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A diels–alder reaction of 2,5-dimethylfuran and maleic anhydride gives a compound a that undergoes acid-catalyzed dehydration to give 3,6-dimethylphthalic anhydride.
A diels–alder reaction of 2,5-dimethylfuran and maleic anhydride gives a compound a that undergoes acid-catalyzed dehydration to give 3,6-dimethylphthalic anhydride.