Title:
【発明の名称】ε―カプロラクトンの製造法
Document Type and Number:
Japanese Patent JPH0798816
Kind Code:
B2
Abstract:
Disclosed is a process for preparing epsilon -caprolactone comprising using a percarboxylic acid solution obtained by oxidizing organic carboxylic acid in an organic solvent in the presence of hydrogen peroxide and a boric acid catalyst, and cyclohexanone, supplying 1 to 1.5 mole of percarboxylic acid, 0.012 mole or less of hydrogen peroxide and 0.04 mole or less of the boric acid catalyst per mole of cyclohexanone in a reaction system, and reacting said cyclohexanone with said percarboxylic acid to form epsilon -caprolactone.
Inventors:
Inaba Yukio
Yousuke Ueno
Takafumi Hirakawa
Toshio Takiguchi
Yousuke Ueno
Takafumi Hirakawa
Toshio Takiguchi
Application Number:
JP10767490A
Publication Date:
October 25, 1995
Filing Date:
April 25, 1990
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
B01J21/02; C07B61/00; C07C409/24; C07D313/04; C07C409/26; C07D315/00; (IPC1-7): C07D313/04; B01J21/02
Domestic Patent References:
| JP58124781A | ||||
| JP57150681A |
Attorney, Agent or Firm:
Hajime Tsukuni (1 person outside)
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