAGUHMKGQNY-ZETCQYMHSA-N L-alpha-phenylglycine zwitterion Chemical compound OC(=O)[C@@H](N)C1=CC=CC=C1 ZGUNAGUHMKGQNY-ZETCQYMHSA-N 0.000 claims description 2
- MIOPJNTWMNEORI-UHFFFAOYSA-N camphorsulfonic acid Chemical compound C1CC2(CS(O)(=O)=O)C(=O)CC1C2(C)C MIOPJNTWMNEORI-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract description 40
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- LJCWONGJFPCTTL-ZETCQYMHSA-N L-4-hydroxyphenylglycine Chemical compound OC(=O)[C@@H](N)C1=CC=C(O)C=C1 LJCWONGJFPCTTL-ZETCQYMHSA-N 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 25
- 235000001014 amino acid Nutrition 0.000 description 19
- 229960000583 acetic acid Drugs 0.000 description 16
- 239000000243 solution Substances 0.000 description 13
- 239000012362 glacial acetic acid Substances 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 7
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 7
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 7
- 125000000217 alkyl group Chemical group 0.000 description 7
- 239000012071 phase Substances 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- 239000001632 sodium acetate Substances 0.000 description 7
- 235000017281 sodium acetate Nutrition 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 235000011054 acetic acid Nutrition 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000002329 infrared spectrum Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- XUJHKPSBHDQIOD-UHFFFAOYSA-N (2-bromo-7,7-dimethyl-3-oxo-4-bicyclo[2.2.1]heptanyl)methanesulfonic acid Chemical class C1CC2(CS(O)(=O)=O)C(=O)C(Br)C1C2(C)C XUJHKPSBHDQIOD-UHFFFAOYSA-N 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 2
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 description 2
- 125000004454 (C1-C6) alkoxycarbonyl group Chemical group 0.000 description 2
- HOOWCUZPEFNHDT-ZETCQYMHSA-N (S)-3,5-dihydroxyphenylglycine Chemical class OC(=O)[C@@H](N)C1=CC(O)=CC(O)=C1 HOOWCUZPEFNHDT-ZETCQYMHSA-N 0.000 description 2
- 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 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- LCTONWCANYUPML-UHFFFAOYSA-N Pyruvic acid Chemical compound CC(=O)C(O)=O LCTONWCANYUPML-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 description 1
- JUTKCUHVAYRGBO-UHFFFAOYSA-N 2,4,6-trimethyl-7-oxabicyclo[4.1.0]hepta-2,4-diene Chemical compound CC1=CC(C)=CC2(C)OC21 JUTKCUHVAYRGBO-UHFFFAOYSA-N 0.000 description 1
- RXSPMCUQMQOINZ-UHFFFAOYSA-N 2-(3,4-dihydroxyanilino)acetic acid Chemical class OC(=O)CNC1=CC=C(O)C(O)=C1 RXSPMCUQMQOINZ-UHFFFAOYSA-N 0.000 description 1
- BHCVMGOCEULNSE-UHFFFAOYSA-N 2-amino-2-(3,4-dihydroxyphenyl)acetic acid;hydrate Chemical compound O.OC(=O)C(N)C1=CC=C(O)C(O)=C1 BHCVMGOCEULNSE-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- LJCWONGJFPCTTL-UHFFFAOYSA-N 4-hydroxyphenylglycine Chemical compound OC(=O)C(N)C1=CC=C(O)C=C1 LJCWONGJFPCTTL-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- AFLUJRQPQFHJIF-UHFFFAOYSA-M C12(C(=O)CC(CC1)C2(C)C)CS(=O)(=O)[O-].[Br+] Chemical compound C12(C(=O)CC(CC1)C2(C)C)CS(=O)(=O)[O-].[Br+] AFLUJRQPQFHJIF-UHFFFAOYSA-M 0.000 description 1
- 229930186147 Cephalosporin Natural products 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
- WRUZLCLJULHLEY-UHFFFAOYSA-N N-(p-hydroxyphenyl)glycine Chemical compound OC(=O)CNC1=CC=C(O)C=C1 WRUZLCLJULHLEY-UHFFFAOYSA-N 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric Acid Chemical compound [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 125000005196 alkyl carbonyloxy group Chemical group 0.000 description 1
- 150000001370 alpha-amino acid derivatives Chemical class 0.000 description 1
- 235000008206 alpha-amino acids Nutrition 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical class N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000001246 bromo group Chemical group Br* 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
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 1
- 125000001589 carboacyl group Chemical group 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- CGZZMOTZOONQIA-UHFFFAOYSA-N cycloheptanone Chemical compound O=C1CCCCCC1 CGZZMOTZOONQIA-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229940093915 gynecological organic acid Drugs 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- FAQJJMHZNSSFSM-UHFFFAOYSA-N phenylglyoxylic acid Chemical compound OC(=O)C(=O)C1=CC=CC=C1 FAQJJMHZNSSFSM-UHFFFAOYSA-N 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940107700 pyruvic acid Drugs 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- PXQLVRUNWNTZOS-UHFFFAOYSA-N sulfanyl Chemical class [SH] PXQLVRUNWNTZOS-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Chemical group 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B55/00—Racemisation; Complete or partial inversion
