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Listar por palabra clave "Nucleophilic addition"

Mostrando ítems 1-2 de 2

Catalytic Asymmetric Formal [3+2] Cycloaddition of 2-Isocyanatomalonate Esters and Unsaturated Imines: Synthesis of Highly Substituted Chiral g-Lactams

Espinosa, Miguel; Blay, Gonzalo; Cardona, Luz; Muñoz Roca, María Del Carmen; Pedro, José R. (John Wiley & Sons, 2017-10-20)

[EN] Unlike their isocyano and isothiocyanato analogues, isocyanato esters remain almost unexplored as formal 1,3-dipoles in asymmetric catalytic reactions. The first asymmetric formal [3+2] cycloaddition involving ...
Enantioselective Synthesis of 4-Substituted Dihydrocoumarins through a Zinc Bis(hydroxyamide)-Catalyzed Conjugate Addition of Terminal Alkynes

Blay, Gonzalo; Muñoz Roca, María del Carmen; Pedro, Jose R; Sanz-Marco, Amparo (Wiley-VCH Verlag, 2013-04-15)

A new enantioselective catalyst for the conjugate addition of terminal alkynes has been developed. Terminal alkynes react with 3-alkoxycarbonylcoumarins in the presence of diethylzinc and bis(hydroxyamide) ligands to ...

Mostrando ítems 1-2 de 2