Figure 7.
Conformations studied via quantum-mechanical calculations for protonated and deprotonated states. C1 represents the lowest energy, hydrogen bonded conformation, whereas C2 represents conformation with 180° rotation about the 5-6 bond.
Conformations studied via quantum-mechanical calculations for protonated and deprotonated states. C1 represents the lowest energy, hydrogen bonded conformation, whereas C2 represents conformation with 180° rotation about the 5-6 bond.