DE1939355B2 - Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl - Google Patents
Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenylInfo
- Publication number
- DE1939355B2 DE1939355B2 DE19691939355 DE1939355A DE1939355B2 DE 1939355 B2 DE1939355 B2 DE 1939355B2 DE 19691939355 DE19691939355 DE 19691939355 DE 1939355 A DE1939355 A DE 1939355A DE 1939355 B2 DE1939355 B2 DE 1939355B2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- reduction
- water
- carried out
- yield
- 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
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691939355 DE1939355B2 (de) | 1969-08-01 | 1969-08-01 | Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691939355 DE1939355B2 (de) | 1969-08-01 | 1969-08-01 | Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1939355A1 DE1939355A1 (de) | 1971-02-11 |
DE1939355B2 true DE1939355B2 (de) | 1976-02-26 |
DE1939355C3 DE1939355C3 (enrdf_load_stackoverflow) | 1976-10-07 |
Family
ID=5741719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691939355 Granted DE1939355B2 (de) | 1969-08-01 | 1969-08-01 | Verfahren zur herstellung von 3.5.3'.5'-tetrabrom-2.4.2'.4'- tetrahydroxy-diphenyl |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1939355B2 (enrdf_load_stackoverflow) |
-
1969
- 1969-08-01 DE DE19691939355 patent/DE1939355B2/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE1939355A1 (de) | 1971-02-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
EHJ | Ceased/non-payment of the annual fee |