ORGNThursday, August 23, 2007

8:00 AM-12:00 PM BCEC -- 253A, Oral
Asymmetric Reactions and Syntheses
Presiding:Mukund S. Chorghade
8:00 AMProtecting group directed ring-closing metathesis (RCM): First total synthesis of antimalarial nonenolide
Mukund S. Chorghade, Debendra K. Mohapatra, Robert H. Grubbs, Mukund K Gurjar, Michael A. Giardello, Dhondi K Ramesh
8:20 AMAsymmetric boronate reactions catalyzed by chiral diols-1
Scott E. Schaus
8:40 AMAsymmetric boronate reactions catalyzed by chiral diols-2
Sha Lou, Philip N. Moquist, Scott E. Schaus
9:00 AMAsymmetric catalytic allylboration of ketones and acyl imines
Philip N. Moquist, Sha Lou, Scott E. Schaus
9:20 AMCatalytic asymmetric hydroboration: The highly enantioselective amide-directed reaction
Sean Michael Smith, Nathan Thacker, James M. Takacs
9:40 AMTransition-metal catalyzed diboration: Synthesis and functionalization of bis(boronate)esters
Heather E. Burks, James P. Morken
10:00 AMSparteine-mediated lithiation of pyrrolidine: Asymmetric synthesis of boron-proline analogs
Christophe Grosjean, Kenny Arnold, Andy Whiting
10:20 AMOrganocatalytic enantioselective direct vinylation and alkynylation of enolates
Thomas B. Poulsen, Luca Bernardi, Mark Bell, José Alemán, Karl Anker Jørgensen
10:40 AMPalladium-catalyzed diastereoselective and enantioselective Wagner-Meerwein shift: Ring expansion of allenylcyclobutanols
Jia Xie, Barry M Trost
11:00 AMPhosphite ligands for the highly active and enantioselective Pd-catalyzed substitution reactions
Montserrat Diéguez, Oscar Pamies, Eva Raluy
11:20 AMRhodium-catalyzed asymmetric synthesis of 1,2-antihomoallylic alcohols and amines
Frederic Menard, Mark Lautens
11:40 AMSynthesis of novel ligand scaffolds via "click" chemistry and their use in optimizing asymmetric catalysis
Qing Zhang, James M. Takacs

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The 234th ACS National Meeting, Boston, MA, August 19-23, 2007