JPS643167A - Production of maleimide - Google Patents
Production of maleimideInfo
- Publication number
- JPS643167A JPS643167A JP15661987A JP15661987A JPS643167A JP S643167 A JPS643167 A JP S643167A JP 15661987 A JP15661987 A JP 15661987A JP 15661987 A JP15661987 A JP 15661987A JP S643167 A JPS643167 A JP S643167A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- catalyst
- amine
- prepared
- maleinamide
- 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
Links
Abstract
PURPOSE: To obtain a maleimide advantageously by using a catalyst which is composed of a solid carrier bearing an acid and/or a salt thereof with the stating amine to effect dehydrative ring closure of the maleinamide acid previously prepared from maleic anhydride and a primary amine in a solvent.
CONSTITUTION: When a maleinamide acid prepared from maleic anhydride and a primary amine is ring-closed by sehydration in an organic solvent to give a maleinimide which is useful as a starting substance of resins, medicines or agrochemicals, a catalyst which is prepared by depositing an acid such as sulfuric and/or a salt thereof with the starting amine on a solid carrier such as kieselguhr or silica gel is used to increase contact efficiency between the maleinamide acid and the catalyst to produced the subject compound in high yield inexpensively, safely and simple.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62156619A JPH0637466B2 (en) | 1987-06-25 | 1987-06-25 | Method for producing maleimides |
DE8787306799T DE3776464D1 (en) | 1986-07-31 | 1987-07-31 | METHOD FOR PRODUCING MALEIMIDES. |
DE3789557T DE3789557T2 (en) | 1986-07-31 | 1987-07-31 | Process for the production of maleimide. |
EP90202480A EP0415506B1 (en) | 1986-07-31 | 1987-07-31 | Method for production of maleimides |
ES198787306799T ES2028085T3 (en) | 1986-07-31 | 1987-07-31 | METHOD FOR THE PRODUCTION OF MALEMIDES. |
KR1019870008444A KR910007883B1 (en) | 1986-07-31 | 1987-07-31 | Method for production of maleimides |
EP87306799A EP0257831B1 (en) | 1986-07-31 | 1987-07-31 | Method for production of maleimides |
CA000547537A CA1319696C (en) | 1987-06-25 | 1987-09-22 | Method for production of maleimides |
US07/289,237 US4851547A (en) | 1986-07-31 | 1988-12-23 | Method for production of maleimides |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62156619A JPH0637466B2 (en) | 1987-06-25 | 1987-06-25 | Method for producing maleimides |
Publications (3)
Publication Number | Publication Date |
---|---|
JPS643167A true JPS643167A (en) | 1989-01-06 |
JPH013167A JPH013167A (en) | 1989-01-06 |
JPH0637466B2 JPH0637466B2 (en) | 1994-05-18 |
Family
ID=15631678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62156619A Expired - Fee Related JPH0637466B2 (en) | 1986-07-31 | 1987-06-25 | Method for producing maleimides |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH0637466B2 (en) |
CA (1) | CA1319696C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421668A (en) * | 1990-05-15 | 1992-01-24 | Daihachi Chem Ind Co Ltd | Production of n-substituted maleimides |
JP2009126866A (en) * | 2007-11-27 | 2009-06-11 | Lg Chem Ltd | Method for producing n-substituted maleimides |
JP2011530582A (en) * | 2008-08-11 | 2011-12-22 | コリア クンホ ペトロケミカル カンパニー リミテッド | Process for producing N-substituted maleimides |
-
1987
- 1987-06-25 JP JP62156619A patent/JPH0637466B2/en not_active Expired - Fee Related
- 1987-09-22 CA CA000547537A patent/CA1319696C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0421668A (en) * | 1990-05-15 | 1992-01-24 | Daihachi Chem Ind Co Ltd | Production of n-substituted maleimides |
JP2009126866A (en) * | 2007-11-27 | 2009-06-11 | Lg Chem Ltd | Method for producing n-substituted maleimides |
JP2011530582A (en) * | 2008-08-11 | 2011-12-22 | コリア クンホ ペトロケミカル カンパニー リミテッド | Process for producing N-substituted maleimides |
Also Published As
Publication number | Publication date |
---|---|
JPH0637466B2 (en) | 1994-05-18 |
CA1319696C (en) | 1993-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |