ORGNMonday, March 29, 2004

8:00 PM-10:00 PM Anaheim Convention Center -- Hall A, Sci-Mix
Sci-Mix
Organizer:Robert D. Larsen
 50Ipso-Nitration of arylboronic acids: Chlorotrimethylsilane-nitrate salt as an efficient reagent system
G. K. Surya Prakash, Chiradeep Panja, Vijayalakshmi Surampudi, Nicos A. Petasis, Thomas Mathew, George A. Olah
 64Microwave-assisted amide synthesis on silica-supported carbodiimide
Shahnaz Ghassemi, Peter. C. Rahn
 77Cp*Rh(III)-catalyzed Leuckart-Wallach-type reductive amination of ketones
Masato Kitamura, Shinji Tanaka, Tetsuya Mukai, Hajime Saburi
 78Cross-metathesis reaction of vinylchlorins and vinylporphyrins
Xin Liu, Ethan Sternberg, David Dolphin
 79Investigating the scope of the ring-closing metathesis reaction in the development of cyclic enol phosphonamidates
Stephen R. Sieck, Matthew D. McReynolds, Paul R. Hanson
 81Evidence for radical mechanism in olefin metathesis catalyzed by tungsten systems in a low oxidation state
Valerian Dragutan, Ileana Dragutan, Mihai Dimonie
 85One-pot, catalytic regio- and stereoselective preparation of (Z)-β-chalcogenyl acrylamides
Daniel J. Knapton, Tara Y. Meyer
 86Carbonylative acetylene coupling of aryl diazonium ions with NHC-palladium catalysis
Chun Song, Yudao Ma, Merritt B. Andrus
 88Synthesis of coumestans by selective electrophilic cyclization followed by palladium-catalyzed intramolecular carbonylation: An efficient synthesis of coumestrol
Dawei Yue, Richard Larock
 89Novel metal-mediated approaches for the rapid assembly of nitrogen heterocycles
Richard H. Blaauw, Sape S. Kinderman, Henk Hiemstra, Bart C.J. van Esseveldt, Floris P.J.T. Rutjes
 94Copper-catalyzed cross-coupling of aryl acetylenes and vinyl iodides
D. Venkataraman, Craig G. Bates, Pranorm Saejueng
 95Mild and practical copper-catalyzed amination of unactivated halothiophenes
Zhikuan Lu, Robert J. Twieg
 96Cu-mediated alkoxystannane addition to an allylic lactone: Application to the synthesis of sclerophytin A
Matthias C. McIntosh, Christopher M. McFarland, John M. Hutchison, Harriet A. Lindsay
 125Studies toward the synthesis of oxazolomycin: Stereoselective cyanosilylation of hindered cyclic ketones
Mark G Moloney, Muhammad Yaqoob
 127Synthesis of benzoxocane-containing natural products: Heliannuol A, K, and helianane
James R. Vyvyan, Steven T. Staben, Ryan E. Looper, Celeste Loitz
 130Synthesis of [2H,5H-dihydrofuran-3-yl]ketones
Kelsie J Betsch, Jetty Duffy-Matzner
 137Toward the synthesis of the alkaloid histrionicotoxin 285A
Helen T. Horsley, Andrew B. Holmes, Catherine J. Smith, Ian Collins
 141Synthesis of 6-thiopurine analogs
Brian H. Keogh Jr., Ryan J. Rafferty, Richard M. Hyslop
 146Synthesis of oxynaphthiporphyrin
Jane M. Rasmussen, Timothy D. Lash
 285Molecular interaction between perfluorocarbon and hydrocarbon
Haruhiko Fukaya, Taizo Ono
