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 |
NL7310539A NL7310539A (de) | 1972-08-01 | 1973-07-30 | |
BE133993A BE802946A (fr) | 1972-08-01 | 1973-07-30 | Procede de fabrication de pyrocatechime |
JP8503673A JPS4955634A (de) | 1972-08-01 | 1973-07-30 | |
DD16956373A DD106348A5 (de) | 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 |
---|---|
DE2237808B1 DE2237808B1 (de) | 1973-10-18 |
DE2237808A1 DE2237808A1 (de) | 1973-10-18 |
DE2237808C2 true DE2237808C2 (de) | 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)
Country | Link |
---|---|
JP (1) | JPS4955634A (de) |
BE (1) | BE802946A (de) |
BG (1) | BG21012A3 (de) |
DD (1) | DD106348A5 (de) |
DE (1) | DE2237808B1 (de) |
FR (1) | FR2194675A1 (de) |
NL (1) | NL7310539A (de) |
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 BE BE133993A patent/BE802946A/xx unknown
- 1973-07-30 NL NL7310539A patent/NL7310539A/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 |
---|---|
DD106348A5 (de) | 1974-06-12 |
JPS4955634A (de) | 1974-05-30 |
BE802946A (fr) | 1974-01-30 |
DE2237808B1 (de) | 1973-10-18 |
NL7310539A (de) | 1974-02-05 |
DE2237808A1 (de) | 1973-10-18 |
FR2194675A1 (en) | 1974-03-01 |
BG21012A3 (bg) | 1976-01-20 |
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) |