7. Cyclobis(paraquat-p-phenylene)-based [2]catenanes prepared by kinetically controlled reactions involving alkynes Posted on September 23, 2006November 30, 2016 by dlg6123 O. Š. Miljanić, W. R. Dichtel, S. Mortezaei, J. F. Stoddart, Org. Lett. 2006, 8, 4835-4838. Full Text.