BE869520A - Procede pour l'otention de phtalide - Google Patents
Procede pour l'otention de phtalideInfo
- Publication number
- BE869520A BE869520A BE189698A BE189698A BE869520A BE 869520 A BE869520 A BE 869520A BE 189698 A BE189698 A BE 189698A BE 189698 A BE189698 A BE 189698A BE 869520 A BE869520 A BE 869520A
- Authority
- BE
- Belgium
- Prior art keywords
- phthalide
- removal
- procedure
- Prior art date
Links
- WNZQDUSMALZDQF-UHFFFAOYSA-N 2-benzofuran-1(3H)-one Chemical compound C1=CC=C2C(=O)OCC2=C1 WNZQDUSMALZDQF-UHFFFAOYSA-N 0.000 title 2
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)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772735600 DE2735600A1 (de) | 1977-08-06 | 1977-08-06 | Verfahren zur herstellung von phthalid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE869520A true BE869520A (fr) | 1978-12-01 |
Family
ID=6015852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE189698A BE869520A (fr) | 1977-08-06 | 1978-08-04 | Procede pour l'otention de phtalide |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4211711A (fr) |
| JP (1) | JPS5430148A (fr) |
| BE (1) | BE869520A (fr) |
| DE (1) | DE2735600A1 (fr) |
| FR (1) | FR2399423A1 (fr) |
| IT (1) | IT1107781B (fr) |
| NL (1) | NL7808235A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973713A (en) * | 1989-11-28 | 1990-11-27 | E. I. Du Pont De Nemours And Company | Catalytic hydrogenation of carboxylic anhydrides to esters or lactones |
| ATE234103T1 (de) * | 1997-12-22 | 2003-03-15 | Schering Corp | Feste, oral verabreichbare ribavirin dosisformen und verfahren zu deren herstellung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065237A (en) * | 1962-11-20 | Process for preparing pyrrolidinones | ||
| US2114696A (en) * | 1935-03-30 | 1938-04-19 | Du Pont | Process of producing phthalide |
| US4113948A (en) * | 1974-02-15 | 1978-09-12 | Avgust Karlovich Aren | 1-amino-1-phthalidyl alkanes and a method for producing same |
| DE2614294C3 (de) * | 1976-04-02 | 1979-02-22 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Phthalid |
| DE2644677A1 (de) * | 1976-10-02 | 1978-04-06 | Dynamit Nobel Ag | Verfahren zur herstellung von phthalid aus phthalaldehydsaeure |
-
1977
- 1977-08-06 DE DE19772735600 patent/DE2735600A1/de not_active Withdrawn
-
1978
- 1978-07-31 FR FR7822605A patent/FR2399423A1/fr not_active Withdrawn
- 1978-08-03 JP JP9416078A patent/JPS5430148A/ja active Pending
- 1978-08-04 IT IT50605/78A patent/IT1107781B/it active
- 1978-08-04 BE BE189698A patent/BE869520A/fr unknown
- 1978-08-04 US US05/931,074 patent/US4211711A/en not_active Expired - Lifetime
- 1978-08-04 NL NL787808235A patent/NL7808235A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5430148A (en) | 1979-03-06 |
| DE2735600A1 (de) | 1979-02-15 |
| IT1107781B (it) | 1985-11-25 |
| FR2399423A1 (fr) | 1979-03-02 |
| US4211711A (en) | 1980-07-08 |
| NL7808235A (nl) | 1979-02-08 |
| IT7850605A0 (it) | 1978-08-04 |
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