DE1033660B - Process for the preparation of triorganosilanes - Google Patents
Process for the preparation of triorganosilanesInfo
- Publication number
- DE1033660B DE1033660B DEK30468A DEK0030468A DE1033660B DE 1033660 B DE1033660 B DE 1033660B DE K30468 A DEK30468 A DE K30468A DE K0030468 A DEK0030468 A DE K0030468A DE 1033660 B DE1033660 B DE 1033660B
- Authority
- DE
- Germany
- Prior art keywords
- triorganosilanes
- preparation
- weight
- parts
- reaction
- 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
- 238000000034 method Methods 0.000 title claims description 5
- -1 alkylaluminum hydrides Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- CLGBLZKWJQDEFZ-UHFFFAOYSA-N [Al+3].[O-][SiH3].[O-][SiH3].[O-][SiH3] Chemical class [Al+3].[O-][SiH3].[O-][SiH3].[O-][SiH3] CLGBLZKWJQDEFZ-UHFFFAOYSA-N 0.000 description 1
- 125000005234 alkyl aluminium group Chemical group 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- SIPUZPBQZHNSDW-UHFFFAOYSA-N bis(2-methylpropyl)aluminum Chemical compound CC(C)C[Al]CC(C)C SIPUZPBQZHNSDW-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0896—Compounds with a Si-H linkage
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Description
Verfahren zur Herstellung von Triorganosilanen Gegenstand des Patents 1009 631 ist ein Verfahren zur Herstellung von Triorganosilanen durch Umsetzung von Hexaorganodisiloxanen mit Aluminiumtrialkylen bzw. deren Ätheraten bei erhöhter Temperatur. Die bei dieser Umsetzung als Nebenprodukte erhaltenen Aluminiumsilanolate können durch Hydrolyse in Hexaorganodisiloxane übergeführt und wieder zur Umsetzung mit den aluminiumorganischen Verbindungen verwendet werden.Process for the production of triorganosilanes The subject of patent 1009 631 is a process for the production of triorganosilanes by reacting hexaorganodisiloxanes with aluminum trialkyls or their etherates at elevated temperature. The aluminum silanolates obtained as by-products in this reaction can be converted into hexaorganodisiloxanes by hydrolysis and used again for the reaction with the organoaluminum compounds.
Es wurde nun gefunden, daß in weiterer Ausbildung dieses Verfahrens außer den Aluminiumtrialkylen vorteilhaft auch Alkylaluminiumhydride benutzt werden können. Die Umsetzung verläuft analog der im Hauptpatent beschriebenen z. B. nach folgender Gleichung: (R = Alkyl, Aryl, Aralkyl; R' = Alkyl) R6Si20+R2 AIH->R3SiH+R2 Al (OSiRs). Das als Nebenprodukt entstandene Dialkylaluminiumtrialkylsilanolat kann gemäß dem Hauptpatent zu Hexaorganodisiloxan hydrolys.iert und wieder mit Alkylaluminiumhydrid umgesetzt werden.It has now been found that in further development of this process Besides the aluminum trialkyls, it is also advantageous to use alkylaluminum hydrides can. The implementation is analogous to that described in the main patent z. B. after following equation: (R = alkyl, aryl, aralkyl; R '= alkyl) R6Si20 + R2 AIH-> R3SiH + R2 Al (OSiRs). The dialkylaluminum trialkylsilanolate formed as a by-product can hydrolys.iert according to the main patent to hexaorganodisiloxane and again with alkyl aluminum hydride implemented.
Die Umsetzung wird zweckmäßig bei Temperaturen zwischen -f-20 und -I-120° C und gegebenenfalls in Gegenwart eines Lösungsmittels vorgenommen.The reaction is expediently carried out at temperatures between -f-20 and -I-120 ° C and optionally made in the presence of a solvent.
Ausführungsbeispiel Zu 31 Gewichtsteilen Hexamethyldisiloxan wurden unter Rühren bei 80 bis 100° C 31 Gewichtsteile Diisobutylaluminiumhydrid zugetropft. Erhalten wurden 13 Gewichtsteile Trimethylsilan, was einer Ausbeute von 81 % entspricht. Daneben wurden 49 Gewichtsteile einer zur Hauptsache aus Diisobutylaluminiumtrimethylsilanolat bestehenden, farblosen Kristallmasse erhalten. Die Substanz destilliert zwischen 165 und 175° C bei 1,5 mm ab.Exemplary embodiment To 31 parts by weight of hexamethyldisiloxane were added 31 parts by weight of diisobutylaluminum hydride were added dropwise with stirring at 80 to 100 ° C. 13 parts by weight of trimethylsilane were obtained, which corresponds to a yield of 81%. In addition, 49 parts by weight of one was mainly composed of diisobutylaluminum trimethylsilanolate existing, colorless crystal mass obtained. The substance distills between 165 and 175 ° C at 1.5 mm.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK30468A DE1033660B (en) | 1955-11-29 | 1955-11-29 | Process for the preparation of triorganosilanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK30468A DE1033660B (en) | 1955-11-29 | 1955-11-29 | Process for the preparation of triorganosilanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1033660B true DE1033660B (en) | 1958-07-10 |
Family
ID=7218844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEK30468A Pending DE1033660B (en) | 1955-11-29 | 1955-11-29 | Process for the preparation of triorganosilanes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1033660B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6616009A (en) * | 1965-11-15 | 1967-05-16 | ||
| FR2265753A1 (en) * | 1974-03-27 | 1975-10-24 | Wacker Chemie Gmbh |
-
1955
- 1955-11-29 DE DEK30468A patent/DE1033660B/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6616009A (en) * | 1965-11-15 | 1967-05-16 | ||
| FR2265753A1 (en) * | 1974-03-27 | 1975-10-24 | Wacker Chemie Gmbh |
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