DE1811874A1 - Verfahren zur Kristallisation von optisch aktiver Glutaminsaeure - Google Patents
Verfahren zur Kristallisation von optisch aktiver GlutaminsaeureInfo
- Publication number
- DE1811874A1 DE1811874A1 DE19681811874 DE1811874A DE1811874A1 DE 1811874 A1 DE1811874 A1 DE 1811874A1 DE 19681811874 DE19681811874 DE 19681811874 DE 1811874 A DE1811874 A DE 1811874A DE 1811874 A1 DE1811874 A1 DE 1811874A1
- Authority
- DE
- Germany
- Prior art keywords
- glutamic acid
- crystals
- optically active
- aqueous solution
- racemic
- 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
- 239000004220 glutamic acid Substances 0.000 title claims description 72
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 title claims description 70
- 235000013922 glutamic acid Nutrition 0.000 title claims description 70
- 238000002425 crystallisation Methods 0.000 title claims description 38
- 230000008025 crystallization Effects 0.000 title claims description 37
- 238000000034 method Methods 0.000 title claims description 35
- 230000008569 process Effects 0.000 title claims description 18
- 239000013078 crystal Substances 0.000 claims description 102
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 70
- 229960002989 glutamic acid Drugs 0.000 claims description 70
- 239000007864 aqueous solution Substances 0.000 claims description 35
- 230000003287 optical effect Effects 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 16
- 150000008575 L-amino acids Chemical class 0.000 claims description 11
- AHLPHDHHMVZTML-BYPYZUCNSA-N L-Ornithine Chemical compound NCCC[C@H](N)C(O)=O AHLPHDHHMVZTML-BYPYZUCNSA-N 0.000 claims description 6
- HNDVDQJCIGZPNO-YFKPBYRVSA-N L-histidine Chemical compound OC(=O)[C@@H](N)CC1=CN=CN1 HNDVDQJCIGZPNO-YFKPBYRVSA-N 0.000 claims description 5
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 claims description 5
- 239000004472 Lysine Substances 0.000 claims description 5
- AHLPHDHHMVZTML-UHFFFAOYSA-N Orn-delta-NH2 Natural products NCCCC(N)C(O)=O AHLPHDHHMVZTML-UHFFFAOYSA-N 0.000 claims description 5
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 claims description 5
- -1 corleucine Chemical compound 0.000 claims description 5
- HNDVDQJCIGZPNO-UHFFFAOYSA-N histidine Natural products OC(=O)C(N)CC1=CN=CN1 HNDVDQJCIGZPNO-UHFFFAOYSA-N 0.000 claims description 5
- 229960003104 ornithine Drugs 0.000 claims description 5
- 108010010803 Gelatin Proteins 0.000 claims description 4
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims description 4
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 claims description 4
- RHGKLRLOHDJJDR-UHFFFAOYSA-N Ndelta-carbamoyl-DL-ornithine Natural products OC(=O)C(N)CCCNC(N)=O RHGKLRLOHDJJDR-UHFFFAOYSA-N 0.000 claims description 4
- UTJLXEIPEHZYQJ-UHFFFAOYSA-N Ornithine Natural products OC(=O)C(C)CCCN UTJLXEIPEHZYQJ-UHFFFAOYSA-N 0.000 claims description 4
- 108010073771 Soybean Proteins Proteins 0.000 claims description 4
- 239000005018 casein Substances 0.000 claims description 4
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 claims description 4
- 235000021240 caseins Nutrition 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- 235000019710 soybean protein Nutrition 0.000 claims description 4
- 239000004475 Arginine Substances 0.000 claims description 3
- ODKSFYDXXFIFQN-BYPYZUCNSA-P L-argininium(2+) Chemical compound NC(=[NH2+])NCCC[C@H]([NH3+])C(O)=O ODKSFYDXXFIFQN-BYPYZUCNSA-P 0.000 claims description 3
- SNDPXSYFESPGGJ-UHFFFAOYSA-N L-norVal-OH Natural products CCCC(N)C(O)=O SNDPXSYFESPGGJ-UHFFFAOYSA-N 0.000 claims description 3
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 3
- 239000001888 Peptone Substances 0.000 claims description 3
- 108010080698 Peptones Proteins 0.000 claims description 3
- 235000004279 alanine Nutrition 0.000 claims description 3
- 235000009697 arginine Nutrition 0.000 claims description 3
- 235000003704 aspartic acid Nutrition 0.000 claims description 3
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 claims description 3
- 235000014304 histidine Nutrition 0.000 claims description 3
- 235000018977 lysine Nutrition 0.000 claims description 3
- 235000019319 peptone Nutrition 0.000 claims description 3
- 108010076119 Caseins Proteins 0.000 claims description 2
- 150000008574 D-amino acids Chemical class 0.000 claims description 2
- 108010068370 Glutens Proteins 0.000 claims description 2
- 244000068988 Glycine max Species 0.000 claims description 2
- 235000010469 Glycine max Nutrition 0.000 claims description 2
- SNDPXSYFESPGGJ-BYPYZUCNSA-N L-2-aminopentanoic acid Chemical compound CCC[C@H](N)C(O)=O SNDPXSYFESPGGJ-BYPYZUCNSA-N 0.000 claims description 2
- RHGKLRLOHDJJDR-BYPYZUCNSA-N L-citrulline Chemical compound NC(=O)NCCC[C@H]([NH3+])C([O-])=O RHGKLRLOHDJJDR-BYPYZUCNSA-N 0.000 claims description 2
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- OJYGBLRPYBAHRT-UHFFFAOYSA-N alphachloralose Chemical compound O1C(C(Cl)(Cl)Cl)OC2C(O)C(C(O)CO)OC21 OJYGBLRPYBAHRT-UHFFFAOYSA-N 0.000 claims description 2
- 235000013477 citrulline Nutrition 0.000 claims description 2
- 229960002173 citrulline Drugs 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 235000021312 gluten Nutrition 0.000 claims description 2
- WHUUTDBJXJRKMK-GSVOUGTGSA-N D-glutamic acid Chemical compound OC(=O)[C@H](N)CCC(O)=O WHUUTDBJXJRKMK-GSVOUGTGSA-N 0.000 claims 2
- 229930182847 D-glutamic acid Natural products 0.000 claims 2
- 229940124277 aminobutyric acid Drugs 0.000 claims 1
- 235000013339 cereals Nutrition 0.000 description 30
- 239000002253 acid Substances 0.000 description 15
- 229940024606 amino acid Drugs 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 235000001014 amino acid Nutrition 0.000 description 10
- 150000001413 amino acids Chemical class 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 150000004682 monohydrates Chemical class 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- ROHFNLRQFUQHCH-YFKPBYRVSA-N L-leucine Chemical class CC(C)C[C@H](N)C(O)=O ROHFNLRQFUQHCH-YFKPBYRVSA-N 0.000 description 5
- 229920001184 polypeptide Polymers 0.000 description 5
- 102000004196 processed proteins & peptides Human genes 0.000 description 5
- 108090000765 processed proteins & peptides Proteins 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000000862 absorption spectrum Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 150000002307 glutamic acids Chemical class 0.000 description 4
- 229960003136 leucine Drugs 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- MTCFGRXMJLQNBG-REOHCLBHSA-N (2S)-2-Amino-3-hydroxypropansäure Chemical class OC[C@H](N)C(O)=O MTCFGRXMJLQNBG-REOHCLBHSA-N 0.000 description 3
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical class C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 3
- QIVBCDIJIAJPQS-VIFPVBQESA-N L-tryptophane Chemical class C1=CC=C2C(C[C@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-VIFPVBQESA-N 0.000 description 3
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical class OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229960003767 alanine Drugs 0.000 description 3
