Title:
METHOD FOR PRODUCING 2-HYDROXY-1,4-NAPHTHO QUINONE
Document Type and Number:
Japanese Patent JP2017039678
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method that produces 2-hydroxy-1,4-naphtho quinone in large quantities, at high yield and at low cost.SOLUTION: 2-hydroxy naphthalene is oxidized with hydrogen peroxide water in the presence of a vanadium catalyst in (1) an alkaline aqueous solution or in a mixture of the alkaline aqueous solution and an inactive organic solvent with no compatibility to water.SELECTED DRAWING: None
Inventors:
KAKINUMA SEIJI
Application Number:
JP2015163536A
Publication Date:
February 23, 2017
Filing Date:
August 21, 2015
Export Citation:
Assignee:
AGRO KANESHO CO LTD
International Classes:
C07C46/04; C07C50/32
Attorney, Agent or Firm:
Takaki Nishijima
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Disciple Maru Ken
Shinichiro Tanaka
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa