Process for producing N-substituted maleimides
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United States of America Patent
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Feb 27, 1990
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N/A
app pub date -
Feb 16, 1989
filing date -
Feb 25, 1988
priority date (Note) -
Expired
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Abstract
N-substituted maleimides are prepared by reacting maleic anhydride with an amine in the presence of Cu or a copper compound and purifying the maleimide produced in the absence of presence of said Cu or copper compound. N-substituted maleimides are widely useful or starting materials or intermediates for medicines, agricultural chemicals, dyes, macromolecular compounds, and the like.
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