DE156760C - - Google Patents
Info
- Publication number
- DE156760C DE156760C DENDAT156760D DE156760DA DE156760C DE 156760 C DE156760 C DE 156760C DE NDAT156760 D DENDAT156760 D DE NDAT156760D DE 156760D A DE156760D A DE 156760DA DE 156760 C DE156760 C DE 156760C
- Authority
- DE
- Germany
- Prior art keywords
- compounds
- bisulfite
- solution
- parts
- acid
- 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.)
- Active
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- -1 aromatic amido compound Chemical group 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 150000004982 aromatic amines Chemical class 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 239000000243 solution Substances 0.000 description 8
- 150000002825 nitriles Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- VASMRQAVWVVDPA-UHFFFAOYSA-N 1,3,5-triphenyl-1,3,5-triazinane Chemical compound C1N(C=2C=CC=CC=2)CN(C=2C=CC=CC=2)CN1C1=CC=CC=C1 VASMRQAVWVVDPA-UHFFFAOYSA-N 0.000 description 1
- PMAPIPPKZXGDFA-UHFFFAOYSA-N 2-[(2-carboxyanilino)methylamino]benzoic acid Chemical compound OC(=O)C1=CC=CC=C1NCNC1=CC=CC=C1C(O)=O PMAPIPPKZXGDFA-UHFFFAOYSA-N 0.000 description 1
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 description 1
- ZGSDJMADBJCNPN-UHFFFAOYSA-N [S-][NH3+] Chemical compound [S-][NH3+] ZGSDJMADBJCNPN-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- SFZULDYEOVSIKM-UHFFFAOYSA-N chembl321317 Chemical compound C1=CC(C(=N)NO)=CC=C1C1=CC=C(C=2C=CC(=CC=2)C(=N)NO)O1 SFZULDYEOVSIKM-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- ZVTIVESWXDOHQS-UHFFFAOYSA-N n,n'-bis(4-methylphenyl)methanediamine Chemical compound C1=CC(C)=CC=C1NCNC1=CC=C(C)C=C1 ZVTIVESWXDOHQS-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE156760C true DE156760C (cg-RX-API-DMAC10.html) |
Family
ID=423099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT156760D Active DE156760C (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE156760C (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2836620A (en) * | 1954-03-17 | 1958-05-27 | Dow Chemical Co | Amino sulfonic acids and salts thereof |
-
0
- DE DENDAT156760D patent/DE156760C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2836620A (en) * | 1954-03-17 | 1958-05-27 | Dow Chemical Co | Amino sulfonic acids and salts thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1334961A1 (de) | Verfahren zur Herstellung von Glycin-N,N-diessigsäure-Derivaten | |
| DE1112081B (de) | Verfahren zur Herstellung von Aminoacetonitrilen | |
| DE156760C (cg-RX-API-DMAC10.html) | ||
| DE2715034A1 (de) | Verfahren zur herstellung von cyanogruppen tragenden azofarbstoffen | |
| DE1795344B2 (de) | Verfahren zur herstellung von 3-aminoisothiazolen | |
| DE2709122C2 (cg-RX-API-DMAC10.html) | ||
| EP0033099B1 (de) | Verfahren zur Herstellung von 2-Amino-4-nitrophenol | |
| DE444014C (de) | Verfahren zur Darstellung von Thiuramdisulfiden | |
| DE259502C (cg-RX-API-DMAC10.html) | ||
| DE132621C (cg-RX-API-DMAC10.html) | ||
| DE142559C (cg-RX-API-DMAC10.html) | ||
| DE48583C (de) | Verfahren zur Darstellung des Mefhylbenzoesäuresulfinids (Methylsaccharin) | |
| EP1199302B1 (de) | Kontinuierliches Verfahren zur Cyanalkylierung von Verbindungen mit einer oder mehreren NH-Funktionen | |
| DE248887C (cg-RX-API-DMAC10.html) | ||
| DE158718C (cg-RX-API-DMAC10.html) | ||
| DE310427C (cg-RX-API-DMAC10.html) | ||
| DE2248257C3 (de) | Verfahren zur Herstellung von 4-Amino-1,2,4-triazolen | |
| DE335993C (de) | Verfahren zur Herstellung von Hydantoinen | |
| DE1793615C (de) | Verfahren zur Herstellung von 3 Aryl 7 amino cumarinen Ausscheidung aus 1768665 | |
| DE1493965C (de) | Verfahren zum Herstellen von Racema ten optisch aktiver Nitrile | |
| DE845516C (de) | Verfahren zur Darstellung von primaeren aliphatischen, aromatischaliphatischen bzw. cycloaliphatischen Aminen | |
| DE91122C (cg-RX-API-DMAC10.html) | ||
| AT85976B (de) | Verfahren zur Herstellung von Hydantoinen. | |
| DE1251304B (de) | Verfahren zur Herstellung von a [0 0 Dialkyl-mono- bzw -ditniophosphoryl] - carbonsäureamiden | |
| DE2640616B2 (de) | Verfahren zur Herstellung von N-Acyl-2-arylglycinen |