- 229960005261 aspartic acid Drugs 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 229960002885 histidine Drugs 0.000 description 3
- ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical class OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 2
- LEVWYRKDKASIDU-IMJSIDKUSA-N L-cystine Chemical class [O-]C(=O)[C@@H]([NH3+])CSSC[C@H]([NH3+])C([O-])=O LEVWYRKDKASIDU-IMJSIDKUSA-N 0.000 description 2
- AGPKZVBTJJNPAG-WHFBIAKZSA-N L-isoleucine Chemical class CC[C@H](C)[C@H](N)C(O)=O AGPKZVBTJJNPAG-WHFBIAKZSA-N 0.000 description 2
- 239000004395 L-leucine Substances 0.000 description 2
- 235000019454 L-leucine Nutrition 0.000 description 2
- FFEARJCKVFRZRR-BYPYZUCNSA-N L-methionine Chemical class CSCC[C@H](N)C(O)=O FFEARJCKVFRZRR-BYPYZUCNSA-N 0.000 description 2
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 2
- 239000004473 Threonine Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229960003121 arginine Drugs 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229960003067 cystine Drugs 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- ZDXPYRJPNDTMRX-UHFFFAOYSA-N glutamine Natural products OC(=O)C(N)CCC(N)=O ZDXPYRJPNDTMRX-UHFFFAOYSA-N 0.000 description 2
- 238000011081 inoculation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229960000310 isoleucine Drugs 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229960004452 methionine Drugs 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229960002429 proline Drugs 0.000 description 2
- 229960001153 serine Drugs 0.000 description 2
- 229960002898 threonine Drugs 0.000 description 2
- 229960004799 tryptophan Drugs 0.000 description 2
- 229960004441 tyrosine Drugs 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- LRQKBLKVPFOOQJ-UHFFFAOYSA-N 2-aminohexanoic acid Chemical compound CCCCC(N)C(O)=O LRQKBLKVPFOOQJ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- CKLJMWTZIZZHCS-UHFFFAOYSA-N D-OH-Asp Natural products OC(=O)C(N)CC(O)=O CKLJMWTZIZZHCS-UHFFFAOYSA-N 0.000 description 1
- QNAYBMKLOCPYGJ-UHFFFAOYSA-N D-alpha-Ala Natural products CC([NH3+])C([O-])=O QNAYBMKLOCPYGJ-UHFFFAOYSA-N 0.000 description 1
- ROHFNLRQFUQHCH-RXMQYKEDSA-N D-leucine Chemical compound CC(C)C[C@@H](N)C(O)=O ROHFNLRQFUQHCH-RXMQYKEDSA-N 0.000 description 1
- 229930182819 D-leucine Natural products 0.000 description 1
- 241000283014 Dama Species 0.000 description 1
- 101100114828 Drosophila melanogaster Orai gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- PMMYEEVYMWASQN-DMTCNVIQSA-N Hydroxyproline Chemical class O[C@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-DMTCNVIQSA-N 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- QNAYBMKLOCPYGJ-UWTATZPHSA-N L-Alanine Natural products C[C@@H](N)C(O)=O QNAYBMKLOCPYGJ-UWTATZPHSA-N 0.000 description 1
- CKLJMWTZIZZHCS-UWTATZPHSA-N L-Aspartic acid Natural products OC(=O)[C@H](N)CC(O)=O CKLJMWTZIZZHCS-UWTATZPHSA-N 0.000 description 1
- 235000019766 L-Lysine Nutrition 0.000 description 1
- FFEARJCKVFRZRR-UHFFFAOYSA-N L-Methionine Natural products CSCCC(N)C(O)=O FFEARJCKVFRZRR-UHFFFAOYSA-N 0.000 description 1
- ODKSFYDXXFIFQN-BYPYZUCNSA-N L-arginine Chemical compound OC(=O)[C@@H](N)CCCN=C(N)N ODKSFYDXXFIFQN-BYPYZUCNSA-N 0.000 description 1
- 229930064664 L-arginine Natural products 0.000 description 1
- 235000014852 L-arginine Nutrition 0.000 description 1
- 235000019393 L-cystine Nutrition 0.000 description 1
- 239000004158 L-cystine Substances 0.000 description 1
- 229930182844 L-isoleucine Natural products 0.000 description 1
- 229930195722 L-methionine Natural products 0.000 description 1
- 229930182821 L-proline Natural products 0.000 description 1
- KZSNJWFQEVHDMF-BYPYZUCNSA-N L-valine Chemical class CC(C)[C@H](N)C(O)=O KZSNJWFQEVHDMF-BYPYZUCNSA-N 0.000 description 1
- ROHFNLRQFUQHCH-UHFFFAOYSA-N Leucine Chemical class CC(C)CC(N)C(O)=O ROHFNLRQFUQHCH-UHFFFAOYSA-N 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 241001387976 Pera Species 0.000 description 1
- ONIBWKKTOPOVIA-UHFFFAOYSA-N Proline Chemical class OC(=O)C1CCCN1 ONIBWKKTOPOVIA-UHFFFAOYSA-N 0.000 description 1
- MTCFGRXMJLQNBG-UHFFFAOYSA-N Serine Chemical class OCC(N)C(O)=O MTCFGRXMJLQNBG-UHFFFAOYSA-N 0.000 description 1
- AYFVYJQAPQTCCC-UHFFFAOYSA-N Threonine Chemical class CC(O)C(N)C(O)=O AYFVYJQAPQTCCC-UHFFFAOYSA-N 0.000 description 1
- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Chemical class C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 1
- KZSNJWFQEVHDMF-UHFFFAOYSA-N Valine Chemical class CC(C)C(N)C(O)=O KZSNJWFQEVHDMF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- JNSGIVNNHKGGRU-JYRVWZFOSA-N diethoxyphosphinothioyl (2z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetate Chemical compound CCOP(=S)(OCC)OC(=O)C(=N/OC)\C1=CSC(N)=N1 JNSGIVNNHKGGRU-JYRVWZFOSA-N 0.000 description 1
- 229940110377 dl- arginine Drugs 0.000 description 1
- PMMYEEVYMWASQN-UHFFFAOYSA-N dl-hydroxyproline Chemical class OC1C[NH2+]C(C([O-])=O)C1 PMMYEEVYMWASQN-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 229960002591 hydroxyproline Drugs 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- AGPKZVBTJJNPAG-UHFFFAOYSA-N isoleucine Chemical class CCC(C)C(N)C(O)=O AGPKZVBTJJNPAG-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229960003646 lysine Drugs 0.000 description 1
- 229930182817 methionine Chemical class 0.000 description 1
- 235000006109 methionine Nutrition 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229940066779 peptones Drugs 0.000 description 1
- 229960005190 phenylalanine Drugs 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000004400 serine Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- HOYBDRIVSZUNOP-LHWPGRLPSA-M sodium (2S)-2-aminopentanedioate hydron dihydrate Chemical compound O.O.N[C@@H](CCC(=O)O)C(=O)[O-].[Na+] HOYBDRIVSZUNOP-LHWPGRLPSA-M 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 235000008521 threonine Nutrition 0.000 description 1
- FGMPLJWBKKVCDB-UHFFFAOYSA-N trans-L-hydroxy-proline Chemical class ON1CCCC1C(O)=O FGMPLJWBKKVCDB-UHFFFAOYSA-N 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Chemical class OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 235000002374 tyrosine Nutrition 0.000 description 1
- 229960004295 valine Drugs 0.000 description 1
- 239000004474 valine Chemical class 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/64—Means for preventing incorrect coupling
Landscapes
- Peptides Or Proteins (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7612467 | 1967-11-29 | ||
| JP430368 | 1968-01-26 | ||
| JP1753568 | 1968-03-19 | ||
| JP4290168 | 1968-06-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1811874A1 true DE1811874A1 (de) | 1969-07-17 |
Family
ID=27454061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681811874 Pending DE1811874A1 (de) | 1967-11-29 | 1968-11-29 | Verfahren zur Kristallisation von optisch aktiver Glutaminsaeure |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3632639A (enExample) |
| DE (1) | DE1811874A1 (enExample) |
| FR (1) | FR1598230A (enExample) |
| GB (1) | GB1231879A (enExample) |
| NL (1) | NL6817170A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2250867A1 (de) * | 1972-10-17 | 1974-04-18 | Siemens Ag | Roentgendiagnostikapparat mit einem frequenzwandler |
