DE1543894A1 - Verfahren zur Herstellung von 2,3-Dimethyl-5-tert.-alkylphenolen und 2,3-Xylenol - Google Patents
Verfahren zur Herstellung von 2,3-Dimethyl-5-tert.-alkylphenolen und 2,3-XylenolInfo
- Publication number
- DE1543894A1 DE1543894A1 DE19661543894 DE1543894A DE1543894A1 DE 1543894 A1 DE1543894 A1 DE 1543894A1 DE 19661543894 DE19661543894 DE 19661543894 DE 1543894 A DE1543894 A DE 1543894A DE 1543894 A1 DE1543894 A1 DE 1543894A1
- Authority
- DE
- Germany
- Prior art keywords
- tert
- acid
- dimethyl
- sulfuric acid
- xylenol
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- 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
- C07C37/04—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 SO3H groups or a derivative thereof
-
- 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
- C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/02—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
- C07C39/06—Alkylated phenols
- C07C39/07—Alkylated phenols containing only methyl groups, e.g. cresols, xylenols
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8108465 | 1965-12-28 | ||
| JP379666 | 1966-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1543894A1 true DE1543894A1 (de) | 1970-02-05 |
Family
ID=26337435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661543894 Pending DE1543894A1 (de) | 1965-12-28 | 1966-12-19 | Verfahren zur Herstellung von 2,3-Dimethyl-5-tert.-alkylphenolen und 2,3-Xylenol |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE691848A (enrdf_load_stackoverflow) |
| CH (2) | CH489451A (enrdf_load_stackoverflow) |
| DE (1) | DE1543894A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1506170A (enrdf_load_stackoverflow) |
| GB (1) | GB1130960A (enrdf_load_stackoverflow) |
| NL (1) | NL6618177A (enrdf_load_stackoverflow) |
-
1966
- 1966-12-16 CH CH1807166A patent/CH489451A/de not_active IP Right Cessation
- 1966-12-16 GB GB5638666A patent/GB1130960A/en not_active Expired
- 1966-12-16 CH CH937569A patent/CH497357A/de not_active IP Right Cessation
- 1966-12-19 DE DE19661543894 patent/DE1543894A1/de active Pending
- 1966-12-27 NL NL6618177A patent/NL6618177A/xx unknown
- 1966-12-27 BE BE691848D patent/BE691848A/xx unknown
- 1966-12-27 FR FR88955A patent/FR1506170A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH489451A (de) | 1970-04-30 |
| BE691848A (enrdf_load_stackoverflow) | 1967-05-29 |
| CH497357A (de) | 1970-10-15 |
| GB1130960A (en) | 1968-10-16 |
| FR1506170A (fr) | 1967-12-15 |
| NL6618177A (enrdf_load_stackoverflow) | 1967-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |