MEETINGS
12th Winter Fluorine Conference
T
he 12th Winter Fluorine Conference, hosted by the ACS Division of Fluorine Chemistry, will be held at the Tradewinds Beach Resort in St. Petersburg Beach, Fla., Jan. 22-27, 1995. Focusing on recent advances in all areas of fluorine chemistry, 170 papers will be presented in nine half-day sessions of oral presentations and two poster sessions. Included will be plenary lectures presented by 19 of the world's most prominent fluorine chemists. Within the expanding fields of organic, inorganic, physical, and polymer fluorine chemistry, the 1995 conference will feature sessions devoted to fluoropolymers, fluorination methodologies, asymmetric syntheses in bioorganic fluorine chemistry, chlorofluorocarbon alternatives, catalysis and physical properties, new methods for the syntheses of fluoroolefins and fluoroaromatics, novel fluorocarbon derivatives of oxygen and nitrogen, fluoroanions with coordination numbers greater than six, reactivity of
SPECIAL EVENTS SUNDAY 5:00 PM—Registration 7:00-9:00—Welcoming reception
TUESDAY 6:30 PM—Buffet dinner
WEDNESDAY 7:30-10:00 AM—Poster session A/Buffet breakfast 8:00-10:30 PM—Poster session B/Mixer
THURSDAY 6:30 PM—Cocktail reception 7:30—Awards banquet 8:30—ACS Award for Creative Work in Fluorine Chemistry sponsored by PCR Inc. will be presented to P. R. Resnick, DuPont
fluororadicals and fluorocarbocations, and new fluorine-containing ligands in organometallics and catalysis. An informal chemical exposition, with participation from the division's industrial sponsors, is planned in conjunction with the two poster sessions. The Winter Fluorine Conference, as always, features a blend of academic, industrial, and government research and technology; a strong international component; and the PCR Inc. hospitality suite. The 12th conference is cochaired by Joseph S. Thrasher of the University of Alabama and John T. Welch of the State University of New York, Albany. Registration and Hotel Information Conference registration fees are listed on the registration form on page 40. Return the completed form with payment to ACS by Jan. 3,1995. A registration confirmation will be mailed directly to you. For further registration information, call (202) 872-6286.
8:45—3. Cross-Linking of Periluoroelastomers by High-Energy Irradiation. A. L. Logothesis 9:05—4. New Synthesis of Trifluorovinyl Ethers. W. B. Farnham, S. G. Zane 9:25—5. Plenary: Perfluoroalkylether-Linked Quinoxalines. K. J. L. Paciorek 10:00—Intermission
Children are welcome to attend Sunday evening's reception and Tuesday evening's buffet dinner; however, because of the nature of the program, children under 12 years old will not be admitted to Thursday evening's award banquet. Child-care services are available through the concierge at the Tradewinds Hotel. Advance notice of 48 hours is required. The special conference rate at the Tradewinds Hotel is $112 for single or double accommodations, excluding tax. Call the Tradewinds Hotel directly at (800) 237-0707 or (813) 367-6461 to make a reservation. Reservations must be made before Jan. 3, 1995, to obtain the conference rate. Be sure to identify yourself as a Fluorine Conference attendee. Information on airlines offering discounted airfares is available through the ACS Meetings Department. For additional information, contact the ACS Meetings Department, 1155—16th St., N.W., Washington, D.C. 20036; phone (202) 872-6286, fax (202) 872-6128.
