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Chemistry Letters
Article ID: 150340



  • Abstracts

An anthracene–acetylene cyclic dimer with an intraannular ethyl group was synthesized as a sterically congested π-conjugated compound by cyclization with Sonogashira coupling. The ethyl group was conformationally cramped by the rigid macrocyclic framework because of the severe steric interactions, as revealed by 1H NMR spectroscopy and DFT calculation.

Copyright © 2015 The Chemical Society of Japan

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