 286Sp2 hybridized nitrogen atoms in nucleobases in the origin and evolution of the genetic code
Chi Ming Yang
 287Determining log P of ionisable pharmaceutical drugs by acid-base titrations
Arno Kraft, Nicola M. Howarth, Claire Barzanti, Emilie Levet, Gary Kean
 288Electrophilic activation involving protonated amides
Douglas A. Klumpp, Rendy Rendy, Aaron McElrea, Alma Gomez
 293Theoretical study of the electrocyclic reactions of titanated vinylallenes
Young Shen, Bruce N. Hietbrink
 310NMR studies on the cleavage of highly substitued epoxides with organoalane reagents
Gerardo Torres, José A. Prieto
 313Solvent and steric effects on the aggregation of lithium dialkylamides
Lawrence M. Pratt, Donald G Truhlar, Christopher J Cramer, Jason D. Thompson
 320Redox-active star molecules incorporating the 4-benzoylpyridinium cation: Implications for the charge transfer efficiency along branches vs. across the perimeter in dendrimers
Jinhua Yang, Abdel Monem M. Rawashdeh, Woon Su Oh, Chariklia Sotiriou-Leventis, Nicholas Leventis
 323Theoretical explorations of the mechanism of decomposition of a phosphadioxirane into a phosphine oxide
Yi-Lei Zhao, K. N. Houk
 325Photosensitized delivery of cations and radical cations of aromatic amines to remote sites
Felix S. Lee, Norman P. Schepp
 329Quantum dot encoded polymeric beads for solid-phase synthesis
Paul O'Brien, Siobhan S. Cummins, Dan Darcy, Eric Liu, Ombretta Masala, Nigel L. Pickett, Steve Ryley, Andrew J. Sutherland
 335Multi-component 1,3-dipolar cycloaddition accelerated by microwave irradiation toward synthesis of skeletally diverse natural-product-like libraries
Hua Miao, John Tallarico, Stuart L. Schreiber
 341Focused microwave-assisted parallel synthesis of bis-benzimidazoles
Mei-Jung Lin, Wei-Bin Yeh, Chung-Ming Sun
 344Parallel solution-phase synthesis of tetra-substituted purines
Xu Bai, Qun Dang, Jianxin Yang, Jinglin Liu, Zhonglin Wei, Hengbin Zhang, Jinchang Wu
 346Pummerer cyclisations on solid phase: Convenient construction of oxindoles enabled by a sulfur link to resin
Laura A. McAllister, Stephen Brand, Rémy de Gentile, David J. Procter
 350Anisotropic crystals and micropatterned materials via the self-organization of a novel ionic perylenemonoimide derivative
Wonewoo Seo, Suk-Wah Tam-Chang, Kyle Rove, Vincent J. Catalano
 360Use of crystal engineering concepts to explore amorphous polymorphs: TPP analogues
Prasanna S. Ghalsasi, Jeff Yarger
 363Effects of substituents on the photochromism of a photoswitchable calcium chelator
Alison McCurdy, Soyeun Chu, Nina T. Lu, Vi Nguyen
 368Isotope effects on non-covalent host-guest interactions in a cylindrical molecular capsule
Dalit Rechavi, Alessandro Scarso, Julius Rebek Jr.
 371Dynamics of capsular host-guest exchange using fluorescence resonance energy transfer
Shannon M. Biros, Liam C. Palmer, Shirley Lin, Julius Rebek Jr.
