Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD FOR PRODUCING KETONE
Document Type and Number:
Japanese Patent JP2002173451
Kind Code:
A
Abstract:

To produce a ketone from a secondary alcohol corresponding thereto with high yield and selectivity by using a small amount of a bromic acid or a salt thereof.

The ketone is produced by oxidizing the corresponding secondary alcohol in the presence of an oxidizing reagent composed of the bromic acid or the salt thereof and a reducing inorganic compound. The ratio of the bromic acid or the salt thereof is 0.45-0.9 equivalent based on hydroxyl group of the secondary alcohol. The secondary alcohol may be a cycloalkanediol or the like. The ratio of the reducing inorganic compound may be about 0.2-0.6 equivalent based on 1 equivalent of the bromic acid or the salt thereof. The reducing inorganic compound may be a sulfite, a hydrogensulfite, a pyrosulfite, a thiosulfate, etc. The concentration of the secondary alcohol in the reaction system may be ≥5 wt.%.


Inventors:
ISHII YASUTAKA
NAKANO TATSUYA
SATO YASUSHI
Application Number:
JP2000370208A
Publication Date:
June 21, 2002
Filing Date:
December 05, 2000
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAICEL CHEM
International Classes:
C07B41/06; C07C45/30; C07C49/403; (IPC1-7): C07B41/06; C07C45/30; C07C49/403
Attorney, Agent or Firm:
鍬田 充生