DE122851C - - Google Patents
Info
- Publication number
- DE122851C DE122851C DENDAT122851D DE122851DA DE122851C DE 122851 C DE122851 C DE 122851C DE NDAT122851 D DENDAT122851 D DE NDAT122851D DE 122851D A DE122851D A DE 122851DA DE 122851 C DE122851 C DE 122851C
- Authority
- DE
- Germany
- Prior art keywords
- protocatechualdehyde
- vanillin
- dimethyl sulfate
- added
- patent specification
- 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.)
- Active
Links
Classifications
-
- 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
- C07C45/70—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 with functional groups containing oxygen only in singly bound form
- C07C45/71—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 with functional groups containing oxygen only in singly bound form being hydroxy groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE122851C true DE122851C (enrdf_load_stackoverflow) |
Family
ID=391743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT122851D Active DE122851C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE122851C (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878292A (en) * | 1955-06-20 | 1959-03-17 | Crown Zellerbach Corp | Purification of bourbonal |
| FR2177693A1 (enrdf_load_stackoverflow) * | 1972-03-27 | 1973-11-09 | Hoffmann La Roche |
-
0
- DE DENDAT122851D patent/DE122851C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2878292A (en) * | 1955-06-20 | 1959-03-17 | Crown Zellerbach Corp | Purification of bourbonal |
| FR2177693A1 (enrdf_load_stackoverflow) * | 1972-03-27 | 1973-11-09 | Hoffmann La Roche |
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