Ring-fused cyclobutanes via cycloisomerization of alkylidenecyclopropane acylsilanesâ€
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DOI: 10.1039/d0sc02224a
Abstract: A novel Lewis acid-catalyzed cycloisomerization of alkylidenecyclopropane acylsilanes is disclosed. The readily available starting materials participate in tandem Prins addition/ring expansion/1,2-silyl shift to grant access to bicyclo[4.2.0]octanes and bicyclo[3.2.0]heptanes, which are common motifs in terpenoid… read more here.
Keywords: ring fused; alkylidenecyclopropane acylsilanes; cycloisomerization alkylidenecyclopropane; fused cyclobutanes ... See more keywords