Philicity and Fugality Scales for Organic Reactions

Table 2

Electrophilicity index of  X-substituted phenyl benzoated. Adapted with permission from [31].

Compound	(eV)	X	(eV)	(eV)		(M^−1s^−1)
1	0.94	3,4-diNO2	0.90	0.89	0.83	1.92
2	0.75	4-NO2	0.72	0.71	0.78	0.231
3	0.61	4-CN	0.61	0.60	0.66	—
4	0.61	4-CHO	0.35	0.34	0.42	0.103
5	0.57	4-COCH3	0.20	0.19	0.50	0.0768
6	0.56	4-CO2Et	0.09	0.08	0.45	—
7	0.77	3-NO2	0.77	0.76	0.71	0.141
8	0.56	3-COCH3	0.21	0.20	0.38	0.0359
9	0.53	4-Cl	0.01	0.00	0.23	—
10	0.66	H	0.01	0.00	0.00	0.0102
11	0.47	4-CH3	0.01	0.00	−0.17	0.00783
12	0.83	4-OCH3	0.01	0.00	−0.27	0.00843

^aData from references [32–34].