SE417513B - Forfarande for framstellning av laktoner av hydroxicyklopentanettiksyra - Google Patents
Forfarande for framstellning av laktoner av hydroxicyklopentanettiksyraInfo
- Publication number
- SE417513B SE417513B SE7502311A SE7502311A SE417513B SE 417513 B SE417513 B SE 417513B SE 7502311 A SE7502311 A SE 7502311A SE 7502311 A SE7502311 A SE 7502311A SE 417513 B SE417513 B SE 417513B
- Authority
- SE
- Sweden
- Prior art keywords
- hydroxyclopentanetic
- lacts
- procedure
- preparation
- acid
- 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
- C07D307/93—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 condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44710374A | 1974-03-01 | 1974-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7502311L SE7502311L (nl) | 1975-09-02 |
| SE417513B true SE417513B (sv) | 1981-03-23 |
Family
ID=23775005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7502311A SE417513B (sv) | 1974-03-01 | 1975-02-28 | Forfarande for framstellning av laktoner av hydroxicyklopentanettiksyra |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5843395B2 (nl) |
| BE (1) | BE826149A (nl) |
| CA (1) | CA1060031A (nl) |
| CH (2) | CH605885A5 (nl) |
| DE (1) | DE2508281C3 (nl) |
| DK (1) | DK153946C (nl) |
| FR (1) | FR2264026B1 (nl) |
| GB (1) | GB1494758A (nl) |
| IT (1) | IT1033236B (nl) |
| NL (1) | NL7502395A (nl) |
| SE (1) | SE417513B (nl) |
-
1975
- 1975-02-26 DK DK075575A patent/DK153946C/da not_active IP Right Cessation
- 1975-02-26 DE DE2508281A patent/DE2508281C3/de not_active Expired
- 1975-02-27 IT IT20707/75A patent/IT1033236B/it active
- 1975-02-27 GB GB8263/75A patent/GB1494758A/en not_active Expired
- 1975-02-28 FR FR7506440A patent/FR2264026B1/fr not_active Expired
- 1975-02-28 JP JP50024907A patent/JPS5843395B2/ja not_active Expired
- 1975-02-28 CH CH260275A patent/CH605885A5/xx not_active IP Right Cessation
- 1975-02-28 NL NL7502395A patent/NL7502395A/nl unknown
- 1975-02-28 SE SE7502311A patent/SE417513B/xx not_active IP Right Cessation
- 1975-02-28 BE BE153886A patent/BE826149A/xx not_active IP Right Cessation
- 1975-02-28 CH CH1393877A patent/CH605886A5/xx not_active IP Right Cessation
- 1975-03-06 CA CA221,374A patent/CA1060031A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1494758A (en) | 1977-12-14 |
| FR2264026A1 (nl) | 1975-10-10 |
| DE2508281A1 (de) | 1975-09-04 |
| DK75575A (nl) | 1975-11-03 |
| JPS5843395B2 (ja) | 1983-09-27 |
| FR2264026B1 (nl) | 1978-04-21 |
| DK153946C (da) | 1989-02-06 |
| DE2508281B2 (de) | 1979-08-23 |
| CA1060031A (en) | 1979-08-07 |
| NL7502395A (nl) | 1975-09-03 |
| BE826149A (fr) | 1975-06-16 |
| CH605886A5 (nl) | 1978-10-13 |
| DE2508281C3 (de) | 1980-04-30 |
| IT1033236B (it) | 1979-07-10 |
| CH605885A5 (nl) | 1978-10-13 |
| SE7502311L (nl) | 1975-09-02 |
| JPS50123656A (nl) | 1975-09-29 |
| DK153946B (da) | 1988-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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