CH538438A - Procédé pour la préparation de dialcoylacétals du 8. -dioxocaproaldéhyde - Google Patents
Procédé pour la préparation de dialcoylacétals du 8. -dioxocaproaldéhydeInfo
- Publication number
- CH538438A CH538438A CH765772A CH765772A CH538438A CH 538438 A CH538438 A CH 538438A CH 765772 A CH765772 A CH 765772A CH 765772 A CH765772 A CH 765772A CH 538438 A CH538438 A CH 538438A
- Authority
- CH
- Switzerland
- Prior art keywords
- dioxocaproaldehyde
- dialkylacetals
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/175—Saturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46035981A JPS5114484B1 (enrdf_load_stackoverflow) | 1971-05-26 | 1971-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH538438A true CH538438A (fr) | 1973-06-30 |
Family
ID=12457047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH765772A CH538438A (fr) | 1971-05-26 | 1972-05-24 | Procédé pour la préparation de dialcoylacétals du 8. -dioxocaproaldéhyde |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5114484B1 (enrdf_load_stackoverflow) |
| CA (1) | CA956325A (enrdf_load_stackoverflow) |
| CH (1) | CH538438A (enrdf_load_stackoverflow) |
| DE (1) | DE2225243A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2139173B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1386166A (enrdf_load_stackoverflow) |
| IT (1) | IT955938B (enrdf_load_stackoverflow) |
| NL (1) | NL7207200A (enrdf_load_stackoverflow) |
-
1971
- 1971-05-26 JP JP46035981A patent/JPS5114484B1/ja active Pending
-
1972
- 1972-05-24 DE DE19722225243 patent/DE2225243A1/de active Pending
- 1972-05-24 CH CH765772A patent/CH538438A/fr not_active IP Right Cessation
- 1972-05-25 GB GB2457672A patent/GB1386166A/en not_active Expired
- 1972-05-25 CA CA143,031A patent/CA956325A/en not_active Expired
- 1972-05-26 FR FR7219001A patent/FR2139173B1/fr not_active Expired
- 1972-05-26 IT IT2495572A patent/IT955938B/it active
- 1972-05-26 NL NL7207200A patent/NL7207200A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2139173A1 (enrdf_load_stackoverflow) | 1973-01-05 |
| CA956325A (en) | 1974-10-15 |
| IT955938B (it) | 1973-09-29 |
| FR2139173B1 (enrdf_load_stackoverflow) | 1977-06-17 |
| GB1386166A (en) | 1975-03-05 |
| DE2225243A1 (enrdf_load_stackoverflow) | 1972-12-14 |
| JPS5114484B1 (enrdf_load_stackoverflow) | 1976-05-10 |
| NL7207200A (enrdf_load_stackoverflow) | 1972-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |