JPS5223053A - Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt s - Google Patents
Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt sInfo
- Publication number
- JPS5223053A JPS5223053A JP9752075A JP9752075A JPS5223053A JP S5223053 A JPS5223053 A JP S5223053A JP 9752075 A JP9752075 A JP 9752075A JP 9752075 A JP9752075 A JP 9752075A JP S5223053 A JPS5223053 A JP S5223053A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- diaminostilbene
- salt
- disulfonic acid
- dicyanodiamide
- 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.)
- Granted
Links
- REJHVSOVQBJEBF-OWOJBTEDSA-N 5-azaniumyl-2-[(e)-2-(4-azaniumyl-2-sulfonatophenyl)ethenyl]benzenesulfonate Chemical compound OS(=O)(=O)C1=CC(N)=CC=C1\C=C\C1=CC=C(N)C=C1S(O)(=O)=O REJHVSOVQBJEBF-OWOJBTEDSA-N 0.000 title 1
- REJHVSOVQBJEBF-UHFFFAOYSA-N DSD-acid Natural products OS(=O)(=O)C1=CC(N)=CC=C1C=CC1=CC=C(N)C=C1S(O)(=O)=O REJHVSOVQBJEBF-UHFFFAOYSA-N 0.000 title 1
- 150000003839 salts Chemical class 0.000 title 1
- 150000001875 compounds Chemical class 0.000 abstract 2
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
- C07C309/46—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9752075A JPS5223053A (en) | 1975-08-13 | 1975-08-13 | Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt s |
| DE19762635852 DE2635852C2 (de) | 1975-08-13 | 1976-08-10 | Verfahren zur Herstellung von 4,4'- Diaminostilben-2,2'-disulfonsäure oder ihrer Na- oder K-Salze |
| GB3168576A GB1501070A (en) | 1975-08-13 | 1976-08-11 | Preparation of 4,4'-diaminostilbene-2,2'-disulphonic acid or its alkali salts |
| FR7624655A FR2320941A1 (fr) | 1975-08-13 | 1976-08-12 | Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels |
| CH1030876A CH615416A5 (en) | 1975-08-13 | 1976-08-12 | Process for the preparation of 4,4'-diaminostilbene-2,2'-disulphonic acid or its alkali metal salts |
| US05/717,272 US4070395A (en) | 1975-08-13 | 1976-08-24 | Process for the preparation of 4,4'-diaminostilbene-2,2'-disulfonic acid or its salts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9752075A JPS5223053A (en) | 1975-08-13 | 1975-08-13 | Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt s |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5223053A true JPS5223053A (en) | 1977-02-21 |
| JPS5238031B2 JPS5238031B2 (OSRAM) | 1977-09-27 |
Family
ID=14194522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9752075A Granted JPS5223053A (en) | 1975-08-13 | 1975-08-13 | Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt s |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5223053A (OSRAM) |
| CH (1) | CH615416A5 (OSRAM) |
| DE (1) | DE2635852C2 (OSRAM) |
| FR (1) | FR2320941A1 (OSRAM) |
| GB (1) | GB1501070A (OSRAM) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2455394B2 (de) * | 1973-12-03 | 1977-06-02 | Sumitomo Chemical Co., Ltd., Osaka (Japan) | Verfahren zur herstellung von dinatrium-4,4'-diaminostilben-2,2'-disulfonat |
-
1975
- 1975-08-13 JP JP9752075A patent/JPS5223053A/ja active Granted
-
1976
- 1976-08-10 DE DE19762635852 patent/DE2635852C2/de not_active Expired
- 1976-08-11 GB GB3168576A patent/GB1501070A/en not_active Expired
- 1976-08-12 FR FR7624655A patent/FR2320941A1/fr active Granted
- 1976-08-12 CH CH1030876A patent/CH615416A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2320941A1 (fr) | 1977-03-11 |
| GB1501070A (en) | 1978-02-15 |
| DE2635852A1 (de) | 1977-02-24 |
| JPS5238031B2 (OSRAM) | 1977-09-27 |
| FR2320941B1 (OSRAM) | 1979-09-28 |
| CH615416A5 (en) | 1980-01-31 |
| DE2635852C2 (de) | 1986-09-18 |
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