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9,9'-difluorene
SpectraBase Compound ID 5Oz1D4oPCap
InChI InChI=1S/C26H18/c1-5-13-21-17(9-1)18-10-2-6-14-22(18)25(21)26-23-15-7-3-11-19(23)20-12-4-8-16-24(20)26/h1-16,25-26H
InChIKey QXAIDADUIMVTPS-UHFFFAOYSA-N
Mol Weight 330.43 g/mol
Molecular Formula C26H18
Exact Mass 330.140851 g/mol
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum AA-0-1949-2
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum HE-1982-0-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum PG-1982-441-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum SO-0-67-20
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum F-46-6050-6
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum K-127-1100-5
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum W5-1989-25669-1
Copyright Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent CDCl3
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 123781
Solvent CDCl3
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample H. Cohen & J. Chan, Roosevelt University, Chicago, Illinois
Technique KBr WAFER
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent Unknown
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent SBF5+SO2ClF
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent SO2ClF+SBF5
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent Unknown
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent HET
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 123781
Solvent CDCl3
  • DIFLUORENYLIDENE-DICATION
  • TETRABENZO-[5.5]-FULVALENE-DICATION
  • 9-(9H-FLUOREN-9-YLIDENE)-9H-FLUORENE-DICATION;TETRABENZO-[5.5]-FULVALENE-DICATION
  • 9-(9-H-FLUOREN-9-YLIDENE)-9-H-FLUORENE_DICATION
  • TETRABENZO-[5.5]-FULVALENE
  • 9,9'-Bi-9H-fluorene
  • 9,9'-Bifluorene
  • DIFLUORENYL
  • 9,9'-BIFLUORENYL
  • BIFLUORENE, 9,9PR-,
  • 9H,9'H-[9,9']BIFLUORENYL
Title Journal or Book Year
Dications of Fluorenylidenes. Contribution of Magnetic and Structural Effects to the Antiaromaticity of Fluorenylidene Dications with Cyclic Substituents The Journal of Organic Chemistry 2002
Dications of Fluorenylidenes. Use of Magnetic Properties To Evaluate the Antiaromaticity of the Dication of Tetrabenzo[5.5]fulvalene and Substituted Fluorenyl Cations Journal of the American Chemical Society 1999
Dications of Fluorenylidenes. Electronic Effects on the Paratropicity/Antiaromaticity of 2,7-Disubstituted Fluorenyl Cations The Journal of Organic Chemistry 1998
Dications of Fluorenylidenes:  Conformational and Electronic Effects on the Paratropicity/Antiaromaticity of Fluorenyl Cations with Cyclic Substituents The Journal of Organic Chemistry 1997
Dications of Tetrabenzofulvalenes. Paratropicity and .sigma. Donation in Perpendicular Antiaromatic Systems Journal of the American Chemical Society 1994

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