DE2615160A1 - Neues verfahren zur herstellung von niedrigalkylestern des hemicaronsaeurealdehyds - Google Patents
Neues verfahren zur herstellung von niedrigalkylestern des hemicaronsaeurealdehydsInfo
- Publication number
- DE2615160A1 DE2615160A1 DE19762615160 DE2615160A DE2615160A1 DE 2615160 A1 DE2615160 A1 DE 2615160A1 DE 19762615160 DE19762615160 DE 19762615160 DE 2615160 A DE2615160 A DE 2615160A DE 2615160 A1 DE2615160 A1 DE 2615160A1
- Authority
- DE
- Germany
- Prior art keywords
- methyl ester
- ketal
- dimethyl
- acid
- butenoic acid
- 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.)
- Withdrawn
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
- C07D317/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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 |
|---|---|---|---|
| BE155169A BE827652A (fr) | 1975-04-07 | 1975-04-07 | Nouveau procede de preparation d'esters d'alcoyle inferieur de l'aldehyde hemicaronique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2615160A1 true DE2615160A1 (de) | 1976-10-21 |
Family
ID=3842757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762615160 Withdrawn DE2615160A1 (de) | 1975-04-07 | 1976-04-07 | Neues verfahren zur herstellung von niedrigalkylestern des hemicaronsaeurealdehyds |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021092A1 (de) * | 1979-06-12 | 1981-01-07 | Bayer Ag | Verfahren zur Herstellung von 3,3-Dimethyl-cyclopropan-1,2-dicarbonsäureestern |
| EP0022208A1 (de) * | 1979-07-05 | 1981-01-14 | Bayer Ag | Verfahren zur Herstellung von 2-Formyl-3,3-dimethyl-cyclopropan-1-carbonsäureestern |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE827652A (fr) * | 1975-04-07 | 1975-10-07 | Nouveau procede de preparation d'esters d'alcoyle inferieur de l'aldehyde hemicaronique | |
| FR2490633A1 (fr) * | 1980-09-24 | 1982-03-26 | Roussel Uclaf | Procede de preparation de derives d'acides cyclopropane carboxyliques porteurs d'une fonction aldehyde |
| FR2624511B1 (fr) * | 1987-12-11 | 1990-09-21 | Roussel Uclaf | Procede enantioselectif pour preparer des derives de l'aldehyde hemicaronique de structure trans ou cis |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE827652A (fr) * | 1975-04-07 | 1975-10-07 | Nouveau procede de preparation d'esters d'alcoyle inferieur de l'aldehyde hemicaronique |
-
1975
- 1975-04-07 BE BE155169A patent/BE827652A/xx not_active IP Right Cessation
-
1976
- 1976-03-26 DK DK134176A patent/DK134176A/da not_active IP Right Cessation
- 1976-03-31 FR FR7609336A patent/FR2306970A1/fr active Granted
- 1976-04-05 CA CA249,575A patent/CA1091250A/fr not_active Expired
- 1976-04-06 GB GB1394176A patent/GB1502527A/en not_active Expired
- 1976-04-06 IT IT4888476A patent/IT1065993B/it active
- 1976-04-06 IE IE71976A patent/IE43363B1/en unknown
- 1976-04-07 NL NL7603678A patent/NL7603678A/xx not_active Application Discontinuation
- 1976-04-07 JP JP3830476A patent/JPS5929058B2/ja not_active Expired
- 1976-04-07 JP JP3830576A patent/JPS51127050A/ja active Pending
- 1976-04-07 CH CH438276A patent/CH609027A5/xx not_active IP Right Cessation
- 1976-04-07 DE DE19762615160 patent/DE2615160A1/de not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0021092A1 (de) * | 1979-06-12 | 1981-01-07 | Bayer Ag | Verfahren zur Herstellung von 3,3-Dimethyl-cyclopropan-1,2-dicarbonsäureestern |
| EP0022208A1 (de) * | 1979-07-05 | 1981-01-14 | Bayer Ag | Verfahren zur Herstellung von 2-Formyl-3,3-dimethyl-cyclopropan-1-carbonsäureestern |
Also Published As
| Publication number | Publication date |
|---|---|
| DK134176A (da) | 1976-10-08 |
| BE827652A (fr) | 1975-10-07 |
| CA1091250A (fr) | 1980-12-09 |
| JPS5929058B2 (ja) | 1984-07-18 |
| JPS51127049A (en) | 1976-11-05 |
| CH609027A5 (en) | 1979-02-15 |
| FR2306970A1 (fr) | 1976-11-05 |
| IT1065993B (it) | 1985-03-04 |
| FR2306970B1 (US20090192370A1-20090730-C00001.png) | 1979-10-05 |
| IE43363L (en) | 1976-10-07 |
| JPS51127050A (en) | 1976-11-05 |
| NL7603678A (nl) | 1976-10-11 |
| IE43363B1 (en) | 1981-02-11 |
| GB1502527A (en) | 1978-03-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |