IT951055B - Procedimento per la preparazione di anidride 4 cloro formil ftalica - Google Patents
Procedimento per la preparazione di anidride 4 cloro formil ftalicaInfo
- Publication number
- IT951055B IT951055B IT48255/72A IT4825572A IT951055B IT 951055 B IT951055 B IT 951055B IT 48255/72 A IT48255/72 A IT 48255/72A IT 4825572 A IT4825572 A IT 4825572A IT 951055 B IT951055 B IT 951055B
- Authority
- IT
- Italy
- Prior art keywords
- chlorine
- dioxide
- procedure
- preparation
- formyl
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/68—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings containing halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
- C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2113439A DE2113439C3 (de) | 1971-03-19 | 1971-03-19 | Verfahren zur Herstellung von 4-Chlorformyl-phthalsäureanhydrid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT951055B true IT951055B (it) | 1973-06-30 |
Family
ID=5802149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48255/72A IT951055B (it) | 1971-03-19 | 1972-02-10 | Procedimento per la preparazione di anidride 4 cloro formil ftalica |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE780851A (it) |
| DE (1) | DE2113439C3 (it) |
| FR (1) | FR2130385B1 (it) |
| GB (1) | GB1375314A (it) |
| IT (1) | IT951055B (it) |
-
1971
- 1971-03-19 DE DE2113439A patent/DE2113439C3/de not_active Expired
-
1972
- 1972-02-10 IT IT48255/72A patent/IT951055B/it active
- 1972-02-22 GB GB819872A patent/GB1375314A/en not_active Expired
- 1972-03-17 FR FR7209407A patent/FR2130385B1/fr not_active Expired
- 1972-03-17 BE BE780851A patent/BE780851A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2113439C3 (de) | 1980-01-31 |
| BE780851A (fr) | 1972-07-17 |
| FR2130385A1 (it) | 1972-11-03 |
| FR2130385B1 (it) | 1976-08-06 |
| GB1375314A (it) | 1974-11-27 |
| DE2113439A1 (de) | 1972-09-21 |
| DE2113439B2 (de) | 1979-05-17 |
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