-
1968
- 1968-11-28 GB GB1231879D patent/GB1231879A/en not_active Expired
- 1968-11-29 NL NL6817170A patent/NL6817170A/xx unknown
- 1968-11-29 DE DE19681811874 patent/DE1811874A1/de active Pending
- 1968-11-29 FR FR1598230D patent/FR1598230A/fr not_active Expired
- 1968-11-29 US US779928A patent/US3632639A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2250867A1 (de) * | 1972-10-17 | 1974-04-18 | Siemens Ag | Roentgendiagnostikapparat mit einem frequenzwandler |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1598230A (enExample) | 1970-07-06 |
| NL6817170A (enExample) | 1969-06-02 |
| US3632639A (en) | 1972-01-04 |
| GB1231879A (enExample) | 1971-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69419152T2 (de) | Verfahren zur herstellung von mischungen von n-acylierten aminosaeuren | |
| DE69624657T2 (de) | Verbesserung bei der Herstellung von N-[3-(3-Cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethyl-acetamide | |
| DE69623900T2 (de) | Verfahren zur Herstellung von enantiomerisch reinen Imidazol-Verbindungen | |
| DE69605152T2 (de) | Kristallines Valin-p-Isopropylbenzolsulfonat und ein Verfahren zur Reinigung von Valin | |
| DE2945497C2 (enExample) | ||
| DE69912773T2 (de) | Nicht hydratisiertes gabapentin polymorph, herstellungsprozess und verwendung zur herstellung von gabapentin pharmazeutischer reinheit. | |
| DE1811874A1 (de) | Verfahren zur Kristallisation von optisch aktiver Glutaminsaeure | |
| DE1277256B (de) | Verfahren zum Abtrennen von basischen oder amphoteren stickstoffhaltigen organischen Verbindungen aus ihren waessrigen Loesungen | |
| AT402931B (de) | Verfahren zur herstellung von neuen cystinverbindungen und derenverwendung | |
| DE68921163T2 (de) | Isolierung von L-Phenylalanin aus dessen racemischen Mischungen. | |
| DE3122537A1 (de) | Verfahren zur auftrennung von gemischen aus d- und l-aminosaeuren | |
| DE69713163T2 (de) | Verfahren zur herstellung von enantiomerisch angereicherten n-acylazetidin-2-carbonsäuren | |
| DE2852094A1 (de) | Neue roentgenkontrastmittel | |
| EP0090087B1 (de) | Verfahren zur Gewinnung von S-(Carboxymethyl)-(R)-cystein und S-(Carboxymethyl)-(S)-cystein | |
| DE69300700T2 (de) | Verfahren zur Lösung von 3-Dimethylamino-2-Methylpropiophenon (3-Damp). | |
| DE2612615C2 (de) | Verfahren zur Gewinnung von optisch aktivem α-Phenylglycin und Zwischenprodukte dafür | |
| DE69007352T2 (de) | (Alfa-t-butyl aminomethyl-3,4-dichlorobenzyl) thioacetamid, Verfahren zu ihrer Herstellung und ihre Verwendung. | |
| DE2605567C3 (de) | Verfahren zur Gewinnung von optisch aktivem a Phenylglycin-hydrochlorid | |
| DE2151096A1 (de) | 3,4-Dihydroxyphenylalanin-hemihydrochlorid | |
| DE831101C (de) | Verfahren zur Herstellung von Amiden | |
| DE1593874A1 (de) | Verfahren zur Trennung von optischen Isomeren aus dem razemischen Ammoniumpantoat | |
| DE966428T1 (de) | Verfahren zur kritallisation von (s)-n-n'-bis [2-hydroxy-1-(hydroxymethyl) ethyl]-5-[(2-hydroxy-1-xopropyl) amino]-2,4,6-trirodo-1,3-benzoldicarboxamid aus linearem oder verzweigtem (c5-c6) alkohol oder gemischen davon | |
| DE2100445A1 (de) | Verfahren zur Herstellung von L Dopa und L m Tyrosin | |
| DE2348616A1 (de) | Verfahren zur trennung von dl-tryptophan-benzolsulfonat oder dl-tryptophan-pphenolsulfonat in ihre optischen antipoden und gegebenenfalls ueberfuehrung derselben in optisch aktives tryptophan | |
| DE607662C (de) | Verfahren zur Darstellung von Abkoemmlingen von Pyridylaminen |