3:15—14. Asymmetric Catalysis of Aldol Reaction with Fluoral. K. Mikami, T. Takasaki, S. Matsukawa, M. Maruta 3:35—15. Plenary: Asymmetric Aldol Reactions of Fluorine-Containing Carbonyl Compounds. Synthetic Perspectives and Stereodirecting Features of FluorineContaining Groups. V. A. Soloshonok, Y. N. Belokon, T. Hayashi
D. J. Burton, Presiding 10:20—6. Novel Synthetic Methods for Unusual Heteroatom and Organometallic Fluorocarbon Compounds. R. J. Lagow 10:55—7. Elemental Fluorine as a Reagent for Organic Synthesis. G. Sanford, R. D. Chambers, C. J. Skinner, M. J. Atherton 11:15—8. Polarized C-H Groups as Novel Hydrogen Bond Donors in Hydryl-F-Alkylesters. J. L. Adcock, H. Zhang 11:35—9. Mechanistic Studies on Electrochemical Fluorination of Selected N-Compounds. A. Dimitrov, St. Rudiger, K. Seppelt 11:55—10. Electrochemical Fluorination of a,p-Difluoro-p-sultones. F. E. Behr, Y. A. Cherburkov, J. C. Hansen
R. E. Fernandez, Presiding 4:10—16. Synthetic Application of Metal Fluoride-Hydrogen Fluoride Salts as Fluorinating Agents. M. Tamura, M. Shibakami, A. Sekiya 4:30—17. Mechanistic Studies of the Isomerization of CFC-113 to CFC-113a. M. J. Nappa, W. H. Gumprecht 4:50—18. Fluoroolefin Condensation Catalyzed by Aluminum Chlorofluohde. C. G. Krespan, D. A. Dixon 5:10—19. Heterogeneous Catalyzed Chlorine/Fluorine Exchange on Alumina and Chromia Surfaces. E. Kemnitz
MONDAY EVENING MONDAY AFTERNOON
MONDAY MORNING J. S. Thrasher, Presiding 8:00—Opening remarks. J. S. Thrasher 8:05—1. Plenary: Decarboxylation Reactions of Perfluoroalkoxydifluoroacetates. P. R. Resnick, K. W. Palmer 8:25—2. Novel Fluorinated Polyether Urethane Elastomers: Synthesis and Characterization. A. A. Malik, R. P. Carlson, K. J. Wynne, T. Ho
G. B. Hammond, Presiding
C. J. Marsden, Presiding
2:00—11. Plenary: Fluorinated Isoprenoids. Tools for Studying the Mechanism of Enzyme-Catalyzed Reactions. C. Dale Poulter 2:35—12. Synthesis of Fluorinated Analogs of 3,4-Dihydroxyphenylserine. B-H. Chen, J-Y. Nie, M. Singh, M. J. Sloan, K. L Kirk 2:55—13. Novel Stereoselective Syntheses of 2,6-Dideoxy-6,6,6-trifluorosugars. T. Yamazaki, K. Mizutani, T. Kitazume
7:3fJ—20. Plenary: Density Functional Theory Prediction of Molecular Properties of Fluorinated Materials. D. A. Dixon 8:05—21. Properties of Fluorinated Ethers. A. Suga, Y. Mochizuki, N. Nagasaki, Y. Gotoh, H. Ito, S. Yamashita, T. Uchimaru, M. Sugie, A. Sekiya, S. Kondo 8:25—22. On the Heats of Formation of the Alkyl Fluorides. J. F. Liebman, J. A. Martinho Simôes, S. W. Slayden 8:45—23. Enthalpies of Solution of Oxygen, Nitrogen, and Argon in Liquid Perfluorocarbons. C. M. Sharts, C. W. Bass Jr.
P. Savu, Presiding 9:05—24. Unusual Reactivity of Poly(trifluoromethyl)benzenes: Semiempirical Reaction Modeling. H. Koroniak, P. Fiedorow, W. Dmowski, J. Porwisiak 9:25—25. Synthesis of (E)-CHF=NF and the Interconversion of Two Novel CHF2N Isomers. C. W. Bauknight Jr., D. D. DesMarteau 9:45—26. Unexpected Chemistry of Perfluorovinyl Amine Derivatives. R. L. Kirchmeier, A. Vij, P. Connors, J. M. Shreeve 10:05—27. Oxidative Addition and Insertion Reactions of Hexafluoroacetone and Perfluorinated 1,2-Diketones to Compounds of Low-Valent Phosphorus: New Modes of Reaction and Unusual Products. R. Schmutzler Session Β
S. T. Purrington, Presiding 7:30—28. Plenary: New Methods for the Synthesis of Fluoroolefins. J. R. Mc Carthy 8:05—29. Synthesis and Chemistry of (aFluoropropargyl) Phosphonate Esters. G. B. Hammond 8:25—30. General Method for the Prepara tion of 1,1-Bis(trifluoromethyl)-Substituted Olefins. H. Lu, D. J. Burton 8:45—31. Synthesis and Trapping of a High ly Strained Olefin: Perfluorobicyclo[2.2.0]hex-1 (4)-ene. Y. Zhang, D. M. Lemal
A. J. Elliott, Presiding 9:05—32. 1,2-Dichloroperfluorocycloalkenes as Reactive Electrophiles. Q-C. Mir, C-Y. Guo, R. L. Kirchmeier, J. M. Shreeve 9:25—33. Ring-Opening Reactions of F-Cyclopropanes: A General and Useful Route to 1,3-Dihalofluoropropane Derivatives. Z-Y. Yang, P. J. Krusic, Β. Ε. Smart
NOVEMBER 7,1994 C&EN 39
MEETINGS 4:35—51. Synthesis, Properties, and Struc ture of Fluorophenylxenon(ll) and lodine(lll) Trifluoromethanesulfonates. D. Naumann, R. Gnann, V. Padelidakis, D. Pfolk, W. Tyrra 4:55—52. Amino Acids Containing Trifluo romethyl Boron Moieties. G. Pawelke, T. Dittmar 5:15—53. Fluorine-Containing Titanocene Amino Acid Complexes: Synthesis, Struc tural Investigations, and Biological Activity. I. C. Tornieporth-Oetting
Advance Registration Form
12th Winter Fluorine Conference Jan. 22-27,1995
St. Petersburg Beach, Fla.
