Synthetic approach to cis and trans-decalins via Diels-Alder reaction and ring-closing metathesis as key steps: further extension to dioxapropellane derivative by ring-closing metathesis

9,10-Substituted cis and trans-decalins were synthesized by a simple route using the Diels-Alder reaction and ring-closing metathesis (RCM) as key steps. Later, the cis-decalin system has been extended to 3,8-dioxa[8.4.4]propellane derivative by RCM sequence as a key step.

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