CH552584A - Verfahren zur herstellung von alkylendioxyheptanonen. - Google Patents
Verfahren zur herstellung von alkylendioxyheptanonen.Info
- Publication number
- CH552584A CH552584A CH664871A CH664871A CH552584A CH 552584 A CH552584 A CH 552584A CH 664871 A CH664871 A CH 664871A CH 664871 A CH664871 A CH 664871A CH 552584 A CH552584 A CH 552584A
- Authority
- CH
- Switzerland
- Prior art keywords
- dioxyheptanons
- alkylene
- preparation
- alkylene dioxyheptanons
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/26—Radicals substituted by doubly bound oxygen or sulfur atoms or by two such atoms singly bound to the same carbon atom
-
- 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
- C07C45/75—Reactions with formaldehyde
-
- 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
- C07C49/12—Ketones containing more than one keto group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5328170A | 1970-07-08 | 1970-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH552584A true CH552584A (de) | 1974-08-15 |
Family
ID=21983122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH664871A CH552584A (de) | 1970-07-08 | 1971-05-05 | Verfahren zur herstellung von alkylendioxyheptanonen. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3767677A (de) |
| JP (1) | JPS5427341B1 (de) |
| CH (1) | CH552584A (de) |
| DE (1) | DE2129651C3 (de) |
| FR (1) | FR2100404A5 (de) |
| GB (1) | GB1312193A (de) |
| IL (1) | IL36828A (de) |
| NL (1) | NL167695C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972898A (en) * | 1975-03-20 | 1976-08-03 | Hoffmann-La Roche Inc. | Process for the preparation of 6,6-alkylenedioxyalkan-2-ones |
| US4113740A (en) * | 1977-05-17 | 1978-09-12 | Hoffmann-La Roche Inc. | Synthesis of optically active vitamin E |
-
1970
- 1970-07-08 US US00053281A patent/US3767677A/en not_active Expired - Lifetime
-
1971
- 1971-05-05 CH CH664871A patent/CH552584A/de not_active IP Right Cessation
- 1971-05-11 IL IL36828A patent/IL36828A/en unknown
- 1971-05-18 NL NL7106810A patent/NL167695C/xx not_active IP Right Cessation
- 1971-06-15 DE DE2129651A patent/DE2129651C3/de not_active Expired
- 1971-07-01 JP JP4846971A patent/JPS5427341B1/ja active Pending
- 1971-07-07 GB GB3189271A patent/GB1312193A/en not_active Expired
- 1971-07-08 FR FR7124986A patent/FR2100404A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2129651C3 (de) | 1980-10-16 |
| NL167695C (nl) | 1982-01-18 |
| GB1312193A (en) | 1973-04-04 |
| NL7106810A (de) | 1972-01-11 |
| DE2129651A1 (de) | 1972-01-13 |
| US3767677A (en) | 1973-10-23 |
| NL167695B (nl) | 1981-08-17 |
| IL36828A (en) | 1973-10-25 |
| IL36828A0 (en) | 1971-07-28 |
| DE2129651B2 (de) | 1980-02-28 |
| FR2100404A5 (de) | 1972-03-17 |
| JPS5427341B1 (de) | 1979-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |