CH630622A5 - Process for the preparation of 3-bromophthalide - Google Patents
Process for the preparation of 3-bromophthalide Download PDFInfo
- Publication number
- CH630622A5 CH630622A5 CH1401277A CH1401277A CH630622A5 CH 630622 A5 CH630622 A5 CH 630622A5 CH 1401277 A CH1401277 A CH 1401277A CH 1401277 A CH1401277 A CH 1401277A CH 630622 A5 CH630622 A5 CH 630622A5
- Authority
- CH
- Switzerland
- Prior art keywords
- bromophthalide
- bromide
- hydrogen bromide
- halogenation
- chlorophthalide
- Prior art date
Links
Classifications
-
- 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
- C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762652299 DE2652299B2 (de) | 1976-11-17 | 1976-11-17 | Verfahren zur Herstellung von 3-Bromphthalid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH630622A5 true CH630622A5 (en) | 1982-06-30 |
Family
ID=5993339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1401277A CH630622A5 (en) | 1976-11-17 | 1977-11-16 | Process for the preparation of 3-bromophthalide |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS6056147B2 (el) |
| BE (1) | BE860901A (el) |
| CH (1) | CH630622A5 (el) |
| DE (1) | DE2652299B2 (el) |
| DK (1) | DK143132C (el) |
| ES (1) | ES464174A1 (el) |
| FR (1) | FR2371440A1 (el) |
| GB (1) | GB1537815A (el) |
| IT (1) | IT1112096B (el) |
| NL (1) | NL7712620A (el) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2934822A1 (de) * | 1979-08-29 | 1981-03-19 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur herstellung von 3-bromphthalid |
| CN116041295B (zh) * | 2023-03-31 | 2023-06-06 | 寿光祥铭化工有限公司 | 一种3-溴苯酞的制备方法 |
-
1976
- 1976-11-17 DE DE19762652299 patent/DE2652299B2/de active Granted
-
1977
- 1977-11-15 GB GB4754277A patent/GB1537815A/en not_active Expired
- 1977-11-15 IT IT5181877A patent/IT1112096B/it active
- 1977-11-16 DK DK507977A patent/DK143132C/da not_active IP Right Cessation
- 1977-11-16 JP JP13775977A patent/JPS6056147B2/ja not_active Expired
- 1977-11-16 NL NL7712620A patent/NL7712620A/xx not_active Application Discontinuation
- 1977-11-16 ES ES464174A patent/ES464174A1/es not_active Expired
- 1977-11-16 CH CH1401277A patent/CH630622A5/de not_active IP Right Cessation
- 1977-11-16 FR FR7734473A patent/FR2371440A1/fr active Granted
- 1977-11-17 BE BE182675A patent/BE860901A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2371440A1 (fr) | 1978-06-16 |
| JPS5363372A (en) | 1978-06-06 |
| IT1112096B (it) | 1986-01-13 |
| FR2371440B1 (el) | 1982-07-09 |
| DK143132C (da) | 1981-11-23 |
| BE860901A (fr) | 1978-03-16 |
| DE2652299A1 (de) | 1978-05-18 |
| DE2652299B2 (de) | 1978-08-31 |
| DK507977A (da) | 1978-05-18 |
| ES464174A1 (es) | 1978-09-01 |
| GB1537815A (en) | 1979-01-04 |
| DK143132B (da) | 1981-06-29 |
| JPS6056147B2 (ja) | 1985-12-09 |
| DE2652299C3 (el) | 1979-04-26 |
| NL7712620A (nl) | 1978-05-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |