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New Halogenated Pentiptycenes: The Need for Acetonitrile
J.-S Yang*, J.-L. Yan, Y.-X Jin*, W.-T. Sun, M.-C. Yang
National Taiwan University, Taipei, National Central University, Chungli, Taiwan and Haerbin Normal University, P. R. of China
25 May 2009 (online)
Previous synthetic work described the synthesis of a number of mono-haloginated pentiptycenes derived from pentiptycene phenol (2), which in turn was derived from pentiptycene aminophenol (1). However, these strategies did not allow the access of compounds 3-8. The authors of this work have been able to synthesize compounds 3-8 using similar chemistry as in the previous efforts by recognizing the importance of the choice of solvent. The authors also demonstrate a number of cross-couplings of the derived halogenated pentiptycenes.