Global ETD Search

1	Cu-Catalyzed Enantioselective Allylic Substitutions with Organomagnesium and Organoaluminum Reagents Promoted by N-Heterocyclic Carbenes for the Formation of Quaternary Stereogenic Centers Mandai, Kyoko January 2010 (has links) Thesis advisor: Amir H. Hoveyda / Chapter One: An overview of Cu-catalyzed enantioselective allylic substitutions with organometallic reagents. Chapter Two: Development of Cu-catalyzed enantioselective allylic alkylations of allylic chlorides with Grignard reagents for the formation of all-carbon quaternary stereogenic centers is disclosed. Chapter Three: Development of Cu-catalyzed enantioselective allylic substitutions of allylic phosphates with alkyl, aryl, and heterocyclic aluminum reagents for the formation of quaternary stereogenic centers is discussed. / Thesis (MS) — Boston College, 2010. / Submitted to: Boston College. Graduate School of Arts and Sciences. / Discipline: Chemistry. allylic substitutions Cu-catalyzed enantioselective Grignard reagents organoaluminum reagents quaternary stereogenic centers
2	C<sub>2</sub>-Symmetric Pyrazole-Bridged Ligands and Their Application in Asymmetric Transition-Metal Catalysis Böhnisch, Torben 23 July 2015 (has links) No description available. 540 Pyrazole-Bridged Ligands Asymmetric Transition-Metal Catalysis Cooperative Asymmetric Catalysis Enantioselective Catalysis Two-Center Catalysis Pyrazole PyrBOX PyrBPyBOX ProPyrazole Tsuji-Trost Allyl Palladium Asymmetric Allylic Substitutions Asymmetric Allylic Alkylations Solvation Effects Cooperative Effects EXSY Helicate Mesocate Cluster Helicate Atropisomerism Atropselective Oxidative Coupling 2-Napthol Chemie (PPN62138352X)

Search results

Cu-Catalyzed Enantioselective Allylic Substitutions with Organomagnesium and Organoaluminum Reagents Promoted by N-Heterocyclic Carbenes for the Formation of Quaternary Stereogenic Centers

C<sub>2</sub>-Symmetric Pyrazole-Bridged Ligands and Their Application in Asymmetric Transition-Metal Catalysis