CH490366A - Verfahren zur Herstellung von alpha,alpha-Dialkyl-beta-propiolactonen - Google Patents
Verfahren zur Herstellung von alpha,alpha-Dialkyl-beta-propiolactonenInfo
- Publication number
- CH490366A CH490366A CH1819367A CH1819367A CH490366A CH 490366 A CH490366 A CH 490366A CH 1819367 A CH1819367 A CH 1819367A CH 1819367 A CH1819367 A CH 1819367A CH 490366 A CH490366 A CH 490366A
- Authority
- CH
- Switzerland
- Prior art keywords
- alpha
- propiolactones
- dialkyl
- beta
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB57927/66A GB1131670A (en) | 1966-12-28 | 1966-12-28 | Improvements in or relating to the preparation of lactones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH490366A true CH490366A (de) | 1970-05-15 |
Family
ID=10480389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1819367A CH490366A (de) | 1966-12-28 | 1967-12-27 | Verfahren zur Herstellung von alpha,alpha-Dialkyl-beta-propiolactonen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3536731A (de) |
| BE (1) | BE708526A (de) |
| CH (1) | CH490366A (de) |
| DE (1) | DE1618996B1 (de) |
| ES (1) | ES348675A1 (de) |
| FR (1) | FR1548170A (de) |
| GB (1) | GB1131670A (de) |
| NL (1) | NL6717665A (de) |
| SE (1) | SE336574B (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2759003A (en) * | 1952-10-11 | 1956-08-14 | Goodrich Co B F | Purification of beta-lactones by aqueous alkali extraction |
| GB1122939A (en) * | 1967-07-10 | 1968-08-07 | Shell Int Research | Purification of pivalolactone |
-
1966
- 1966-12-28 GB GB57927/66A patent/GB1131670A/en not_active Expired
-
1967
- 1967-10-30 US US679180A patent/US3536731A/en not_active Expired - Lifetime
- 1967-12-27 DE DE1967S0113525 patent/DE1618996B1/de active Pending
- 1967-12-27 FR FR1548170D patent/FR1548170A/fr not_active Expired
- 1967-12-27 CH CH1819367A patent/CH490366A/de not_active IP Right Cessation
- 1967-12-27 SE SE17785/67A patent/SE336574B/xx unknown
- 1967-12-27 BE BE708526D patent/BE708526A/xx unknown
- 1967-12-27 ES ES348675A patent/ES348675A1/es not_active Expired
- 1967-12-27 NL NL6717665A patent/NL6717665A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1548170A (de) | 1968-11-29 |
| US3536731A (en) | 1970-10-27 |
| NL6717665A (de) | 1968-07-01 |
| GB1131670A (en) | 1968-10-23 |
| SE336574B (de) | 1971-07-12 |
| BE708526A (de) | 1968-06-27 |
| ES348675A1 (es) | 1969-03-16 |
| DE1618996B1 (de) | 1970-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |