Chem. J. Chinese Universities ›› 2010, Vol. 31 ›› Issue (6): 1072.

• Letters • Previous Articles     Next Articles

Synthesis and Characterization of 5,5′-Dimethyl-2,2′-bisindan-1,1′,3,3′-tetrone

LI Ping1*, MENG Ji-Ben2   

  1. 1. School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China;
    2. Department of Chemistry, Nankai University, Tianjin 300071, China
  • Received:2009-12-07 Online:2010-06-10 Published:2010-06-10
  • Contact: LI Ping. E-mail: llee2004@tjut.edu.cn
  • Supported by:

    国家自然科学基金(批准号: 20372039)资助.

Abstract:

Based on the synthesis of 2,2′-bisindan-1,1′,3,3′-tetrone(1), 5,5′-dimethyl-2,2′-bisindan-1,1′,3,3′-tetrone(2) was obtained. This paper described the synthetic process and confirmed the characteristic of compound 2 by elemental analysis, 1H NMR, FTIR and MS, then discussed a possible existing form. Compound 2 maily existed as en-ol form and had H-bonds in the molecule. At the same time, the ESR value of compound 2 was given as g=2.0042, could form stable radical.

Key words: 4-Methylphthalic anhydride; Isomerization; Hydrogen bond

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