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Patent Searching and Data


Title:
MANUFACTURING METHOD OF 1,2,4-OXADIAZOLE DERIVATIVE
Document Type and Number:
Japanese Patent JP2007084449
Kind Code:
A
Abstract:

To provide a method for manufacturing an aimed 1,2,4-oxadiazole derivative from an O-acylamidoxime compound bearing an easily hydrolyzable substituent group in a high yield by simple purification while suppressing side reactions.

The manufacturing method of the 1,2,4-oxadiazole derivative represented by general formula (II) comprises subjecting the O-acylamidoxime compound represented by general formula (I) [wherein R1 and R2 are each independently a substituted or unsubstituted alkyl, alkenyl, alkynyl, aryl or heterocyclic group] to a ring closure reaction in the presence of a cyclic acid anhydride.


Inventors:
TAKAHASHI MAKOTO
Application Number:
JP2005271999A
Publication Date:
April 05, 2007
Filing Date:
September 20, 2005
Export Citation:
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Assignee:
FUJIFILM CORP
International Classes:
C07D271/06
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Kiyozumi Yazawa