ORGNWednesday, March 28, 2007
8:00 AM-11:40 AM McCormick Place Lakeside -- Room E351, Level 3, Oral
Asymmetric Reactions and Syntheses
Presiding:Gregory R. Cook
8:00 AM551Vanadium catalyzed asymmetric epoxidation of allylic alcohols and homoallylic alcohols
Wei Zhang, Hisashi Yamamoto
8:20 AM552Catalytic enantioselective allenylation reactions of aldehydes with tethered bis(8-quinolinolato) (TBOx) chromium complex
Guoyao Xia, Hisashi Yamamoto
8:40 AM553Alkenyl substituted tetrahydrofurans via enantiospecific aldehyde/cyclopropane cycloadditions
Shanina Sanders
554Paper Withdrawn
9:00 AM555Chiral bicyclic guanidine-catalyzed enantioselective reactions of anthrones
Juan Shen
9:20 AM556Chiral Bronsted acid-catalyzed asymmetric aza Diels-Alder reactions
Takahiko Akiyama, Junji Itoh, Kohei Fuchibe
9:40 AM557Chiral Lewis-acid catalyzed carbonyl-ene reactions
Gerri Hutson, Viresh H. Rawal
10:00 AM558Hydrogen bond catalysis: Generation of quaternary chiral centers through diasteroselective and enantioselective Mukaiyama aldol reactions of ketones
Vijaya Bhasker Gondi, Viresh H. Rawal
10:20 AM559Enantioselective and diastereoselective organocatalytic aminomethylation of adehydes: A role for ionic interactions and efficient access to enantiomerically pure β2-amino acids
Yonggui Chi, Samuel H Gellman
10:40 AM560Temporary stereocentres for the asymmetric synthesis of chiral aldehydes
Steven D. Bull, D. Gangani Niyadurupola, Matt Cheeseman, Iwan R Davies, Richard Wisedale
11:00 AM561Asymmetric synthesis of 2° and 3° optically active carbinols via methallylboration of aldehydes and ketones with B-methallyl-10-TMS(Ph)-9-borabicyclo[3.3.2]decane reagents
Jose G. Roman, John A. Soderquist
11:20 AM562Asymmetric synthesis of a-allenyl carbamines via the propargylboration of N-H aldimines with B-(g-TMS-propargyl)-10-TMS-9-borabicyclo[3.3.2]decane
Eyleen Alicea, John A. Soderquist

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The 233rd ACS National Meeting, Chicago, IL, March 25-29, 2007