van Gerven Paul C M, Elemans Johannes A A W, Gerritsen Jan W, Speller Sylvia, Nolte Roeland J M, Rowan Alan E
Department of Organic Chemistry, Institute for Molecules and Materials, Radboud University Nijmegen, Toernooiveld 1, 6525 ED, Nijmegen, The Netherlands.
Chem Commun (Camb). 2005 Jul 28(28):3535-7. doi: 10.1039/b503619d. Epub 2005 Jun 9.
A porphyrin macrocyclic square is efficiently prepared by a dynamic combinatorial approach to olefin metathesis and shown by scanning tunneling microscopy (STM) to self-assemble into highly ordered arrays on a graphite surface.