Conformational dependencies of vicinal carbonyl-nitrogen-carbon-carbon (13C(O)-N-C.alpha.-13C) and carbonyl-nitrogen-carbon-hydrogen (13C(O)-N-C.alpha.-1H) coupling constants in compounds which model the peptide backbone
Conformational dependencies of vicinal carbonyl-nitrogen-carbon-carbon (13C(O)-N-C.alpha.-13C) and carbonyl-nitrogen-carbon-hydrogen (13C(O)-N-C.alpha.-1H) coupling constants in compounds which model the peptide backbone