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Title:
HIGH-PURITY EPOXY COMPOUND AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2013/021851
Kind Code:
A1
Abstract:
Provided are: N,N,N',N'-tetraglycidyl-3,3'-diaminodiphenyl ether; and a method for producing same. N,N,N',N'-tetraglycidyl-3,3'-diaminodiphenyl ether is produced by an addition reaction step wherein 3,3'-diaminodiphenyl ether and epihalohydrin are reacted with each other in a solvent that contains a protic solvent, thereby producing N,N,N',N'-tetrakis(3-halo-2-hydroxypropyl)-3,3'- diaminodiphenyl ether and a cyclization reaction step wherein the N,N,N',N'-tetraglycidyl(3-halo-2-hydroxypropyl)-3,3'- diaminodiphenyl ether is treated with an alkali for dehydrohalogenation.

Inventors:
ISHIKAWA MICHIYA (JP)
KATO HIDETOSHI (JP)
NAKATANI JIRO (JP)
TAIKO HIROSHI (JP)
SAKATA HIROAKI (US)
ARAI ATSUHITO (JP)
Application Number:
PCT/JP2012/069355
Publication Date:
February 14, 2013
Filing Date:
July 30, 2012
Export Citation:
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Assignee:
TORAY FINECHEMICALS CO LTD (JP)
ISHIKAWA MICHIYA (JP)
KATO HIDETOSHI (JP)
NAKATANI JIRO (JP)
TAIKO HIROSHI (JP)
SAKATA HIROAKI (US)
ARAI ATSUHITO (JP)
International Classes:
C07D303/36; C07D301/27; C07B61/00
Domestic Patent References:
WO2011118106A12011-09-29
Foreign References:
CN102031082A2011-04-27
JPS5973577A1984-04-25
JPS6351363A1988-03-04
Attorney, Agent or Firm:
Seiryu Patent Professional Corporation et al. (JP)
Clear stream international patent business corporation (JP)
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