FR1272649A - Procédé de préparation de dialcoyl-cétènes - Google Patents
Procédé de préparation de dialcoyl-cétènesInfo
- Publication number
- FR1272649A FR1272649A FR839371A FR839371A FR1272649A FR 1272649 A FR1272649 A FR 1272649A FR 839371 A FR839371 A FR 839371A FR 839371 A FR839371 A FR 839371A FR 1272649 A FR1272649 A FR 1272649A
- Authority
- FR
- France
- Prior art keywords
- preparation
- ketenes
- dialkyl
- dialkyl ketenes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/88—Ketenes; Dimeric ketenes
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/73—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with hydrogenation
-
- 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
- C07C45/87—Preparation of ketenes or dimeric ketenes
- C07C45/89—Preparation of ketenes or dimeric ketenes from carboxylic acids, their anhydrides, esters or halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/385—Saturated compounds containing a keto group being part of a ring
- C07C49/39—Saturated compounds containing a keto group being part of a ring of a three- or four-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR839371A FR1272649A (fr) | 1960-09-23 | 1960-09-23 | Procédé de préparation de dialcoyl-cétènes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR839371A FR1272649A (fr) | 1960-09-23 | 1960-09-23 | Procédé de préparation de dialcoyl-cétènes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1272649A true FR1272649A (fr) | 1961-09-29 |
Family
ID=8739544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR839371A Expired FR1272649A (fr) | 1960-09-23 | 1960-09-23 | Procédé de préparation de dialcoyl-cétènes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1272649A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993004026A1 (fr) * | 1991-08-20 | 1993-03-04 | Eastman Kodak Company | Procede de production de 2,2,4,4-tetramethylcyclobutanediol |
-
1960
- 1960-09-23 FR FR839371A patent/FR1272649A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993004026A1 (fr) * | 1991-08-20 | 1993-03-04 | Eastman Kodak Company | Procede de production de 2,2,4,4-tetramethylcyclobutanediol |
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