ChemInform Abstract: Synthesis of Novel Carbo‐ and Heteropolycycles. Part 8. An Efficient and Convenient Synthesis of Adamantylidenevinylidenecyclopropane Derivatives.

Abstract

The crown ether catalyzed dehydrochlorination of the chloroethylnyladamantane (I) offers a convenient and efficient method for the generation of adamantylidenevinylidene, which is trapped by various alkenes (II) to give cyclopropane adducts of type (III).