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Abstract:
PURPOSE: To provide a process for producing methylnorbornenedicarboxylic acid anhydride in high purity and yield at a low cost.
CONSTITUTION: Methylnorbornenedicarboxylic acid anhydride is produced by reacting maleic anhydride with a mixture containing a diolefin component such as methylcyclopentadiene in the presence of a solid acid catalyst at 0-50¡ãC. The solid acid catalyst is e.g. silica-alumina, activated clay, solid phosphoric acid, cation-exchange resin and zeolite.
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