Parent <i>o</i>-Phenylene Oligomers: Synthesis, Conformational Behavior, and Characterization
作者:Sanyo M. Mathew、C. Scott Hartley
DOI:10.1021/ma201866p
日期:2011.11.8
have been reported, most of the basic properties of the parent compounds are unknown. Here we report the synthesis and characterization of the series of unsubstituted o-phenylene oligomers up to the octamer. Through a combination of NMR spectroscopy, including dynamic NMR (EXSY), and computational chemistry, we have found that these compounds adopt compact helical conformations in solution with three