Dedicated to Professor Boris
AbstractChlorodithioformates react with cyclopenta-1,3-dienes to give the corresponding hetero-DielsAlder adducts which in turn eliminate HCl to form, depending on the substitution pattern, cyclopenta-2,4-dienecarbodithioates or cyclopent-2-enecarbodithioates with an additional exocyclic C=C double bond. The key structures 5b and 5c were determined by X-ray crystallography.
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