SEARCH Articles Figures Tables Electrophilic (Acid-Catalyzed) Substitution Electrophilic substitution metal-catalyzed intramolecular reaction Enzyme-catalyzed electrophilic aromatic substitution Palladium-Catalyzed Substitution Reactions of Allylic, Propargylic, and Related Electrophiles with Heteroatom Nucleophiles Takumichi Sugihara 2 Palladium-Catalyzed Cross-Coupling with Other a-Hetero-Substituted Organic Electrophiles