IT943315B - Procedimento per la preparazione di catecolo e idrochinon - Google Patents
Procedimento per la preparazione di catecolo e idrochinonInfo
- Publication number
- IT943315B IT943315B IT71169/71A IT7116971A IT943315B IT 943315 B IT943315 B IT 943315B IT 71169/71 A IT71169/71 A IT 71169/71A IT 7116971 A IT7116971 A IT 7116971A IT 943315 B IT943315 B IT 943315B
- Authority
- IT
- Italy
- Prior art keywords
- idroquinon
- catechol
- procedure
- preparation
- Prior art date
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
- C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45125873A JPS5111103B1 (it) | 1970-12-30 | 1970-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT943315B true IT943315B (it) | 1973-04-02 |
Family
ID=14921025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT71169/71A IT943315B (it) | 1970-12-30 | 1971-12-21 | Procedimento per la preparazione di catecolo e idrochinon |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3825604A (it) |
| JP (1) | JPS5111103B1 (it) |
| CA (1) | CA919708A (it) |
| CH (1) | CH564500A5 (it) |
| DE (1) | DE2162589A1 (it) |
| FR (1) | FR2121093A5 (it) |
| GB (1) | GB1327365A (it) |
| IT (1) | IT943315B (it) |
| NL (1) | NL7118115A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT979201B (it) * | 1973-02-16 | 1974-09-30 | Brichima Spa | Processo per la preparazione di difenoli |
| JPS50126628A (it) * | 1974-03-23 | 1975-10-04 | ||
| GB1448357A (en) * | 1974-04-04 | 1976-09-08 | Ube Industries | Process for preparing dihydric phenol derivatives |
| GB1448358A (en) * | 1974-04-04 | 1976-09-08 | Ube Industries | Process for preparint dihydric phenol derivatives |
| JPS51133240A (en) * | 1975-05-16 | 1976-11-18 | Ube Ind Ltd | Process for preparation of divalent phenol |
| DE3308726C2 (de) * | 1983-03-11 | 1991-01-24 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von Dihydroxybenzolen |
-
1970
- 1970-12-30 JP JP45125873A patent/JPS5111103B1/ja active Pending
-
1971
- 1971-12-07 CA CA129484A patent/CA919708A/en not_active Expired
- 1971-12-10 GB GB5750571A patent/GB1327365A/en not_active Expired
- 1971-12-13 CH CH1817671A patent/CH564500A5/xx not_active IP Right Cessation
- 1971-12-16 DE DE19712162589 patent/DE2162589A1/de active Pending
- 1971-12-20 US US00210214A patent/US3825604A/en not_active Expired - Lifetime
- 1971-12-21 IT IT71169/71A patent/IT943315B/it active
- 1971-12-29 FR FR7147360A patent/FR2121093A5/fr not_active Expired
- 1971-12-30 NL NL7118115A patent/NL7118115A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2162589A1 (de) | 1972-07-20 |
| GB1327365A (en) | 1973-08-22 |
| CA919708A (en) | 1973-01-23 |
| CH564500A5 (it) | 1975-07-31 |
| US3825604A (en) | 1974-07-23 |
| NL7118115A (it) | 1972-07-04 |
| JPS5111103B1 (it) | 1976-04-08 |
| FR2121093A5 (it) | 1972-08-18 |
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