Title:
不飽和ラクトンの調製方法
Document Type and Number:
Japanese Patent JP4934025
Kind Code:
B2
Abstract:
The invention relates to a process for preparing saturated or unsaturated lactones. This process involves reacting a bicyclic compound or a monocyclic compound with hydrogen peroxide in the presence of a first acid having a pKa of 3 or less and a first organic solvent, thereby forming a hydroperoxide. The obtained mixture comprising the hydroperoxide is subsequently metered to a mixture of a second organic solvent and a dissociation-enhancing catalyst, optionally comprising a second organic acid. The invention also pertains to a process of preparing the hydroperoxide.
Inventors:
Meyer Young
Gerritsen Rene
Fishel balto
Gerritsen Rene
Fishel balto
Application Number:
JP2007512208A
Publication Date:
May 16, 2012
Filing Date:
May 10, 2005
Export Citation:
Assignee:
Simrise, Gezershaft, Mitt, Besilenktel, Haftung, und, Companion, Command, Gezershaft
International Classes:
C07D313/00; C07D311/94; C07D315/00
Domestic Patent References:
| JP2004018528A | 2004-01-22 | |||
| JPH03167295A | 1991-07-19 | |||
| JPH10251684A | 1998-09-22 | |||
| JPH08283181A | 1996-10-29 | |||
| JP2002201174A | 2002-07-16 |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama