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Title:
PROCESS FOR SYNTHESIZING 1-METHYL-2-OXO-3,6,7-TRIOXABICYCLO[2,2,2]OCTANE
Document Type and Number:
WIPO Patent Application WO/2014/106419
Kind Code:
A1
Abstract:
Disclosed is a process for synthesizing 1-methyl-2-oxo-3,6,7-trioxabicyclo[2,2,2]octane. The process uses pyruvic acid and glycerol as raw materials, p-toluene sulfonic acid as a catalyst, and dichloromethane as a water-carrying agent, and an esterification synthesis thereof is performed under a condition of 0°C-80°C. The amount of glycerol used is 1 to 10 times the molar weight of the pyruvic acid, and the amount of the catalyst used is 0.1% to 20% of the total weight of the materials.

Inventors:
LIU GUOQIN (CN)
GONG FAN (CN)
LI LIN (CN)
YANG XIAOQUAN (CN)
LI BING (CN)
LIU XINQI (CN)
Application Number:
PCT/CN2013/088725
Publication Date:
July 10, 2014
Filing Date:
December 06, 2013
Export Citation:
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Assignee:
UNIV SOUTH CHINA TECH (CN)
International Classes:
C07D493/08
Foreign References:
CN103073558A2013-05-01
Other References:
GONG, FAN ET AL.: "Synthesis and Characterization of Novel Octanoic Lactone Milk Flavor", JOURNAL OF HENAN UNIVERSITY OF TECHNOLOGY ( NATURAL SCIENCE EDITION, vol. 34, no. 3, June 2013 (2013-06-01), pages 66 - 69
GELAS, J. ET AL.: "Cyclic acetal series. XII. Synthesis of4-oxo and 4-hydroxy-3, 6, 8-trioxabicyclo[3.2.1]octanes", CARBOHYDRATE RESEARCH, vol. 30, no. 1, 1973, pages 21 - 34
Attorney, Agent or Firm:
YOGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (CN)
广州粤高专利商标代理有限公司 (CN)
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