Fig. 8 in Intramolecular transesterification of depsides yields fluorescent 1H-isochromen-1-ones: Application as a chemical probe for lichen determination

Fig. 8. Relaxed coordinate scans of simplified despides under A. neutral and B. basic conditions; C. Energy minimized structure of simplified depsidone under basic conditions; D. Manually adjusted dihedral angle to position the enolate close to the ester carbonyl group.