BE853163A - Procede de preparation de phtalide - Google Patents
Procede de preparation de phtalideInfo
- Publication number
- BE853163A BE853163A BE176354A BE176354A BE853163A BE 853163 A BE853163 A BE 853163A BE 176354 A BE176354 A BE 176354A BE 176354 A BE176354 A BE 176354A BE 853163 A BE853163 A BE 853163A
- Authority
- BE
- Belgium
- Prior art keywords
- phthalide
- preparation process
- preparation
- phthalide preparation
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2614294A DE2614294C3 (de) | 1976-04-02 | 1976-04-02 | Verfahren zur Herstellung von Phthalid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE853163A true BE853163A (fr) | 1977-10-03 |
Family
ID=5974313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE176354A BE853163A (fr) | 1976-04-02 | 1977-04-01 | Procede de preparation de phtalide |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4116976A (fr) |
| JP (1) | JPS52122359A (fr) |
| BE (1) | BE853163A (fr) |
| CA (1) | CA1080726A (fr) |
| DE (1) | DE2614294C3 (fr) |
| FR (1) | FR2346344A1 (fr) |
| GB (1) | GB1568902A (fr) |
| IT (1) | IT1086735B (fr) |
| NL (1) | NL7703589A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2720929A1 (de) * | 1977-05-10 | 1978-11-16 | Dynamit Nobel Ag | Verfahren zur herstellung von phthalid |
| DE2735503A1 (de) * | 1977-08-06 | 1979-02-15 | Dynamit Nobel Ag | Verfahren zur herstellung von phthalid |
| DE2735600A1 (de) * | 1977-08-06 | 1979-02-15 | Dynamit Nobel Ag | Verfahren zur herstellung von phthalid |
| JPS5791984A (en) * | 1980-11-29 | 1982-06-08 | New Japan Chem Co Ltd | Preparation of lactone |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2114696A (en) * | 1935-03-30 | 1938-04-19 | Du Pont | Process of producing phthalide |
-
1976
- 1976-04-02 DE DE2614294A patent/DE2614294C3/de not_active Expired
-
1977
- 1977-03-31 IT IT48763/77A patent/IT1086735B/it active
- 1977-03-31 FR FR7709710A patent/FR2346344A1/fr not_active Withdrawn
- 1977-03-31 JP JP3693377A patent/JPS52122359A/ja active Pending
- 1977-04-01 US US05/783,575 patent/US4116976A/en not_active Expired - Lifetime
- 1977-04-01 BE BE176354A patent/BE853163A/fr unknown
- 1977-04-01 NL NL7703589A patent/NL7703589A/xx not_active Application Discontinuation
- 1977-04-01 GB GB13945/77A patent/GB1568902A/en not_active Expired
- 1977-04-01 CA CA275,358A patent/CA1080726A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1080726A (fr) | 1980-07-01 |
| JPS52122359A (en) | 1977-10-14 |
| DE2614294A1 (de) | 1977-10-13 |
| US4116976A (en) | 1978-09-26 |
| DE2614294C3 (de) | 1979-02-22 |
| NL7703589A (nl) | 1977-10-04 |
| GB1568902A (en) | 1980-06-11 |
| DE2614294B2 (de) | 1978-06-29 |
| FR2346344A1 (fr) | 1977-10-28 |
| IT1086735B (it) | 1985-05-31 |
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