Aqueous Diels-Alder Reactions of Cyclopentadiene with Symmetric Diester of Fumarate or Maleate

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Symmetric diesters of cis- or trans- bicyclo[2,2,1]hept-5-ene-2,3-dicarboxylate were prepared by aqueous Diels-Alder reaction of cyclopentadiene with symmetric diester of fumarate or maleate.
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