Abstract
An efficient method for the synthesis of spiro[3.3]heptanes and spiro[3.4]octanes of various structures has been developed using cycloalumination of substituted methylidenecyclobutanes with Et3Al in the presence of Cp2ZrCl2. A possibility of transformation of the in situ formed spiroaluminacyclopentanes to the corresponding thiophanes, selenophanes, and cyclopentanols in high yields and selectivity has been demonstrated.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR, Division of chemical science
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