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Deadline for partial refunds is Jan. 1 3 , 1 9 9 5 . $250 Fluorine Division member registration fee (tickets included) $300 Nondivision member registration fee
D Please check here if you are dis abled and require special services. We will contact you prior to the meet ing. Address during meeting:
(tickets included) $105 Student/postdoctoral student registration fee (tickets included) $105 Spouse/guest registration package fee (tickets included) $25 Spouse/guest registration fee (tickets not included) I would like to purchase the following tickets: Sunday evening reception Total registration fee $ .
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9:45—34. Reactions of Perfluorodienes. C. L. Andrews, P. L. Coe 10:05—35. a,a-Difluoro-y-trimethylsilylketone as a Precursor for the Synthesis of β-Fluoropyrroles. Z-M. Qiu, D. J. Burton
TUESDAY MORNING F. E. Behr, Presiding 8:00—36. Plenary: Some Novel Develop ments in Fluorocarbon Derivatives of Ni trogen and Oxygen. D. D. DesMarteau 8:35—37. New Synthesis of Fluorinated Oxetanes. V. A. Petrov, F. Davidson, Β. Ε. Smart 8:55—38. Perfluoro c/'s-2,3-Dialkyloxaziridines. Powerful yet Selective Oxidizing Agents. G. Resnati
9:15—39. Some Aspects of the Chemistry of Trifluoromethylhypofluorite and Bisfluoroxydifluoromethane with Fluorinated Ole fins. W. Navarrini, A. Russo, V. Tortelli, A. Zedda 9:35—40. Plenary: Introducing BrF 3 and Some Novel Hypofluorites to Organic Chemistry. S. Rozen 10:10—Intermission T. Yamazaki, Presiding 10:25—41. Plenary: New Stereoselective Ap proaches to a-Fluoro-p-hydroxy Alkanoic Acid Derivatives. T. Ishihara 11:00—42. New Methods for Installing the Difluoromethylene Group. J. A. Howarth, S. T. Patel, J. M. Percy, E. D. Scott 11:20—43. Reactions of Unsaturated Fluoroketones as Ambident Electrophiles. R. J. Linderman 11:40—44. Plenary: Specific Reactivity In duced by the Trifluoromethyl Group in Michael Reactions. A. Laurent
TUESDAY AFTERNOON J. L. Howell, Presiding 2:00—45. Chemistry of Fluorinated Vinyl Isocyanides. D. Lentz 2:35—46. Fluorous Biphase Systems: A New Way of Doing Chemistry. I. T. Horvâth, J. Râbai, R. A. Cook, K. A. Eriksen, P. S. Stevens, P. J. Guzi, W. Weissman 3:00—47. Fluoride-Ion Complexation. E. Lork, D. Bôhler, R. Mews 3:20—48. Amidophosphites, Aminophosphonium Salts, and Aminophosphoranes in Fluoroorganic Chemistry. A. A. Kolomeitsev, G-V. Rôschenthaler 3:40—49. Mechanism of Silicon-Fluorine and Silicon-Carbon Bond Cleavage in Organofluorosilicates: A Molecular Orbital Study. A. F. Janzen, X. Ou Κ. Seppelt, Presiding 4:00—50. Plenary: Electrophilic Aryl Element Cations [RnE]+. H. J. Frohn
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NOVEMBER 7,1994 C&EN
