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Synthesis and Crystal Structure of 1, 3, 5, 7-tetramethyl-2, 6, 8-triethyl Pyrromethene-BF2 Complex

  • Yi Zhong Yuan*
  • , Zu Guang Yao
  • , Zhen Rong Sun
  • , He Ping Zeng
  • , Jing Xin Ding
  • , Da De Zhang
  • *Corresponding author for this work
  • East China University of Science and Technology
  • East China Normal University
  • Res. Inst. Photo. Mat. Chem. Indust.

Research output: Contribution to journalArticlepeer-review

Abstract

The title compound (C19H27BF2N2,Mr = 332.24) was obtained by the reaction of 2,4-dimethyl-3-ethylpyrrole with triethylamine and boron trifluoride diethyl etherate in dichloroethane. Its structure was characterized by elemental analysis, IR, 1H NMR,MS and X-ray diffraction.The crystal of title compound belongs to tridinic system with space group P-1 (No.2) and cell parameters: a = 1.225 7(2), b = 1.783 0(8), c = 0.887 7(2) nm, α = 100.26(2), β = 107.57(1), γ = 76.96(2)°, V = 1.789 2(9) nm3, Mr = 332.24, Z = 4, Dc = 1.233 g·cm-3, μ(MoKα) = 0.86 cm-1, F(000) = 712.00. R = 0.051, Rw = 0.060. In the molecule, all non-H atoms except C(12),C(15),C(18),F(1),F(2) are on the same plane. Based on its crystal data, we have also discussed the relationship between structure and property of title compound.

Original languageEnglish
Pages (from-to)265-266
Number of pages2
JournalGuang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis
Volume22
Issue number2
StatePublished - Apr 2002
Externally publishedYes

Keywords

  • Crystal structure
  • Pyrromethene-BF complexes
  • Synthesis

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