Recent Advances in Palladium‐Catalyzed Cycloadditions Involving Trimethylenemethane and its Analogs

General introduction Mechanism for [3+2] carbocyclic cycloaddition Dynamic behavior of TMM-Pd complexes Application in organic synthesis General comment [3+2] cycloaddition: the parent TMM Recent applications in natural and unnatural product synthesis Novel substrates for TMM cycloaddition [3+2] cycloaddition: substituted TMM Cyclopropyl-substituted TMM Phenylthio-TMM [3+2] cycloaddition: intramolecular versions Introduction and substrate synthesis Synthesis of bicyclo[3.3.0]octyl systems Synthesis of bicyclo[4.3.0]nonyl systems Synthesis of bicyclo[5.3.0]decyl systems Carboxylative cycloadditions Carbonyl cycloadditions Addition to aldehydes Addition to ketones Imine cycloadditions [4+3] cycloadditions [6+3] cycloadditions [3+3] cycloaddition Conclusions