Synfacts, Table of Contents Synfacts 2013; 9(7): 0721DOI: 10.1055/s-0033-1339229 Synthesis of Materials and Unnatural Products © Georg Thieme Verlag Stuttgart · New York Expanded Helical Porphyrins Contributor(s): Timothy M. Swager , Ellen M. Sletten Recommend Article Abstract Buy Article Key words Key wordsexpanded porphyrins - helical chirality - copper complexes - nickel complexes Full Text