P1. Synthesis of Y[CF=C]- and Y[CH=C]Containing Peptides and Their Use as En zyme Inhibitors. K. E. Bergmann, J. T. Welch P2. Biochemical and Synthetic Studies of DL4,4-Difluoroglutamic Acid. T. Tsukamoto, J. K. Coward, T. Kitazume P3. Synthesis of Chiral Fluorinated [6]-Gingerol Derivatives Using Chiral α,αDifluoro-p-hydroesters Derived from Enzy matic Resolution. H. Fukuda, T. Kita zume, T. Yamazaki P4. Concise Route to Fluorinated Amino Acid Analogs. J. A. Howarth, W. M. Owton, J. M. Percy P5. New Routes to Phosphate Ester Mimics. T. P. Lequeux, J. M. Percy P6. Synthesis of 1-Azabicyclo[2.2.2]oct-3-yl a(1-Fluoropentan-5-yl)-a-hydroxy-a-phenylacetate (FQNPE)—A New Ligand for Radiolabeling with Fluorine-18 for the Poten tial Imaging of Muscarinic Receptors by PET. H. Luo, D. W. McPherson, F. F. Knapp Jr. P7. Group Contribution Model for Predicting the Molar Refractivities of Fluorochemicals. T. D. Le, J. G. Weers P8. Stereoelectronic Effect of Fluorine Sub stitution on Addition Reactions of the β-Fluoro-a-styryl Radical. M. D. Bamberg er, W. R. Dolbier Jr. P9. Reactivity of Fluorinated Alkyl Radicals in Solution. Some Absolute Rates of Hydro gen Atom Abstraction and Cyclization. X. X. Rong, W. R. Dolbier Jr. P10. New Persistent Perfluorocarbon Radi cals: An Estimate To Assign the ESR Spectra. D. Pfeifer, A. Dimitrov, U. Gross P11. Perfluoroalkylthiopolyfluoropyridines: Synthesis and Reactivity. A. M. Sipyagin, I. V. Efremov, I. A. Pomytkin, Ν. Ν. Aleinikov, S. A. Kashtanov P12. 2,4,6-Tris(trifluoromethyl)phenyl Group: Methyl and Vinyl Ketones and Related Chemistry. R. Filler, Z. Kong, Z. Zhang P13. Synthesis of Aryl Perfluoroalkyl Ketones from Aryl Perfluoroalkanes. G. J. Chen, L S. Chen, K. C. Eapen P14. Charge Transfer Complex of α,ω-Diiodoperfluoroalkanes with Pyrazine: Prepa ration and X-ray Crystal Structure Analysis. S-Y. Zhu, Q-L. Song P15. A Novel Synthesis of (-)-9,10-Difluoro2,3-dihydro-3(S)-methyl-7-oxo-7-H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid. Y. Kim, S. B. Kang P16. Novel Formation of a Polyfluorinated Oxepin. J. J. Parlow, C. R. Jones P17. Influence of Fluorinated Alcohols on the Reduction of α,β-Unsaturated Esters, Nitriles, and Chiral Imines with Ni2B/Sodium Borohydride: The Facile Preparation of Sat urated Esters, Nitriles, and Chiral Imines Using an Efficient Catalytic System. S. M. Williamson, C. M. Belisle, B. Singaram P18. Electrophilic Ipso Desilylations of Polyfluoroarenes. A. M. Callan, P. L. Coe P19. Reactions of Tetrafluoroethene Pentamer with Arylamines. P. Bouquet, P. L. Coe P20. Synthesis and Properties of 2,2',2"-Tris[(trifluoromethanesulfonyl)amino]triethylamine. D. Preugschat P21. New Strong Polyacid Catalyst. J-J. Ma, D. D. DesMarteau P22. Synthesis and Properties of Long-Chain oc,a)-Di(trifluorovinyl)ethers Containing the Sulfonimide Function. M-H. Tu, J-T. Liu, D. D. DesMarteau
P23. Syntheses and Structures of Novel Bis[(perfluoroalkyl)sulfonyl]imides with Long Perfluoroalkyl Chains. L Xue, W. T. Pen nington, D. D. DesMarteau P24. Reaction of /V-Fluoro Bis(trifluoromethylsulfonyl)imide with 2-Alkoxyl Alkyl Mer curic Chlorides. W. Ying, D. D. DesMar teau P25. Preparation of A/-(Perfluoroalkanesulfonyl)aminophosphonic Acids. S-Z. Zhu, D. D. DesMarteau P26. Thermal Stability and Safety Studies on the Selectfluor Electrophilic Fluorination Reagent. G. P. Pez, F. M. Prozonic, R. G. Syvret