Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PRODUCING ALKYNECARBOXYLIC ACID
Document Type and Number:
Japanese Patent JP3829129
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a method for producing an alkynecarboxylic acid (alkynoic acid), by oxidizing an alkyne alcohol (aklynol).
SOLUTION: This method for producing the alkynecarboxylic acid comprises oxidizing the alkyne alcohol by using a hypohalite salt in the presence of a nitroxy compound in a condition of a pH 7 or higher, wherein the alkyne alcohol and the hypohalite salt are continuously added to a reaction mixture thereof.


Inventors:
Jürgen Stoller
Elke Fritz-Langhals
Christian Bruning House
Application Number:
JP2003331417A
Publication Date:
October 04, 2006
Filing Date:
September 24, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Consortium fuer elektrochemische Industrie GmbH
International Classes:
C07C51/29; C07B61/00; C07C57/18; C07C57/20; C07C57/22; (IPC1-7): C07C51/29; C07C57/18; C07C57/20; C07C57/22; //C07B61/00
Domestic Patent References:
JP2002511440A
JP2001329001A
JP5194334A
JP2001348357A
JP49135908A
Foreign References:
WO2001053240A1
Other References:
M.Zhao et al.,Oxidation of Primary Alcohols to Carboxylic Acids with Sodium Chlorite Catalyzed by TEMPO and Bleach,J. Org. Chem.,米国,1999年,64, 2564-2566
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel