发明名称 |
DIAMINODICARBOXYLIC ACIDS AND INTERMEDIATES THEREOF |
摘要 |
The present invention relates to a novel diaminodicarboxylic acid represented by general formula (1): <CHEM> (wherein A is an aliphatic group; one of R<1> and R<2> is a carboxyl group, and the other is an amino group or a carbamoyl group; and one of R<3> and R<4> is a carboxyl group, and the other is an amino group or a carbamoyl group), a carbamoyl compound which is a synthetic intermediate for the diaminodicarboxylic acid, and a process for producing the diaminodicarboxylic acid. <??>The diaminodicarboxylic acid can be produced by Hofmann reaction of the carbamoyl compound and is a useful compound as a starting material for resins or an additive for resins.
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申请公布号 |
EP1460058(A1) |
申请公布日期 |
2004.09.22 |
申请号 |
EP20020788804 |
申请日期 |
2002.12.12 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
MITA, NARUYOSHI;CHIDA, MITSUAKI;ISOKAWA, MOTOAKI;KATOU, TAKAZOU;NAGAI, NAOSHI |
分类号 |
C07C229/48;C07C233/63;(IPC1-7):C07C229/48;C07C227/04;C07C233/58 |
主分类号 |
C07C229/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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