ORGNSunday, September 7, 2003

8:00 AM-12:00 PM Sheraton New York -- Royal Ballroom A,Oral
Physical Organic Chemistry: Calculations, Mechanisms, Photochemistry and High Energy Species
Presiding:Theodore Cohen
8:00 AM 24Marcus theory of a parallel effect on alpha for hydride transfer reactions with heteroaromatic compounds
In-Sook Han Lee, Young Ran Ji
8:20 AM 25Theoretical study of the mechanism of cationic chain decomposition of S-nitrosothiols
Yilei Zhao, K. N. Houk
8:40 AM 26Racemization mechanisms of alpha-chiral organolithiums: a computational study
Paul R. Carlier, Yiqun Zhang
9:00 AM 27Probing reaction mechanisms of additions to alkenes via correlations
Donna J. Nelson, Ruibo Li, Christopher N. Brammer
9:20 AM 28A study on the symmetry of natural products. Is there a basic principle which causes chemical evolution to select structures possessing bilateral symmetry?
Tatyana Voloshchuk, Nicola Farina, Paul Haberfield, Alexander Greer
9:40 AM 29Pentathiepin DNA-cleaving agents. Is sulfur shedding to involve o-benzyne a possibility in analogy to calicheamicin, which is known to produce a phenyl diradical?
Edyta M. Brzostowska, Alexander Greer
10:00 AM 301,2-Wittig rearrangements of lithiated aryl allyl ethers proceed by an intramolecular anionic aromatic substitution rather than a radical fragmentation-recombination mechanism
Theodore Cohen, Thanapong Kreethadumrongdat
10:20 AM 31Hemilabile ligands in organolithium chemistry: Substituent effects on lithium ion chelation
Antonio Ramirez, David B. Collum
10:40 AM 32Photochemical degradation of lignin model compounds
Ann M. McNally, Emily Moody, Kristopher McNeill
11:00 AM 33Benzylic radical scavenging by quinoid inhibitors
Paul S. Engel, Hua Mo, Shaoming Duan, William B Smith
11:20 AM 34Photoinitiated cation radical isomerization reactions in polymeric media: long distance charge separation in a low dielectric media?
Jason G. Gillmore, Joseph P. Dinnocenzo, Thomas G. Brown, Jason D. Neiser, Aaron S. Peer, Samir Farid, Douglas R. Robello
11:40 AM 35Synthesis and photophysics of a new porphyrin-fullerene triad
Ke Li, David I. Schuster

Symposium Grid -- Division of Organic Chemistry -- Session Listing

The 226th ACS National Meeting, New York, NY, September 7-11, 2003