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Abstract
A new Dimeric calixarene from the head to head linkage of two calix[4]arene units fixed in the cone conformation was synthesized via Sonogashira cross-coupling reaction. The structure of 10 was confirmed by NMR, MS and IR-spectroscopy.
Acknowledgements
Saeed Taghvaei-Ganjali is grateful to the Research Council of Islamic Azad University. Generous support from Prof. Dr. J. Ipaktschi, Institute of Organic Chemistry Giessen University is highly acknowledged.