GB1432827A - Process for the production of 2,3-dicyano-1,4-dithiaanthrahydro quinone and -anthraquinone - Google Patents
Process for the production of 2,3-dicyano-1,4-dithiaanthrahydro quinone and -anthraquinoneInfo
- Publication number
- GB1432827A GB1432827A GB4259373A GB4259373A GB1432827A GB 1432827 A GB1432827 A GB 1432827A GB 4259373 A GB4259373 A GB 4259373A GB 4259373 A GB4259373 A GB 4259373A GB 1432827 A GB1432827 A GB 1432827A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dicyano
- anthraquinone
- dithiaanthrahydro
- quinone
- production
- 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.)
- Expired
Links
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 title 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 abstract 2
- 150000003839 salts Chemical class 0.000 abstract 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 150000003863 ammonium salts Chemical class 0.000 abstract 1
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 abstract 1
- PYZSVQVRHDXQSL-UHFFFAOYSA-N dithianon Chemical compound S1C(C#N)=C(C#N)SC2=C1C(=O)C1=CC=CC=C1C2=O PYZSVQVRHDXQSL-UHFFFAOYSA-N 0.000 abstract 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D339/00—Heterocyclic compounds containing rings having two sulfur atoms as the only ring hetero atoms
- C07D339/08—Six-membered rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2244652A DE2244652C3 (de) | 1972-09-12 | 1972-09-12 | Verfahren zur Herstellung von 2,3-Dicyan-1,4-dithiaanthrahydrochinon und -anthrachinon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1432827A true GB1432827A (en) | 1976-04-22 |
Family
ID=5856080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4259373A Expired GB1432827A (en) | 1972-09-12 | 1973-09-11 | Process for the production of 2,3-dicyano-1,4-dithiaanthrahydro quinone and -anthraquinone |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4992076A (enExample) |
| CH (1) | CH584708A5 (enExample) |
| DE (1) | DE2244652C3 (enExample) |
| GB (1) | GB1432827A (enExample) |
| IL (1) | IL43200A (enExample) |
-
1972
- 1972-09-12 DE DE2244652A patent/DE2244652C3/de not_active Expired
-
1973
- 1973-09-07 CH CH1292773A patent/CH584708A5/xx not_active IP Right Cessation
- 1973-09-11 GB GB4259373A patent/GB1432827A/en not_active Expired
- 1973-09-11 JP JP48102542A patent/JPS4992076A/ja active Pending
- 1973-09-11 IL IL43200A patent/IL43200A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2244652A1 (de) | 1974-03-21 |
| CH584708A5 (enExample) | 1977-02-15 |
| DE2244652B2 (de) | 1980-07-31 |
| IL43200A0 (en) | 1973-11-28 |
| DE2244652C3 (de) | 1981-03-19 |
| JPS4992076A (enExample) | 1974-09-03 |
| IL43200A (en) | 1976-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |