Preface ........................................................ xi
1 Experimental and Computational NMR Spectroscopic
Investigation of Silyl-Substituted Carbocations .............. 1
Hans-Ullrich Siehl
2 Super-Stabilization of π-Conjugated Cations by Annelation
to Bicyclic Frameworks ...................................... 32
Koichi Komatsu
3 Unusually Stable Vinyl Cations .............................. 51
Thomas Müller, Dominik Margraf, Yvonne Syha, Hamid Reza
Nasiri, Christian Kaiser, Rita Maier, Bettine Boltres,
Mark Juhasz, and Christopher A. Reed
4 Vinyl Iodonium Salts as Precursors to Vinyl Cations ......... 68
Tadashi Okuyama and Morifumi Fujita
5 Generation of Alkylideneallyl Cations from
Alkylidenecyclopropanone Acetals: Selectivity of Reaction
with Nucleophiles ........................................... 88
Morifumi Fujita and Tadashi Okuyama
6 Conformational Studies of Cyclobutylmethyl Cations ......... 106
V. Prakash Reddy, G.K. Surya Prakash, and Golam Rasul
7 Persistent Organic Cationic Complexes: Structure and
Reactivity ................................................. 118
Gennady I. Borodkin and Vyacheslav G. Shubin
8 Activation of Electrophilic Sites by Adjacent Cationic
Groups ..................................................... 144
Douglas A. Klumpp
9 Stabilized Carbocations as Redox Active Chromophores:
Preparation of Electrochromic Materials Using Stabilized
Carbocations ............................................... 160
Shunji Ito, Koji Akimoto, and Noboru Morita
10 Cation Pool Method and Cation Flow Method .................. 184
Jun-ichi Yoshida
11 Fluorenylidene and Indenylidene Dications: Insights about
Antiaromaticity ............................................ 210
Nancy S. Mills
12 Generation, Stability, and Reactions of Alkylated
Fullerene Cations .......................................... 234
Toshikazu Kitagawa
13 Carbocations on Surfaces: Formation of Bicyclobutonium
Cation via Ionization of Cyclopropylcarbinyl Chloride
over NaY Zeolite ........................................... 254
Marcelo Franco, Nilton Rosenbach Jr., W. Bruce Kover,
and Claudio J.A. Mota
14 MO Calculations Involving μ-Hydrido Cation Intermediates
Relevant to the Heptane to Toluene Dehydrocyclization
Reaction ................................................... 268
Ted S. Sorensen and Esther C.F. Yang
15 Theoretical Studies on Structure and Dynamics of
Carbonium Ions ............................................. 297
Pierre M. Esteves, Felipe P. Fleming, and André
G.H. Barbosa
16 Quantum Chemical Studies of Carbocations from Oxidized
Metabolites of Aza-Polycyclic Aromatic Hydrocarbons ........ 329
Gabriela L. Borosky and Kenneth K. Laali
17 How Does Carbocation Stability Control the Beckmann
Rearrangement Reaction? .................................... 364
Salai C. Ammal and Hiroshi Yamataka
18 Solvent Effects on the Chemistry of Bromonium and
β-Bromocarbenium Ions as Reactive Intermediates ............ 375
Cinzia Chiappe
19 Syntheses of the CFY2+ (Y = Cl, Br) and CX3+ (X = Cl, Br,
OTeF5) Cations Employing the Noble-Gas Oxidant,
XeOTeF5+Sb(OTeF5)6- ........................................ 394
Hélène P.A. Mercier, Matthew D. Moran, and Gary J.
Schrobilgen
20 Organoxenonium Salts: Synthesis by "Xenodeborylation",
Reactivities, and NMR Spectroscopic Properties ............. 428
H.-J. Frohn and V.V. Bardin
21 Halogen Transfer Reactions from bis-Amino Halonium Ions
to Acceptor Olefins: Mechanism and Strategies for Chiral
Halogenation ............................................... 458
R. Stan Brown, Alexei A. Neverov, C. Tony Liu, and
Christopher I. Maxwell
22 Synthesis of Phosphonium Salts by Metal-Catalyzed
Addition Reaction .......................................... 477
Mieko Arisawa and Masahiko Yamaguchi
Indexes
Author Index .................................................. 495
Subject Index ................................................. 497
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