BE663743A - - Google Patents
Info
- Publication number
- BE663743A BE663743A BE663743DA BE663743A BE 663743 A BE663743 A BE 663743A BE 663743D A BE663743D A BE 663743DA BE 663743 A BE663743 A BE 663743A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- purified
- process according
- dimethyl ester
- carboxylic
- Prior art date
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 48
- 239000002253 acid Substances 0.000 claims description 25
- -1 oxy- Chemical class 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 claims description 10
- 150000004702 methyl esters Chemical class 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 159000000000 sodium salts Chemical class 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 150000001447 alkali salts Chemical class 0.000 claims 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- 230000003647 oxidation Effects 0.000 claims 2
- 238000007254 oxidation reaction Methods 0.000 claims 2
- 241000490229 Eucephalus Species 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000005886 esterification reaction Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 150000005840 aryl radicals Chemical class 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- AYRAHHJVWWRUSN-UHFFFAOYSA-N C(=O)(O)C1=C(C(=O)C2=C(C=C(C(=C2N)CCCCCC(C)C)C2CCCCC2)C(=O)O)C(=C(C(=C1)C1CCCCC1)CCCCCC(C)C)N Chemical compound C(=O)(O)C1=C(C(=O)C2=C(C=C(C(=C2N)CCCCCC(C)C)C2CCCCC2)C(=O)O)C(=C(C(=C1)C1CCCCC1)CCCCCC(C)C)N AYRAHHJVWWRUSN-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229910006069 SO3H Inorganic materials 0.000 description 1
- 239000012445 acidic reagent Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000005428 anthryl group Chemical group [H]C1=C([H])C([H])=C2C([H])=C3C(*)=C([H])C([H])=C([H])C3=C([H])C2=C1[H] 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000005046 dihydronaphthyl group Chemical group 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
- C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6506202A NL6506202A (d) | 1965-05-14 | 1965-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE663743A true BE663743A (d) |
Family
ID=19793159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE663743D BE663743A (d) | 1965-05-14 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE663743A (d) |
| NL (1) | NL6506202A (d) |
-
0
- BE BE663743D patent/BE663743A/fr unknown
-
1965
- 1965-05-14 NL NL6506202A patent/NL6506202A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6506202A (d) | 1966-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH649555A5 (fr) | Compose chromogene. | |
| EP0062565B1 (fr) | Procédé de fabrication d'esters de sucre et notamment de saccharose | |
| BE663743A (d) | ||
| FR2485005A1 (fr) | Procede pour l'obtention de l'acide n-benzyloxycarbonyl-aspartique | |
| US3925458A (en) | Process for preparing 2-(4-alkylphenyl)-propion-aldehyde and propionic acid | |
| CA2654109A1 (fr) | Procede de preparation de dihydroxybenzenedisulfonates metalliques | |
| EP0072293B1 (fr) | Procédé de préparation de l'acide ursodésoxycholique à partir de l'acide 3 alpha, 7 beta, 12 alpha-trihydroxycholanique et produits intermédiaires utilisés | |
| FR2589149A1 (fr) | Procede de separation et de purification de l'acide salicylique par precipitation a partir d'une solution aqueuse de son sel sodique | |
| US3446837A (en) | 3 - (n - substituted - acylamino) - 2,4,6 - triiodophenyl fatty acid compounds | |
| EP0627403B1 (fr) | Procédé de préparation d'acides hydroxyphénylacétiques | |
| BE854097Q (fr) | Procede de preparation industrielle du tri (hydroxymathyl) amino-methane-gluconate-di-hydroxy-aluminate | |
| JPH05505816A (ja) | 薄色洗剤α―スルホ脂肪酸低級アルキルエステル塩の製造方法 | |
| EP0223723A1 (fr) | Procédé de séparation et de purification de l'acide parahydroxybenzoique | |
| JP2686960B2 (ja) | ショ糖脂肪酸エステルの精製方法 | |
| CH402842A (fr) | Procédé de préparation de nouveaux dérivés de l'héparine | |
| BE517207A (d) | ||
| FR2653129A1 (fr) | Procede pour la preparation de 7-oxocholanates. | |
| EP0059659A1 (fr) | Nouveaux dérivés de l'acide 4-méthyl 3-formyl pentanoique, leur procédé de préparation et leur application à la préparation de dérivés cycliques | |
| CH294899A (fr) | Procédé de préparation d'un mélange des isomères cis et trans de la vitamine A. | |
| FR2676228A1 (fr) | Procede de preparation de sulfate de chloroquine. | |
| BE834197A (fr) | Procede de preparation de sels de magnesium d'acides phenoxyalcanoiques | |
| BE837031A (fr) | Procede de preparation d'acide 3,6- dichloropicolinique | |
| CH397155A (fr) | Procédé pour la préparation de triacylates d'oléandomycine | |
| Levene et al. | SYNTHESIS OF NORMAL TRIDECYLIC AND TETRA-COSANIC ACIDS. | |
| CH616153A5 (en) | Process for the manufacture of diphthaloyl peroxide |