DE2237808C2 - - Google Patents
Info
- Publication number
- DE2237808C2 DE2237808C2 DE2237808A DE2237808A DE2237808C2 DE 2237808 C2 DE2237808 C2 DE 2237808C2 DE 2237808 A DE2237808 A DE 2237808A DE 2237808 A DE2237808 A DE 2237808A DE 2237808 C2 DE2237808 C2 DE 2237808C2
- Authority
- DE
- Germany
- 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
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/02—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722237808 DE2237808B1 (de) | 1972-08-01 | 1972-08-01 | Verfahren zur herstellung von brenzcatechin |
| BG024201A BG21012A3 (bg) | 1972-08-01 | 1973-07-24 | Метод за получаване на 1,2 дихидроксибензол |
| BE133993A BE802946A (fr) | 1972-08-01 | 1973-07-30 | Procede de fabrication de pyrocatechime |
| JP8503673A JPS4955634A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-01 | 1973-07-30 | |
| NL7310539A NL7310539A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-01 | 1973-07-30 | |
| DD16956373A DD106348A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-08-01 | 1973-07-31 | |
| FR7328260A FR2194675A1 (en) | 1972-08-01 | 1973-08-01 | Pyrocatechol prodn - by hydrolysing 2-chlorophenol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722237808 DE2237808B1 (de) | 1972-08-01 | 1972-08-01 | Verfahren zur herstellung von brenzcatechin |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2237808A1 DE2237808A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-18 |
| DE2237808B1 DE2237808B1 (de) | 1973-10-18 |
| DE2237808C2 true DE2237808C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-16 |
Family
ID=5852355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722237808 Granted DE2237808B1 (de) | 1972-08-01 | 1972-08-01 | Verfahren zur herstellung von brenzcatechin |
Country Status (7)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01113324A (ja) * | 1987-10-27 | 1989-05-02 | Nippon Zeon Co Ltd | アルカリ水溶液からのカテコール類の分離方法 |
-
1972
- 1972-08-01 DE DE19722237808 patent/DE2237808B1/de active Granted
-
1973
- 1973-07-24 BG BG024201A patent/BG21012A3/xx unknown
- 1973-07-30 NL NL7310539A patent/NL7310539A/xx unknown
- 1973-07-30 BE BE133993A patent/BE802946A/xx unknown
- 1973-07-30 JP JP8503673A patent/JPS4955634A/ja active Pending
- 1973-07-31 DD DD16956373A patent/DD106348A5/xx unknown
- 1973-08-01 FR FR7328260A patent/FR2194675A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4955634A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-30 |
| DD106348A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-12 |
| FR2194675A1 (en) | 1974-03-01 |
| DE2237808A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-10-18 |
| BG21012A3 (bg) | 1976-01-20 |
| DE2237808B1 (de) | 1973-10-18 |
| NL7310539A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-02-05 |
| BE802946A (fr) | 1974-01-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Publication of the examined application without previous publication of unexamined application | ||
| C2 | Grant after previous publication (2nd publication) |