P27. Fluoroamidation of Alkenes via Electro philic Fluorine (F-TEDA) and Nitriles. M. L. Druelinger, P. E. Vorndam, K. Westerman, H. Jimenez P28. Gamma Fluorination of Unsaturated Ke tones with /V-Fluorobenzenesulfonimide. A. J. Poss, G. A. Shia P29. Reactions of Aminosulfur Trifluorides with Alcohols: Inversion versus Retention. D. F. Shellhamer, A. A. Briggs, Β. Μ. Mil ler, J. M. Prince, V. L. Heasley P30. Fluoride Ion-Induced Activation of S i - 0 and Si-S Bonds with Hexafluorocyclotriphosphazene. A. Vij, R. L. Kirchmeier, J. M. Shreeve P31. Reactions of Tetracyclic Tetraaminophosphoranes with Dichloroperfluorocyclic and Acyclic Alkenes and Halo-Compounds. O. D. Gupta, R. L. Kirchmeier, J. M. Shreeve P32. Synthesis of Bistrifluoromethylalkyl Amines and -fluoroalkyl Amines. K. Sato, M. Iwasaki, A. Sekiya P33. Organometallic Reagents from 134a (CF3CH2F) and Their Reactions. P. L. Coe, I. B. Haslock, R. L. Powell P34. Synthesis of Compounds of the Type RFRH. G. D. Burns, P. L. Coe P35. Physical Properties of Fluorinated Ethers. Y. Mochizuki, N. Nagasaki, A. Suga, Y. Gotoh, H. Ito, S. Yamashita, A. Sekiya P36. Toxicity, Thermal Stability, and Environ mental Impact of Fluorinated Ethers. H. Ito, N. Nagasaki, Y. Mochizuki, A. Suga, Y. Gotoh, S. Yamashita, A. Sekiya P37. Heats of Formation of Hydrofluorocarbons and Their Radicals. T. J. Buckley, R. D. Johnson III, R. E. Huie, Z. Zhang, S. C. Kuo, R. B. Klemm P38. Thermophysical Properties of HFC227ea and HFC-227ea Binary Mixtures. M. L. Robin, T. F. Rowland P39. Application of Cyclodextrin-Based Cap illary Gas Chromatography to the Enantio meric Resolution of Fluoroether Anesthet ics and Analogs. L. A. Rozov, D. F. Halpern, C. G. Huang, S. P. Kotun, F. Quiroz, K. Ramig, G. G. Vernice P40. The Analyses of Hexafluorophosphate (PF6~) and Hexafluoroarsenate (AsF6~) by Ion Chromatography. R. A. Meyer, J. C. Thompsen, J. D. Blanks, J. S. Thrasher P41. Measurement of Fluorine for Process Control by Magnetic Resonance. H. R. Cooper P42. Proton Nuclear Magnetic Resonance Chemical Shift: 2 J H -F Coupling Constant Correlations of Polarized C-H Hydrogen Bonds with Various Acceptors. H. Zhang, J. L. Adcock P43. Teflon-Coated Microelectrodes for Scanning Tunneling Microscopy in Polar and/or Corrosive Solvents. T-L. Liu, R. T. Carlin, Y-T. Kim, J. S. Thrasher P44. High-Resolution Mid-Infrared FourierTransform Spectrum of Difluorodioxirane CF 2 0 2 : Ground, v,, v2, and v 8 States. H. Burger, P. Weinrath, G. A. Arguello, B. Julicher, H. Willner, D. D. DesMarteau, A. Russo
WEDNESDAY EVENING Poster Session B/Mixer 8:00-10:30
J. T. Welch, Presiding P45. Old Horses with New Jockeys: The Fluoroaluminates. S. D. Meshri, D. T. Meshri, S. Kumar, D. B. Contractor, S. Bhagat
P46. Novel Trifluoromethyl Arsenic-Substitut ed Ruthenium Clusters. H. G. Ang, L. L. Koh, W. L. Kwik, Y. W. Lee P47. Pentafluorophenylphosphine Complex es of Rhodium. M. J. Atherton, K. S. Coleman, J. H. Holloway, E. G. Hope, A. Karaçar, L. A. Peck, G. C. Saunders P48. Syntheses and Structures of SF5- and TeF5-Substituted Isocyanide Metal Complexes. D. Preugschat, J. S. Thrasher P49. SF5-Nitramide Salts. W. M. Koppes, M. E. Sitzmann, J. S. Thrasher, Ζ. Υ. Yang, M. Clark P50. Thiapyrylium Fluoride: A Computational and Preparative Study. K. V. Madappat, R. Kuschel, J. S. Thrasher P51. Unusual Reaction of Trifluoromethylsulfenyl Chloride with 1,3-Dithiane. S. Munavalli, L. L. Szafraniec, W. T. Beaudry, D. K. Rohbaugh, D. I. Rossman, T. Russo, H. D. Durst P52. Syntheses and Some Uses of Functionalyzed α,β-Difluorinated Alkyl Aryl Sul fides. D. F. Andres, E. G. Laurent, B. S. Marquet P53. Synthesis of Fluorinated Sulfur Heterocycles with a Potential of Forming 1,3Butadienes. J. Burdon, P. L. Coe, J. Whittaker P54. Synthesis and Properties of Dioxolane Derivatives of 1,1,4,4-Tetranitro-1,4-difluorobutane-2,3-diol: Regioselective Cleavage of a Cyclic Orthoformate. W. M. Koppes P55. Synthesis of Quinazolines from o-Fluorobenzaldehyde and o-Fluoroketones. J. B. Hynes P56. Cycloaddition of β-Perfluoroalkylacetylenic Esters and Benzonitrile Oxides. B. C. Hamper, K. L. Leschinsky P57. Specific Reactivity of 5-Trifluoromethylisoxazoles toward Lithium Aluminum Hy dride: Synthesis of 2,2,2-Trifluoroethylaziridines. C. Felix, N. Khatimi, A. Laurent P58. Synthesis and Chemistry of Novel Perhalogenated Oxaziridines, Oxazolidines, and Oxazolines. T. E. Mlsna, D. D. Des Marteau P59. Synthesis and Preliminary Chemistry of Polyfluorinated Oxazolidones. L. E. Yasinsac, T. E. Mlsna, D. D. DesMarteau P60. Incorporation of Fluorinated Substituents into Crown Ethers. S. Elshani, R. L. Kirchmeier, C. M. Wai, J. M. Shreeve P61. Cyclic Ethers with Fluorinated Side Chains. J. Chen, Y-F. Zhang, R. L. Kirch meier, J. M. Shreeve P62. Mono- or Bistrifluoroethylation of 1,10Diaza-18-crown-6. A. Manfredi, V. Montanari, S. Quid, G. Resnati P63. Novel Synthesis of Reactions of 1,2-Bis(fluorosulfonyl)tetrafluoroethane. L. Zhang, A. Klauck, D. D. DesMarteau P64. Synthesis of Perfluoroalkyl Methyl Sulfone (RfS02CH3) and Methylene Disulfone (RfS02CH2S02Rf) Monomers. G. J. Shafer, D. D. DesMarteau P65. Synthesis of Symmetrical Fluorinated Ethers. Y. Xie, D. D. DesMarteau P66. Synthesis and Chemistry of 1-Sulfonylchloro-4-sulfonylamido Perfluorodiethyl Ether (CI0 2 SCF 2 CF 2 OCF 2 CF 2 S0 2 NH 2 ): Cyclization and/or Polymerization. L. Xue, D. D. DesMarteau P67. Fluorinated Polyethers. M. P. Greenhall, R. D. Chambers, A. K. Joel P68. Synthesis of Perfluorovinyl Ethers Con taining Phosphonic Ester Groups. S. Pedersen, Z-M. Qiu, W-M. Qiu, S. V. Kotov, D. J. Burton P69. Preparation of Perfluorocarbon Poly mers Containing Phosphonic Acid Groups. S. V. Kotov, W-M. Qiu, S. Pedersen, Z-M. Qiu, D. J. Burton P70. Failure of Hard-Disk Recording Devices Caused by Catalytic Decomposition of Perfluoropolyether Lubricants Reacting with Airborne Environmental Amines. J. A. Doi, M. P. Easton, D. M. Speckman, A. Craig, J. S. Wong P71. Reactions of Perfluoropolyether Ther mal Degradation Products with Cyclic and Acyclic Amines. D. M. Speckman, M. P. Easton, J. A. Doi, G. A. To P72. Identification of Commercial Perfluoropolyethers and Their Decomposition Products by Pyrolysis Gas Chromatography-Mass Spectrometry. M. P. Easton, G. A. To, D. M. Speckman, J. A. Doi
P73. Critical Solution Temperatures versus Alkyl Bromides as a Means for Character izing the Lipophilic Character of Fluorochemicals. T. D. Le, Ε. Maleki, J. G. Weers, S. A. Shackelford P74. Regio-, Diastereo-, and Enantioselective Trifluoromethylation. K. Adachi, T. Umemoto P75. Synthesis of the Chiral a-Trifluoromethylated Aldehyde. T. Konno, T. Yamazaki, T. Kitazume P76. The Oxy-Cope Rearrangement in Organofluorine Chemistry. C. Mercier, J. M. Percy, E. Scott P77. Aldol Reaction with Fluoroenolates. J. A. Howarth, W. M. Owton, J. M. Percy P78. Thermodynamically Stable Enols. P. E. Lindner, D. M. Lemal P79. Bis(fluoroalkoxy)triphenylphosphoranes: A New Reagent for the Preparation of Fluo rinated Ketals. Z-Y. Yang P80. Fluoral Hydrate: A New Industrial Ac cess to a Key Intermediate. R. Jacquot, C. Mercier, J. M. Popa, C. M. Richardson, P. Webb P81. Cyclic F-Alkyl Imidates in the Synthesis of 2-(F-Alkyl)ethanols. N. O. Brace P82. Synthesis and Reactions of Two New Fluoroalkenes. T. B. Patrick, B. Neal, Y. Shu, M. Lanahan P83. Synthesis of Fluorinated β-Lactones and Their Conversion to Difluoromethylene Olefins. W. R. Dolbier Jr., R. Paredes, R. Ocampo P84. Preparation of frans-1,2-Difluoro-1-iodo2-perfluoroalkyl Ethylene Synthons. R. M. Narske, Y-B. He, S. Fontana, D. J. Burton P85. Preparation and Characterization of Fluorinated irans-Dienes and Trienes. L. Xue, D. J. Burton P86. Reaction of Perfluoroalkyl Iodides with Electron-Deficient Olefins under Ultraviolet Irradiation. Z-M. Qiu, D. J. Burton P87. New Electrophilic Reactions of Perfluoroalkylethylenes. Synthesis and Re actions of 1-Halo-1,1,2-trihydroperfluoroalkenes-2. V. A. Petrov P88. Chemistry of a Highly Strained Olefin: Perfluorobicyclo[2.2.0]hex-1 (4)-ene. Y. Zhang, D. M. Lemal P89. Reactions of Internal Perfluoroolefins with Secondary Amines. G. G. Furin, Z. D. Dubovenko, D. D. Moldavsky
THURSDAY AFTERNOON C. G. Krespan, Presiding 2:00—63. Plenary: Reactivity of Fluorinated and Partially Fluorinated Radicals in Solution. W. R. Dolbier Jr., X. X. Rong, H-Q. Pan, D. V. Avila, J. Lusztyk, K. U. Ingold 2:35—64. Fluororadical Cyclizations. Β. Ε. Smart, Z-Y. Yang, W. R. Dolbier Jr., X. X. Rong 2:55—65. Intramolecular Cyclizations of gem-Difluoroolefins via a-Fluorocarbocations. J. Ichikawa, H. Jyono, M. Kaneko, S. Miyazaki, T. Minami 3:15—66. Trifluoromethyl Oxonium Salt, o(Trifluoromethyl)dibenzofuranium Salts and Their Application as Sources of a Real Trifluoromethyl Cation. T. Umemoto, S. Ishihara, K. Adachi
S. H. Strauss, Presiding 3:35—67. Plenary: Fluorination of Carbon Nanotubes. T. Nakajima, S. Kasamatsu, Y. Matsuo 4:10—68. Experimental Studies on Copper Fire Refining by Fluoridation. B. Zhao, Q. Zhao, N. J. Themelis 4:30—69. 19F Nuclear Magnetic Resonance Spectroscopy Is an Excellent Method for Noninvasive Studies of Drugs. W. Wolf 4:55—70. High-Pressure Nuclear Magnetic Resonance Study of Solvation Dynamics in 1,1,1,2-Tetrafluoroethane and Fluorinat ed Metal Chelating Agents. S. L. Wallen, C. R. Yonker 5:15—71. Surface Characterization of Waterborne Fluorochemical Coatings. D. L. Schmidt, B. M. DeKoven, C. E. Coburn, G. E. Potter, G. F. Meyers, D. A. Fischer, S. J. Pachuta, M. J. Pellerite
