ORGNWednesday, August 22, 2007
8:00 AM-12:00 PM BCEC -- 253 A/B/C, Oral
Asymmetric Reactions and Syntheses
Presiding:Chaoyang Dai
8:00 AM645Enantioselective synthesis of flavanones
Joshua R. Giguere, Scott E. Schaus
8:20 AM646Synthesis of enantioenriched dihydropyrimidones and derived libraries
Peng Dai, Sha Lou, Scott E. Schaus
8:40 AM647Application of Prins-type chemistry toward the total synthesis of (+)-SCH 351448
Lael L. Cheung, Christopher D. Anderson, Shinji Marumoto, Scott D. Rychnovsky
9:00 AM648De novo asymmetric approach to the two trisaccharide portions of PI-080
Xiaomei Yu, Kung K. Wang, George A. O'Doherty
9:20 AM649Organocatalytic multicomponent reaction: Total control up to 5 stereocenters
Ramon Rios, Jan Vesely, Ismail Ibrahem, Gui-Ling Zhao, Armando Cordova
9:40 AM650Ring expanded tetramisole analogs as enantioselective acyl transfer catalysts
Ximin Li, Vladimir B. Birman
10:00 AM651Stereoelectronic tuning of chiral sulfinimines in asymmetric radical reactions
Tito Akindele, Yasutomo Yamamoto, Masaru Maekawa, Hiroyuki Umeki, Mayu Nakano, Ken-ichi Yamada, Kiyoshi Tomioka
10:20 AM652Synthesis and application of bifunctional organic catalysts for direct amide condensation between carboxylic acids and amines
Kenny Arnold, Bryan Davies, Andrew Whiting
10:40 AM653Synthesis of bicyclo[2.2.2]octenone-containing natural products using asymmetric oxidative dearomatization
Suwei Dong, John A. Porco Jr.
11:00 AM654Synthesis of chiral 3-substituted indanones via enantioselective Heck-reaction
Ana Minatti, Xiaolai Zheng, Stephen L. Buchwald
11:20 AM655Synthesis of highly enantioenriched cyanohydrins by dual Lewis acid – Lewis base activation
Erica Wingstrand, Stina Lundgren, Anders Hamberg, Karl Hult, Christina Moberg
11:40 AM656Transannular asymmetric catalysis: Development of an enantioselective transannular Diels–Alder reaction and applications in total synthesis
Emily P. Balskus, Eric N. Jacobsen

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