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A facile synthesis of large extraannular-functionalized phenyl-ethynyl macrocycles containing m-terphenyl units
Sigurd Höger1, Silvia Rosselli, Anne-Désirée Ramminger
1Max Planck Instituite for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany. shoeger@polyibm2.chemie.uni-karlsruhe.de
Organic Letters
|November 22, 2002
Abstract:
[reaction: see text] Two large extraannular-functionalized phenyl-ethynyl macrocycles containing m-terphenyl units are described. The synthesis of the m-terphenyl building blocks is based on the transformation of pyrylium salts to arenes.