13C Chemical Shifts of Symmetrically Substituted Biphenyls: Unambiguous Signal Assignment for the Carbons ortho and para to an Aryl Group

Article abstract of DOI:10.1002/mrc.1270170406

The natural abundance 13C NMR spectra of 2,2'-dimethyl-, 2,2'-dimethoxy- and 2,2'-dihydroxybiphenyls, and a series of 2,2'-dimethoxy-5,5'-disubstituted biphenyls were recorded.Unambiguous signal assignments of the carbons ortho and para to an aryl ring in