Method for producing halogenated hydrocarbon magnesium compound and methods for producing tertiary alcohol compound and organosilicon compound

Patent metadata

Field	Value
Publication number	US-12281059-B2
Application number	US-202117795207-A
Country	US
Kind code	B2
Filing date	Jan 21, 2021
Priority date	Jan 27, 2020
Publication date	Apr 22, 2025
Grant date	Apr 22, 2025

Abstract

Provided is a method for producing a halogenated hydrocarbon magnesium compound, the method including bringing a halogenated hydrocarbon compound into contact with magnesium having a specific surface area of 1×10 −5 to 2×10 −4 m 2 /g. Also provided are methods for producing a tertiary alcohol compound and an organosilicon compound, wherein said production method is utilized.

First claim

The invention claimed is:

1. A method for producing a halogenated hydrocarbon magnesium compound, the method comprising contacting a halogenated hydrocarbon compound with magnesium having a specific surface area of 1×10 −5 to 2×10 −4 m 2 /g.

2. The method for producing a halogenated hydrocarbon magnesium compound according to claim 1 ,
wherein the halogenated hydrocarbon compound is at least one selected from a mono-halogenated alkyl compound and a di-halogenated alkyl compound represented by the following formula (1):
X—R—X  (1)

wherein R represents a linear or branched alkyl group having 1 to 8 carbon atoms and X represents a halogen atom.

3. The method for producing a halogenated hydrocarbon magnesium compound according to claim 1 , wherein the halogenated hydrocarbon compound is a hydrocarbon bromide compound.

4. The method for producing a halogenated hydrocarbon magnesium compound according to claim 1 , wherein the halogenated hydrocarbon compound is contacted with the magnesium at a temperature between −78° C. and 100° C.

5. The method for producing a halogenated hydrocarbon magnesium compound according to claim 1 , wherein a solution containing the halogenated hydrocarbon compound is contacted with the magnesium.

6. The method for producing a halogenated hydrocarbon magnesium compound according to claim 5 , wherein the solution containing the halogenated hydrocarbon compound is passed through a packed tower filled with the magnesium.

7. The method for producing a halogenated hydrocarbon magnesium compound according to claim 6 , wherein the solution containing the halogenated hydrocarbon compound is repeatedly passed through the packed tower filled with the magnesium.

8. The method for producing a halogenated hydrocarbon magnesium compound according to claim 6 , wherein a plurality of packed towers each filled with the magnesium exist and the solution containing the halogenated hydrocarbon compound is passed through the plurality of packed towers.

9. The method for producing a halogenated hydrocarbon magnesium compound according to claim 6 , wherein the solution containing the halogenated hydrocarbon compound has a temperature between −78° C. and 100° C.

10. A method for producing a tertiary alcohol compound, comprising:
producing a halogenated hydrocarbon magnesium compound by the method according to claim 1 , and
contacting the halogenated hydrocarbon magnesium compound with a ketone compound.

11. A method for producing an organosilicon compound, comprising:
producing a halogenated hydrocarbon magnesium compound by the production method according to claim 1 , and
contacting the halogenated hydrocarbon magnesium compound with a silicon compound selected from a chlorosilane compound and an alkoxysilane compound.

Assignees

• Tokuyama Corp

Inventors

• Oda Hiroyuki
• Nishimoto Ryosuke
• ABIKO Daisuke
• Isomura Takenori

Classifications

• C07F7/1804

  Compounds having Si-O-C linkages (Si-O-acyl linkages C07F7/1896) · CPC title

• C07F7/12

  Organo silicon halides · CPC title

• C07F3/02 Primary

  Magnesium compounds · CPC title

• C07C31/125

  containing five to twenty-two carbon atoms · CPC title

• C07C29/40 Primary

  with compounds containing carbon-to-metal bonds · CPC title