The stable pentamethylcyclopentadienyl cation.

[1]  P. Jutzi,et al.  Synthesen mit dem Reagenz Pentamethylcyclopentadienylbromid/Silbertetrafluoroborat: Das Pentamethylcyclopentadienyl‐Kation als reaktive Zwischenstufe , 1992 .

[2]  D. Cram,et al.  The Taming of Cyclobutadiene , 1991 .

[3]  S. Strauss The search for larger and more weakly coordinating anions , 1993 .

[4]  S. W. Staley,et al.  Mechanism of the bass-promoted cyclodimerization of cycloheptatriene , 1974 .

[5]  D. J. Cram,et al.  Die Zähmung von Cyclobutadien , 1991 .

[6]  K. B. Wiberg Antiaromaticity in monocyclic conjugated carbon rings. , 2001, Chemical reviews.

[7]  M. R. Rifi,et al.  Cycloheptatrienide (Tropenide) Anion , 1963 .

[8]  Hongwei Wu,et al.  The Allyl Leaving Group Approach to Tricoordinate Silyl, Germyl, and Stannyl Cations , 1999 .

[9]  E. Wasserman,et al.  Stable Triplet States of Some Cyclopentadienyl Cations , 1967 .

[10]  H. Kalinowski,et al.  Cyclobutadiene: Mesomerism or Valence Isomerism? , 1982 .

[11]  Mark S. Gordon,et al.  General atomic and molecular electronic structure system , 1993, J. Comput. Chem..

[12]  A. D. Allen,et al.  SOLVOLYTIC GENERATION OF ANTIAROMATIC CYCLOPENTADIENYL CATIONS , 1997 .

[13]  P. Bartlett,et al.  Exchanges of Halogen and Hydrogen between Organic Halides and Isoparaffins in the Presence of Aluminum Halides , 1944 .

[14]  J. G. Radziszewski,et al.  13C NMR and polarized IR spectra of vicinally labeled [13C2]cyclobutadiene in an argon matrix: Interconversion of valence tautomers , 1988 .

[15]  J. McBride,et al.  Unsubstituted cyclopentadienyl cation, a ground-state triplet , 1973 .

[16]  H. Irngartinger,et al.  Bonding Electron Density Distribution in Tetra‐tert‐butylcyclobutadiene— A Molecule with an Obviously Non‐Square Four‐Membered ring , 1983 .

[17]  G. Olah,et al.  Stable carbocations. CXIX. Carbon-13 nuclear magnetic resonance spectroscopy study of the structure of allyl cations , 1971 .

[18]  W. Doering,et al.  Base-Catalyzed Deuterium Exchange in Cycloheptatriene. Evidence for the Cycloheptatrienide Anion , 1963 .

[19]  P. Schleyer,et al.  Magnetic Evidence for the Aromaticity and Antiaromaticity of Charged Fluorenyl, Indenyl, and Cyclopentadienyl Systems , 1997 .

[20]  A. D. Allen,et al.  Antiaromaticity in open-shell cyclopropenyl to cycloheptatrienyl cations, anions, free radicals, and radical ions. , 2001, Chemical reviews.

[21]  Molecular mechanics and ab initio calculations on cyclopentadienyl cations , 1998 .

[22]  J. Thiele Ueber Abkömmlinge des Cyclopentadiëns , 1901 .