FR2434794A1 - Procede de preparation d'alkylene-glycols - Google Patents
Procede de preparation d'alkylene-glycolsInfo
- Publication number
- FR2434794A1 FR2434794A1 FR7825005A FR7825005A FR2434794A1 FR 2434794 A1 FR2434794 A1 FR 2434794A1 FR 7825005 A FR7825005 A FR 7825005A FR 7825005 A FR7825005 A FR 7825005A FR 2434794 A1 FR2434794 A1 FR 2434794A1
- Authority
- FR
- France
- Prior art keywords
- oxide
- alkylene
- phosphonium salt
- quaternary phosphonium
- hydration
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
- C07C29/106—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers of oxiranes
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)
Abstract
Procédé de préparation d'alkyléne-glycols par hydratation catalytique d'oxydes d'alkylènes en présence de dioxyde de carbone. Le procédé est essentiellement caractérisé en ce qu'on utilise, comme catalyseur pour la réaction d'hydratation, un sel de phosphonium quaternaire répondant à la formule :
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7825005A FR2434794A1 (fr) | 1978-08-30 | 1978-08-30 | Procede de preparation d'alkylene-glycols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7825005A FR2434794A1 (fr) | 1978-08-30 | 1978-08-30 | Procede de preparation d'alkylene-glycols |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2434794A1 true FR2434794A1 (fr) | 1980-03-28 |
FR2434794B1 FR2434794B1 (fr) | 1981-01-30 |
Family
ID=9212199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7825005A Granted FR2434794A1 (fr) | 1978-08-30 | 1978-08-30 | Procede de preparation d'alkylene-glycols |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2434794A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2623909A (en) * | 1950-07-12 | 1952-12-30 | Celanese Corp | Hydrolysis of 1, 2-propylene oxide to 1, 2-propylene glycol |
GB1177877A (en) * | 1968-08-26 | 1970-01-14 | Vnii Neftekhim Protsessov | Process for the Production of Alkylene Glycols |
-
1978
- 1978-08-30 FR FR7825005A patent/FR2434794A1/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2623909A (en) * | 1950-07-12 | 1952-12-30 | Celanese Corp | Hydrolysis of 1, 2-propylene oxide to 1, 2-propylene glycol |
GB1177877A (en) * | 1968-08-26 | 1970-01-14 | Vnii Neftekhim Protsessov | Process for the Production of Alkylene Glycols |
Also Published As
Publication number | Publication date |
---|---|
FR2434794B1 (fr) | 1981-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |