GB1431132A - Process for the production of hydroquinones - Google Patents
Process for the production of hydroquinonesInfo
- Publication number
- GB1431132A GB1431132A GB1248774A GB1248774A GB1431132A GB 1431132 A GB1431132 A GB 1431132A GB 1248774 A GB1248774 A GB 1248774A GB 1248774 A GB1248774 A GB 1248774A GB 1431132 A GB1431132 A GB 1431132A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydroquinones
- benzoquinone
- phenyl
- phenylhydrazono
- propionitrile
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation
- C07C37/07—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by conversion of non-aromatic six-membered rings or of such rings formed in situ into aromatic six-membered rings, e.g. by dehydrogenation with simultaneous reduction of C=O group in that ring
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
- G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors
- G03C8/12—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism
- G03C8/14—Oxidation of the chromogenic substances
- G03C8/16—Oxidation of the chromogenic substances initially diffusible in alkaline environment
- G03C8/18—Dye developers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3283873A JPS5747649B2 (enrdf_load_stackoverflow) | 1973-03-22 | 1973-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1431132A true GB1431132A (en) | 1976-04-07 |
Family
ID=12369951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1248774A Expired GB1431132A (en) | 1973-03-22 | 1974-03-20 | Process for the production of hydroquinones |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5747649B2 (enrdf_load_stackoverflow) |
DE (1) | DE2413189C2 (enrdf_load_stackoverflow) |
GB (1) | GB1431132A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02122833U (enrdf_load_stackoverflow) * | 1989-03-10 | 1990-10-09 |
-
1973
- 1973-03-22 JP JP3283873A patent/JPS5747649B2/ja not_active Expired
-
1974
- 1974-03-19 DE DE19742413189 patent/DE2413189C2/de not_active Expired
- 1974-03-20 GB GB1248774A patent/GB1431132A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2413189C2 (de) | 1984-09-20 |
JPS49117456A (enrdf_load_stackoverflow) | 1974-11-09 |
DE2413189A1 (de) | 1974-10-03 |
JPS5747649B2 (enrdf_load_stackoverflow) | 1982-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |