A thermal decarboxylative Cloke–Wilson rearrangement of dispirocyclopropanes derived from <i>para</i>-quinone methides and bromo-Meldrum's acids: an approach to synthesize spirobutyrolactone <i>para</i>-dienones
Tong Li, Dandan Yan, Chaoxing Cui, Xixi Song, Junbiao Chang
Abstract
An unprecedented approach to synthesize spirobutyrolactone <italic>para</italic>-dienones from <italic>para</italic>-quinone methides and bromo-Meldrum's acids has been developed.
Topics & Concepts
ChemistryQuinoneDecarboxylationThermalMeldrum's acidMedicinal chemistryStereochemistryOrganic chemistryThermodynamicsCatalysisPhysicsSynthesis of Indole DerivativesOxidative Organic Chemistry ReactionsAsymmetric Synthesis and Catalysis