Perfluorophenyl and phenyl substituted diacetylenes attracted our attention as the first reported example of a supramolecular stacked diacetylene was said to result in a cis-polybutadiyne upon photopolymerization in the solid state. 1 The π–π stacking interaction between benzene and hexafluorobenzene has already been reported in 1960 by Patrick and Prosser. 2 The supramolecular synthon has meanwhile been investigated in detail and has been applied successfully in ...
