Title:
ジアルキルジカーボネートの製造方法
Document Type and Number:
Japanese Patent JP4521027
Kind Code:
B2
Abstract:
The novel process for preparing dialkyl dicarbonates by reacting the corresponding alkyl haloformates with alkali metal hydroxides, alkaline earth metal hydroxides and/or carbonates in the presence of water-immiscible organic solvents and in the presence of a catalyst is characterized in that the catalyst used is at least one tertiary alkylamine of the formula (I) NR1R2R3, (I) where the substituents are each as defined in the description.
Inventors:
Thomas prints
Marx Eckert
Hans-Ullrich Bushhaus
Stephen Karrat
Marx Eckert
Hans-Ullrich Bushhaus
Stephen Karrat
Application Number:
JP2007508873A
Publication Date:
August 11, 2010
Filing Date:
April 30, 2005
Export Citation:
Assignee:
LANXESS Deutschland Gamebecher
International Classes:
C07C68/02; C07C67/02; C07C68/08; C07C69/96; C07B61/00
Domestic Patent References:
| JP7196583A | ||||
| JP8501304A | ||||
| JP2202853A | ||||
| JP63051358A | ||||
| JP4356445A | ||||
| JP3184941A |
Foreign References:
| US3240796 |
Attorney, Agent or Firm:
Masatake Shiga
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro
Takashi Watanabe
Yasuhiko Murayama
Shinya Mitsuhiro