Table 2. Thermochemical Data for the Reaction of Pinocembrin with ^•OOH in Pentyl Ethanoate (Labeled with Superscript ^PE) and in Water at pH = 7.4 and 298.15 K^a.

		H2PinPE		H2Pin		HPin–
Mechanism	Site	ΔG°	ΔG‡	ΔG°	ΔG‡	ΔG°	ΔG‡
f-HAT	C5	17.1		10.7		7.8	43.3
	C7	11.6		11.2
RAF	C4	34.6		33.9		14.6
	C5	25.6		22.4		22.2
	C6	24.1		23.8		19.1
	C7	26.0		24.8		32.2
	C8	23.9		22.9		19.2
	C1′	24.0		22.3		22.6
	C2′	22.5		20.9		21.8
	C3′	24.0		22.2		22.4
	C4′	23.3		22.3		22.2
	C5′	23.3		22.4		22.4
	C6′	22.8		21.8		22.2
SET				40.8	49.3	22.2	23.7

^aΔG° – Gibbs free energies. ΔG^‡ – activation energies. All values are given in kcal mol^–1.