AT294054B - Verfahren zur Herstellung der Benzophenon-3,4,4'-tricarbonsäure und ihres inneren Anhydrids - Google Patents
Verfahren zur Herstellung der Benzophenon-3,4,4'-tricarbonsäure und ihres inneren AnhydridsInfo
- Publication number
- AT294054B AT294054B AT1169769A AT1169769A AT294054B AT 294054 B AT294054 B AT 294054B AT 1169769 A AT1169769 A AT 1169769A AT 1169769 A AT1169769 A AT 1169769A AT 294054 B AT294054 B AT 294054B
- Authority
- AT
- Austria
- Prior art keywords
- benzophenone
- preparation
- tricarboxylic acid
- internal anhydride
- anhydride
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/32—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing keto groups
- C07C65/34—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing keto groups polycyclic
-
- 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
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/782—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic
- C07C49/784—Ketones containing a keto group bound to a six-membered aromatic ring polycyclic with all keto groups bound to a non-condensed ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
- C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681815050 DE1815050A1 (de) | 1968-12-17 | 1968-12-17 | 3,4-4'-Benzophenontricarbonsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT294054B true AT294054B (de) | 1971-11-10 |
Family
ID=5716412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT1169769A AT294054B (de) | 1968-12-17 | 1969-12-16 | Verfahren zur Herstellung der Benzophenon-3,4,4'-tricarbonsäure und ihres inneren Anhydrids |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT294054B (de) |
| BE (1) | BE742966A (de) |
| CH (1) | CH527791A (de) |
| DE (1) | DE1815050A1 (de) |
| FR (1) | FR2026381A1 (de) |
| GB (1) | GB1257690A (de) |
| NL (1) | NL6917844A (de) |
-
1968
- 1968-12-17 DE DE19681815050 patent/DE1815050A1/de active Pending
-
1969
- 1969-11-27 NL NL6917844A patent/NL6917844A/xx unknown
- 1969-12-11 BE BE742966D patent/BE742966A/xx unknown
- 1969-12-16 AT AT1169769A patent/AT294054B/de not_active IP Right Cessation
- 1969-12-16 GB GB1257690D patent/GB1257690A/en not_active Expired
- 1969-12-16 CH CH1873869A patent/CH527791A/de not_active IP Right Cessation
- 1969-12-17 FR FR6943813A patent/FR2026381A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1815050A1 (de) | 1970-11-12 |
| BE742966A (de) | 1970-05-14 |
| NL6917844A (de) | 1970-06-19 |
| FR2026381A1 (de) | 1970-09-18 |
| CH527791A (de) | 1972-09-15 |
| GB1257690A (de) | 1971-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |