DE2248525A1 - Verfahren zur decarboxylierung von ortho- oder para-hydroxyarylcarbonsaeuren - Google Patents
Verfahren zur decarboxylierung von ortho- oder para-hydroxyarylcarbonsaeurenInfo
- Publication number
- DE2248525A1 DE2248525A1 DE19722248525 DE2248525A DE2248525A1 DE 2248525 A1 DE2248525 A1 DE 2248525A1 DE 19722248525 DE19722248525 DE 19722248525 DE 2248525 A DE2248525 A DE 2248525A DE 2248525 A1 DE2248525 A1 DE 2248525A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- alkyl
- mixture
- vehicle
- hydrogen
- 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
- 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
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
- C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
-
- 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
- C07D317/44—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 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—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 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/62—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to atoms of the carbocyclic ring
- C07D317/64—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18845571A | 1971-10-12 | 1971-10-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2248525A1 true DE2248525A1 (de) | 1973-04-19 |
Family
ID=22693229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19722248525 Pending DE2248525A1 (de) | 1971-10-12 | 1972-10-03 | Verfahren zur decarboxylierung von ortho- oder para-hydroxyarylcarbonsaeuren |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS4848431A (xx) |
AU (1) | AU4712972A (xx) |
BE (1) | BE789996A (xx) |
BR (1) | BR7207066D0 (xx) |
DE (1) | DE2248525A1 (xx) |
FR (1) | FR2156222A1 (xx) |
IT (1) | IT1050214B (xx) |
NL (1) | NL7213842A (xx) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2637923A1 (de) * | 1976-08-23 | 1978-03-02 | Maruzen Oil Co Ltd | Verfahren zur reinigung von rohem vinylphenol |
WO2020114927A1 (de) * | 2018-12-07 | 2020-06-11 | Covestro Deutschland Ag | Verfahren zur herstellung einer hydroxyverbindung durch decarboxylierung in abwesenheit eines katalysators |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4316995A (en) | 1981-02-05 | 1982-02-23 | International Flavors & Fragrances Inc. | Process for preparing vinyl phenol |
JP4802343B2 (ja) * | 2005-02-22 | 2011-10-26 | 和歌山県 | スチレン誘導体の製造方法 |
JP6008201B2 (ja) * | 2013-05-10 | 2016-10-19 | 東レ・ファインケミカル株式会社 | スチレン誘導体の製造方法 |
-
0
- BE BE789996D patent/BE789996A/xx unknown
-
1972
- 1972-09-27 AU AU47129/72A patent/AU4712972A/en not_active Expired
- 1972-10-03 DE DE19722248525 patent/DE2248525A1/de active Pending
- 1972-10-10 IT IT5326972A patent/IT1050214B/it active
- 1972-10-10 FR FR7235869A patent/FR2156222A1/fr not_active Withdrawn
- 1972-10-11 BR BR706672A patent/BR7207066D0/pt unknown
- 1972-10-12 JP JP10163672A patent/JPS4848431A/ja active Pending
- 1972-10-12 NL NL7213842A patent/NL7213842A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2637923A1 (de) * | 1976-08-23 | 1978-03-02 | Maruzen Oil Co Ltd | Verfahren zur reinigung von rohem vinylphenol |
WO2020114927A1 (de) * | 2018-12-07 | 2020-06-11 | Covestro Deutschland Ag | Verfahren zur herstellung einer hydroxyverbindung durch decarboxylierung in abwesenheit eines katalysators |
US11420918B2 (en) | 2018-12-07 | 2022-08-23 | Covestro Intellectual Property Gmbh & Co. Kg | Method for producing a hydroxy compound by decarboxylation in the absence of a catalyst |
Also Published As
Publication number | Publication date |
---|---|
IT1050214B (it) | 1981-03-10 |
NL7213842A (xx) | 1973-04-16 |
BE789996A (fr) | 1973-04-12 |
FR2156222A1 (en) | 1973-05-25 |
BR7207066D0 (pt) | 1973-08-30 |
JPS4848431A (xx) | 1973-07-09 |
AU4712972A (en) | 1974-04-04 |
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