IT955940B - Procedimento per la preparazione dei beta delta diossoenantaldeide dialchil acetali - Google Patents
Procedimento per la preparazione dei beta delta diossoenantaldeide dialchil acetaliInfo
- Publication number
- IT955940B IT955940B IT2495772A IT2495772A IT955940B IT 955940 B IT955940 B IT 955940B IT 2495772 A IT2495772 A IT 2495772A IT 2495772 A IT2495772 A IT 2495772A IT 955940 B IT955940 B IT 955940B
- Authority
- IT
- Italy
- Prior art keywords
- dioxanantaldehyd
- procedure
- preparation
- dialkyl acetals
- beta delta
- 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
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP85772A JPS5328410B2 (fr) | 1971-12-27 | 1971-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT955940B true IT955940B (it) | 1973-09-29 |
Family
ID=11485310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2495772A IT955940B (it) | 1971-12-27 | 1972-05-26 | Procedimento per la preparazione dei beta delta diossoenantaldeide dialchil acetali |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5328410B2 (fr) |
| CA (1) | CA966502A (fr) |
| CH (1) | CH553738A (fr) |
| DE (1) | DE2225818A1 (fr) |
| FR (1) | FR2165836B1 (fr) |
| GB (1) | GB1389104A (fr) |
| IT (1) | IT955940B (fr) |
| NL (1) | NL7207202A (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2918775A1 (de) * | 1979-05-10 | 1980-11-20 | Merck Patent Gmbh | Diketone, verfahren zu ihrer herstellung und ihre verwendung als komponenten fluessigkristalliner dielektrika |
| AU676689B2 (en) * | 1992-11-06 | 1997-03-20 | Rhone-Poulenc Chimie | Beta-diketones, processes for making beta-diketones and use of beta-diketones as stabilizers for PVC |
| FR2697838B1 (fr) * | 1992-11-06 | 1994-12-02 | Rhone Poulenc Chimie | Procédé de synthèse des B dicétones par une réaction de condensation de claisen. |
-
1971
- 1971-12-27 JP JP85772A patent/JPS5328410B2/ja not_active Expired
-
1972
- 1972-05-25 CA CA143,030A patent/CA966502A/en not_active Expired
- 1972-05-25 GB GB2457772A patent/GB1389104A/en not_active Expired
- 1972-05-26 IT IT2495772A patent/IT955940B/it active
- 1972-05-26 FR FR7219003A patent/FR2165836B1/fr not_active Expired
- 1972-05-26 NL NL7207202A patent/NL7207202A/xx not_active Application Discontinuation
- 1972-05-26 DE DE19722225818 patent/DE2225818A1/de active Pending
- 1972-05-26 CH CH781672A patent/CH553738A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7207202A (fr) | 1973-06-29 |
| CH553738A (fr) | 1974-09-13 |
| GB1389104A (en) | 1975-04-03 |
| CA966502A (en) | 1975-04-22 |
| FR2165836B1 (fr) | 1977-12-23 |
| JPS5328410B2 (fr) | 1978-08-15 |
| JPS4872111A (fr) | 1973-09-29 |
| FR2165836A1 (fr) | 1973-08-10 |
| DE2225818A1 (de) | 1973-07-05 |
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