Distinct Reactivity of Pd(OTs)2: The Intermolecular Pd(II)-Catalyzed 1,2-Carboamination of Dienes
摘要:
A Pd-catalysed intermolecular 1,2-carboamination route to indolines from N-aryl ureas and 1,3-dienes that proceeds under mild conditions in relatively nonacidic media, is presented. The in situ generation or preformation, os palladium tosylate emerges as a key parameter in gaining the requisite reacticity for the C-H insertion/carbopalladation/nucleophilic displacement process.