FRIDAY MORNING D. A. Dixon, Presiding
THURSDAY MORNING D. D. DesMarteau, Presiding 8:00—54. Plenary: On the Chemical Oxy genation of NF3 and the Structures of Heptacoordinated Complex Fluorides Containing One or Two Highly Repulsive Ligands or Sterically Active Free Valence Electron Pairs. K. O. Christe, W. W. Wil son, D. A. Dixon, J. C. P. Sanders, G. J. Schrobilgen, S. Tsai 8:35—55. Preparation and Structural and Magnetic Properties of AgF+MF6" (M = Ir, Ru, Sb, Bi) and Ag2+(BiF6~)2. G. Lucier, J. Munzenberg, W. J. Casteel Jr., F. Holland er, N. Bartlett 8:55—56. Recent Developments in the Orga nometallic Chemistry of Fluorocarbons. T. G. Richmond 9:15—57. Plenary: Novel Fluoroanions. K. Seppelt, S. Giese, A-R. Mahjoub, R. Kuster, X. Zhang 9:50—Intermission
W. V. Cicha, Presiding 10:15—58. Plenary: Coordinative Unsaturation: A New Look at an Old Idea. S. H. Strauss 10:50—59. Low-Valent Transition-Metal Fluo ride and Teflate Complexes. S. A. Brewer, L. A. Buggey, M. C. Crossman, J. H. Hol loway, E. G. Hope, D. J. Walker, P. G. Watson 11:10—60. Structure of and Bonding in Anti mony Fluoro-Fluorosulfato Derivatives. D. Zhang, F. Aubke 11:35—61. Synthesis and Properties of Trifluoromethyl-Substituted Arsenic Azides. H. G. Ang, Y. W. Lee 11:55—62. Fluorine-Containing Group XV Azides. P. Geissler, H. Holfter, T. M. Klapôtke, A. Schulz
8:00—72. CFxOy Compounds of Atmospher ic Importance Studied by Matrix Isolation Spectroscopy. H. Willner 8:20—73. Vibrational States of FCCCI Stud ied by High-Resolution Infrared Spectros copy with Assistance of Ab-initio Calcula tions. H. Burger, M. Senzlober 8:40—74. Crystal Structures of Some SmallMolecule Low-Melting Fluorine Com pounds. T. Dahlems, M. F. Klapdor, C. Meyer, D. Mootz, W. Poll, M. Schilling 9:05—75. Gas-Phase Structures of (CF3S)2C=C=0, CF3SC(F)=CF2, and (CF3S)2C=C(SCF3)2. A. Olletta, C. O. Delia Vedova, A. Waterfeld, H. Oberhammer 9:25—76. Computational Explorations of Fluorine Chemistry: The SF6~ Anion and Polylithium Fluorine Compounds. C. J. Marsden 9:45—77. Magic Acids: SBF5 and FS0 3 H. F. Aubke, G. Hàgele, M. Heubes
J. T. Welch, Presiding 10:05—78. Plenary: Preparation of Aromatic Fluorides Using Hydrogen Fluoride. N. Yoneda 10:40—79. Nucleophilic Aromatic Fluorination via Aryl Cation in the Solvolysis of Aryl Triflate. Y. Kikuta, H. Kobayashi, T. Sonoda 11:00—80. A Selective Reaction between CeF4 and 2-lsopropylnaphthalene. P. B. Henderson 11:20—81. Ion Pair Formation in the Trifluoroacetolysis of Fluorinated Benzylic Substrates. A. D. Allen, M. Fujio, T. T. Tidwell, Y. Tsuno, K-l. Yatsugi 11:40—82. New Polyfluoroarylating Reagents Based on the Polyfluoroaromatic Derivatives of lll-VI Group Elements. G. G. Furin, A. O. Miller, S. A. Krupoder
NOVEMBER 7,1994 C&EN 41
