JPS57209283A - Preparation of decarboxylative condensation product of alicyclic 1,2-dicarboxylic acid or its anhydride - Google Patents

Preparation of decarboxylative condensation product of alicyclic 1,2-dicarboxylic acid or its anhydride

Info

Publication number
JPS57209283A
JPS57209283A JP9416481A JP9416481A JPS57209283A JP S57209283 A JPS57209283 A JP S57209283A JP 9416481 A JP9416481 A JP 9416481A JP 9416481 A JP9416481 A JP 9416481A JP S57209283 A JPS57209283 A JP S57209283A
Authority
JP
Japan
Prior art keywords
dicarboxylic acid
anhydride
condensation product
alicyclic
decarboxylative condensation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP9416481A
Other languages
Japanese (ja)
Other versions
JPS5924153B2 (en
Inventor
Takayuki Saito
Noburu Kikuchi
Masakatsu Obara
Akihiro Kobayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP9416481A priority Critical patent/JPS5924153B2/en
Priority to US06/388,244 priority patent/US4491667A/en
Priority to EP82105304A priority patent/EP0067457B1/en
Priority to DE8282105304T priority patent/DE3263516D1/en
Publication of JPS57209283A publication Critical patent/JPS57209283A/en
Publication of JPS5924153B2 publication Critical patent/JPS5924153B2/en
Expired legal-status Critical Current

Links

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  • Furan Compounds (AREA)
  • Epoxy Resins (AREA)

Abstract

PURPOSE: To prepare the novel decarboxylative condensation product of the titled compound useful as a curing agent of epoxy resin, in high yield, by heating a saturated alicyclic 1,2-dicarboxylic acid anhydride in the presence of a basic catalyst.
CONSTITUTION: The novel decarboxylative condensation product of a saturated alicyclic 1,2-dicarboxylic acid anhydride of e.g. formula II (R5WR11 are H or 1W5C alkyl) can be prepared by heating a saturated alicyclic 1,2-dicarboxylic acid anhydride of e.g. formulaI(R1WR4 are H or 1W5C alkyl)(e.g. hexahydrophthalic anhydride, 3-methyl-hexahydrophthalic anhydride, etc.) in the presence of a basic catalyst[e.g. 1,8-diaza-bicyclo(5,4,0)undecene-7;2-ethyl-4-methylimidazole]. The objective compound can be used as an epoxy resin hardener having low cure shrinkage and giving a cured product with low water absorption, etc.
COPYRIGHT: (C)1982,JPO&Japio
JP9416481A 1981-06-17 1981-06-17 Method for producing decarboxylated condensate of saturated alicyclic-1,2-dicarboxylic anhydride Expired JPS5924153B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9416481A JPS5924153B2 (en) 1981-06-17 1981-06-17 Method for producing decarboxylated condensate of saturated alicyclic-1,2-dicarboxylic anhydride
US06/388,244 US4491667A (en) 1981-06-17 1982-06-14 Hexahydrophthalides
EP82105304A EP0067457B1 (en) 1981-06-17 1982-06-16 Lactone and process for production thereof
DE8282105304T DE3263516D1 (en) 1981-06-17 1982-06-16 Lactone and process for production thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9416481A JPS5924153B2 (en) 1981-06-17 1981-06-17 Method for producing decarboxylated condensate of saturated alicyclic-1,2-dicarboxylic anhydride

Publications (2)

Publication Number Publication Date
JPS57209283A true JPS57209283A (en) 1982-12-22
JPS5924153B2 JPS5924153B2 (en) 1984-06-07

Family

ID=14102721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9416481A Expired JPS5924153B2 (en) 1981-06-17 1981-06-17 Method for producing decarboxylated condensate of saturated alicyclic-1,2-dicarboxylic anhydride

Country Status (1)

Country Link
JP (1) JPS5924153B2 (en)

Also Published As

Publication number Publication date
JPS5924153B2 (en) 1984-06-07

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