 373Classical Hammett study of halogen bonding in solution: Molecular recognition of aryl halides and nitroaromatics
Kristopher V Waynant, Stephen D. Starnes
 374Porphyrin fused anion and salt receptors
Jun Wu, Sailaja Arungundram, Stephen D. Starnes
 377Functionalized cyclophanes via enaminone-directed benzannulation/macrocyclization
F. Christopher Pigge, Angela V. Schmitt, Nigam P. Rath
 414En route to photoactivatable enediyne antibiotics
Andrei A. Poloukhtine, Vladimir V. Popik
 415Total synthesis of (-)-(E)-15,16-dihydrominquartynoic acid: A potent anti-cancer natural product
Benjamin W. Gung, Godwin Kumi
 416Toward the total synthesis of 1,4-bis-(3-methoxy-4-hydroxyphenyl) butane
Steve Marek, R. Elizabeth Brewster, Suzanne B. Shuker
 420Application of a directed Sm(II)-mediated cyclization in an approach to pestalotiopsin A
David J. Edmonds, Christopher J. O'Brien, David J. Procter
 427Concise, protective group-free syntheses of Hamigeran B and 4-Bromohamigeran B
Edward Piers, Stephen Y. W. Lau
 433Progress toward the total synthesis of yokonolide A
Michael T. Crimmins, Aaron C. Smith
 436Study toward the total synthesis of integramycin
Lijun Wang, Paul E. Floreancig
 450Anti glycolate aldol additions applied toward the total synthesis of brevetoxin A
Michael T. Crimmins, Patrick J. McDougall
 460Diastereoselective epoxidation of various camphor-derived enones with different oxidants: Reversal of stereoselectivity
Kwunmin Chen, Wei-Der Lee, Chai-Ling Fan, Ching-Chen Chiu, Hua-Lin Hsu
 461Diastereoselective Baylis-Hillman reaction
Kwunmin Chen, Jia-Fu Pan, Wei-Der Lee, Kung-Shuo Yang, Shy-Guey Wang
 472Direct catalytic enantioselective alfa-oxidation of ketones: A stereoselective synthesis of alfa- and alfa,alfa‘-di-hydroxy ketones
Armando Córdova, Henrik Sundén, Anders Bøgevig
 474The direct catalytic asymmetric cross-Mannich reaction: A highly enantioselective route to 3-amino alcohols and amino acid derivatives
Armando Córdova, Henrik Sundén
 476Studies toward the synthesis of elaiophylin using epoxide cleavage
Wilnelia Dávila, Jose A. Prieto
 477A reiterative epoxide-based approach toward the synthesis of the polypropionate chain of streptovaricin D
Wildeliz Torres, Jose A. Prieto
 478Studies toward the synthesis of the polypropionate chain of bafilomycin A1
Marlenne Mulero, David Rodriguez, José A. Prieto
 483Progress toward the enantiospecific, stereospecific total synthesis of Nb-demethylalstophylline oxindole
Xiangyu Z. Wearing, James M. Cook
 487Chemoselective ligation and activity-based protein profiling assisted by click chemistry
Lifu Ma, Anna Katrin Szardenings, Benjamin F. Cravatt, Erik J. Sorensen
 490Hypersensitive probes for in vitro and in vivo fluorescence assays of enzymatic activity
Sunil S. Chandran, Ronald T. Raines
 493Staudinger ligation: Mechanistic studies and peptide immobilization
Matthew B Soellner, Bradley L. Nilsson, Kimberly A. Dickson, Ronald T. Raines
 496Effects of cation-pi interactions on the stability of the alpha helix
Alison McCurdy, Rex Cheng, Ronald W. Tan
 497Characterization of the quenching of ribose-5’-fluorescent cobalamin derivatives
Robert A. Horton, Lisa A. Eidenschink, Joshua D. Bagnato, J. B. Alexander Ross, Charles B. Grissom
 514Synthesis and biological evaluation of Eunicin analogs: An oxidative cleavage approach
Brunilda Vera-Díaz, Abimael D. Rodríguez
 516Factors influencing the autoxidation of non-conjugated dienes
Keri A. Tallman, Ned A. Porter
 517A new family of bisditerpenes from the West Indian gorgonian Pseudopterogorgia elisabethae
Ileana I. Rodríguez, Oscar J. García, Abimael D. Rodríguez
 518Bielschowskysin, a gorgonian-derived antiplasmodial diterpene with an unprecedented carbon skeleton
Jeffrey Marrero, Abimael D. Rodríguez, Peter Baran, Raphael Raptis
 519The first total synthesis of the bacterial 14-methyl-9(Z)-pentadecenoic acid, a potential bioactive fatty acid
David J. Sanabria-Ríos, Lizabeth Giménez, Clarisa Cruz, Néstor M. Carballeira
 520New marine metabolites isolated from the caribbean gorgonian Eunicea spp
Sandra P. Garzón, Abimael D. Rodríguez
 521Caucanolides A-E: A novel class of bis-lactonic diterpenes isolated from the caribbean gorgonian coral Pseudopterogorgia Bipinnata
Claudia A. Ospina, Abimael D. Rodríguez

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

The 227th ACS National Meeting, Anaheim, CA, March 28-April 1, 2004