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B57/00—Separation of optically-active compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB848421964A GB8421964D0 (en) | 1984-08-30 | 1984-08-30 | Chemical process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT81043A PT81043A (en) | 1985-09-01 |
| PT81043B true PT81043B (en) | 1987-04-06 |
Family
ID=10566049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT81043A PT81043B (en) | 1984-08-30 | 1985-08-28 | Chemical process |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4647692A (en]) |
| EP (1) | EP0173921B1 (en]) |
| JP (1) | JPS6169748A (en]) |
| AT (1) | ATE34381T1 (en]) |
| AU (1) | AU4682585A (en]) |
| DE (1) | DE3562772D1 (en]) |
| DK (1) | DK391585A (en]) |
| ES (1) | ES8703827A1 (en]) |
| GB (1) | GB8421964D0 (en]) |
| GR (1) | GR852076B (en]) |
| PT (1) | PT81043B (en]) |
| ZA (1) | ZA856540B (en]) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499376A1 (en) * | 1991-01-31 | 1992-08-19 | Hoechst Celanese Corporation | Precipitation-induced asymmetric transformation of chiral alpha-amino acids and salts thereof |
| DE4407197A1 (de) * | 1994-03-04 | 1995-09-07 | Hoechst Schering Agrevo Gmbh | Verfahren zur Herstellung von /L/-Homoalanin-4-yl-(methyl)phosphinsäure und deren Salze durch Racematspaltung |
| JP2921395B2 (ja) * | 1994-05-25 | 1999-07-19 | 松下電器産業株式会社 | 識別番号を有する電子機器の製造方法 |
| ES2196081T3 (es) * | 1994-10-07 | 2003-12-16 | Darwin Discovery Ltd | Racemizacion de precursores para levobupivacaina y analogos de la mismos. |
| US6156900A (en) * | 1994-10-07 | 2000-12-05 | Darwin Discovery Limited | Racemization of precursors to levobupivacaine and analogues thereof |
| US6812363B2 (en) * | 2002-10-15 | 2004-11-02 | Usv Limited | Racemization of optically active 2-substituted phenyl glycine esters |
| JP2011024572A (ja) * | 2009-06-29 | 2011-02-10 | Mitsubishi Gas Chemical Co Inc | 光学活性アミノ酸の製造法 |
| KR20170029965A (ko) * | 2015-09-08 | 2017-03-16 | 주식회사 아미노로직스 | D-아르기닌의 제조 방법 |
| WO2018108794A1 (de) | 2016-12-15 | 2018-06-21 | Bayer Cropscience Aktiengesellschaft | Verfahren zur herstellung von d-glufosinat oder dessen salzen unter verwendung von ephedrin |
| WO2018108797A1 (de) | 2016-12-15 | 2018-06-21 | Bayer Cropscience Aktiengesellschaft | Verfahren zur herstellung von l-glufosinat oder dessen salzen unter verwendung von ephedrin |
| MX2021012680A (es) | 2019-04-16 | 2021-11-12 | Basf Se | Metodos para la produccion de monohidrato de l-glufosinato de amonio cristalino. |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3458568A (en) * | 1965-02-19 | 1969-07-29 | Toa Gosei Chem Ind | Process for preparing an optically inactive amino acid from an optically active amino acid |
| GB1417060A (en) * | 1972-10-19 | 1975-12-10 | Ajinomoto Kk | Racemization of optically active n-acyl amino acids |
| JPS54109912A (en) * | 1978-02-14 | 1979-08-29 | Ajinomoto Co Inc | Racemization of optically active amino acid ester |
| US4401820A (en) * | 1981-01-23 | 1983-08-30 | Tanabe Seiyaku Co., Ltd. | Process for racemizing optically active α-amino acids or a salt thereof |
| JPS5810544A (ja) * | 1981-07-09 | 1983-01-21 | Tanabe Seiyaku Co Ltd | 光学活性ｐ−ヒドロキシフエニルグリシン塩の製法 |
-
1984
- 1984-08-30 GB GB848421964A patent/GB8421964D0/en active Pending
-
1985
- 1985-08-22 EP EP85110569A patent/EP0173921B1/en not_active Expired
- 1985-08-22 AT AT85110569T patent/ATE34381T1/de not_active IP Right Cessation
- 1985-08-22 DE DE8585110569T patent/DE3562772D1/de not_active Expired
- 1985-08-28 PT PT81043A patent/PT81043B/pt unknown
- 1985-08-28 ZA ZA856540A patent/ZA856540B/xx unknown
- 1985-08-28 JP JP60189331A patent/JPS6169748A/ja active Pending
- 1985-08-28 AU AU46825/85A patent/AU4682585A/en not_active Abandoned
- 1985-08-28 ES ES546489A patent/ES8703827A1/es not_active Expired
- 1985-08-28 DK DK391585A patent/DK391585A/da not_active Application Discontinuation
- 1985-08-28 GR GR852076A patent/GR852076B/el unknown
- 1985-08-28 US US06/770,508 patent/US4647692A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB8421964D0 (en) | 1984-10-03 |
| DK391585A (da) | 1986-03-01 |
| GR852076B (en]) | 1985-12-23 |
| ZA856540B (en) | 1986-06-25 |
| DE3562772D1 (en) | 1988-06-23 |
| EP0173921A1 (en) | 1986-03-12 |
| EP0173921B1 (en) | 1988-05-18 |
| JPS6169748A (ja) | 1986-04-10 |
| DK391585D0 (da) | 1985-08-28 |
| AU4682585A (en) | 1986-03-06 |
| US4647692A (en) | 1987-03-03 |
| ES546489A0 (es) | 1987-03-01 |
| ES8703827A1 (es) | 1987-03-01 |
| PT81043A (en) | 1985-09-01 |
| ATE34381T1 (de) | 1988-06-15 |
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