BE622666A - - Google Patents
Info
- Publication number
- BE622666A BE622666A BE622666DA BE622666A BE 622666 A BE622666 A BE 622666A BE 622666D A BE622666D A BE 622666DA BE 622666 A BE622666 A BE 622666A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- solution
- temperature
- supersaturated
- desc
- Prior art date
Links
- 239000000243 solution Substances 0.000 claims description 69
- 239000002253 acid Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 50
- 239000013078 crystal Substances 0.000 claims description 31
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical group O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 28
- 239000012047 saturated solution Substances 0.000 claims description 16
- -1 alanine compound Chemical class 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 235000004279 alanine Nutrition 0.000 claims description 6
- 150000008065 acid anhydrides Chemical class 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 244000071378 Viburnum opulus Species 0.000 claims 1
- 235000019013 Viburnum opulus Nutrition 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 description 27
- 230000008025 crystallization Effects 0.000 description 27
- 235000001014 amino acid Nutrition 0.000 description 22
- 229940024606 amino acid Drugs 0.000 description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 20
- 150000001413 amino acids Chemical class 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 238000004090 dissolution Methods 0.000 description 18
- 239000000706 filtrate Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 16
- 239000007787 solid Substances 0.000 description 14
- 239000012452 mother liquor Substances 0.000 description 13
- 239000000725 suspension Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 150000007513 acids Chemical class 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 7
- 235000010269 sulphur dioxide Nutrition 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001879 copper Chemical class 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000012458 free base Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 210000000709 aorta Anatomy 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000002798 polar solvent Substances 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 2
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-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
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000002220 antihypertensive agent Substances 0.000 description 2
- BTANRVKWQNVYAZ-UHFFFAOYSA-N butan-2-ol Chemical compound CCC(C)O BTANRVKWQNVYAZ-UHFFFAOYSA-N 0.000 description 2
- 150000001768 cations Chemical group 0.000 description 2
- 229940083181 centrally acting adntiadrenergic agent methyldopa Drugs 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JXTHNDFMNIQAHM-UHFFFAOYSA-N dichloroacetic acid Chemical compound OC(=O)C(Cl)Cl JXTHNDFMNIQAHM-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 2
- 150000007519 polyprotic acids Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- MWZIRLKBMIZSIZ-JTQLQIEISA-N (2s)-2-(dihydroxyamino)-2-methyl-3-phenylpropanoic acid Chemical compound ON(O)[C@@](C(O)=O)(C)CC1=CC=CC=C1 MWZIRLKBMIZSIZ-JTQLQIEISA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- CJCSPKMFHVPWAR-UHFFFAOYSA-N 3-Hydroxy-alpha-methyl-DL-tyrosine Chemical compound OC(=O)C(N)(C)CC1=CC=C(O)C(O)=C1 CJCSPKMFHVPWAR-UHFFFAOYSA-N 0.000 description 1
- MKNQNPYGAQGARI-UHFFFAOYSA-N 4-(bromomethyl)phenol Chemical compound OC1=CC=C(CBr)C=C1 MKNQNPYGAQGARI-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- PBBYYGCXAHKQFJ-UHFFFAOYSA-N Eur 8 Natural products C1C(C(O2)(C)C)C(OC(C)=O)C22C(C)CC(OC(C)=O)C(OC(C)=O)C2(COC(C)=O)C1OC(=O)C1=CC=CC=C1 PBBYYGCXAHKQFJ-UHFFFAOYSA-N 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 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
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 101150098533 SOST gene Proteins 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229940127088 antihypertensive drug Drugs 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 description 1
- 229960005215 dichloroacetic acid Drugs 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229960004502 levodopa Drugs 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229960005190 phenylalanine Drugs 0.000 description 1
- 235000008729 phenylalanine Nutrition 0.000 description 1
- 150000002993 phenylalanine derivatives Chemical class 0.000 description 1
- 229940116254 phosphonic acid Drugs 0.000 description 1
- 235000021178 picnic Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- VACCAVUAMIDAGB-UHFFFAOYSA-N sulfamethizole Chemical compound S1C(C)=NN=C1NS(=O)(=O)C1=CC=C(N)C=C1 VACCAVUAMIDAGB-UHFFFAOYSA-N 0.000 description 1
- 229960005158 sulfamethizole Drugs 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- 229960004319 trichloroacetic acid Drugs 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE622666A true BE622666A (forum.php) |
Family
ID=195151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE622666D BE622666A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE622666A (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060313A1 (forum.php) * | 1969-01-31 | 1971-06-18 | Hoffmann La Roche |
-
0
- BE BE622666D patent/BE622666A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2060313A1 (forum.php) * | 1969-01-31 | 1971-06-18 | Hoffmann La Roche |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2813858A (en) | Process for purifying epsilon-caprolactam | |
| BE622666A (forum.php) | ||
| JP2635351B2 (ja) | 冷却結晶層の浄化法 | |
| FR2507595A1 (fr) | Processus en continu pour obtenir de l'acide terephtalique et du glycol purs en partant de polyethylene terephtalate residuel | |
| BE620113A (forum.php) | ||
| US3158648A (en) | Direct resolution of alpha-methyl-3, 4-dihydroxyphenylalanine | |
| BE689679A (forum.php) | ||
| RU2678843C1 (ru) | Способ очистки 2-хлор-1,4-фенилендиамина | |
| BE732838A (forum.php) | ||
| FR2530856A1 (fr) | Procede de concentration des solutions residuaires de centrales nucleaires | |
| US3933929A (en) | Process for the purification of p-nitrophenol | |
| BE558993A (forum.php) | ||
| EP2169094A1 (en) | Method for crystallisation from a solution | |
| BE719218A (forum.php) | ||
| FR2483914A1 (fr) | Procede de fabrication de la dichloro-2,6-nitro-4-aniline et compose obtenu par ce procede | |
| BE624441A (forum.php) | ||
| EP0191512A1 (fr) | Procédé de fabrication de carbonate de sodium anhydre dense et carbonate de sodium anhydre dense obtenu par ce procédé | |
| JP3294316B2 (ja) | ビスフェノールａの製造方法 | |
| JPH04352772A (ja) | グリシジル３−ニトロベンゼンスルホネートをその光学活性鏡像体に分割する方法 | |
| US5837872A (en) | Process for preparation of N-acyl-aminodiacids | |
| Barrett et al. | CCCXCVI.—Harmine and harmaline. Part X. The synthesis of 7-and 8-methoxyketotetrahydro-β-carbolines and the constitution of acetylharmaline | |
| BE712272A (forum.php) | ||
| JP3931444B2 (ja) | 高純度テレフタル酸の製造方法 | |
| Perkin | LXXI.—Cryptopine and protopine. Section X | |
| FR2467835A1 (fr) | Procede de separation et d'epuration de l'anthracene de l'huile d'anthracene |