On the Importance of the Aromatic Ring Parameter in Studies of the Solvolyses of Cinnamyl and Cinnamoyl Halides

Table 3

Correlation of the specific rates of reaction of 2, at 25.0^∘C using equations (1)–(4).

Substrate	𝑛^a	𝑙^b	𝑚^b	ℎ^b	𝑐^c	𝑅^d	𝐹^e
2; 25.0^∘C	37^f		0.76 ± 0.03		−0.15 ± 0.08	0.973	616
		0.14 ± 0.10	0.79 ± 0.04		−0.11 ± 0.08	0.974	317
		(0.17)^g
			0.79 ± 0.04	0.33 ± 0.21	−0.20 ± 0.08	0.975	323
				(0.12)^g
		0.51 ± 0.11	1.01 ± 0.05	1.13 ± 0.24	−0.13 ± 0.06	0.985	354
	36^h		0.78 ± 0.03		−0.20 ± 0.08	0.972	577
		0.13 ± 0.09	0.81 ± 0.04		−0.16 ± 0.09	0.973	298
		(0.17)^g
			0.81 ± 0.03	0.37 ± 0.20	−0.26 ± 0.08	0.974	311
				(0.08)^g
		0.54 ± 0.10	1.05 ± 0.05	1.23 ± 0.21	−0.20 ± 0.06	0.987	403
	30^i		0.75 ± 0.04		−0.17 ± 0.09	0.970	440
		0.11 ± 0.11	0.78 ± 0.05		−0.12 ± 0.10	0.971	222
		(0.30)^g
			0.78 ± 0.04	0.40 ± 0.23	−0.23 ± 0.09	0.973	238
				(0.09)^g
		0.49 ± 0.12	1.00 ± 0.06	1.14 ± 0.26	−0.15 ± 0.07	0.983	255

aUsing data at 25.0^∘C from [24]; 𝑁_T values from [9, 10]; 𝑌_Br values from [6]; 𝑛 is the number of solvents. bWith associated standard error. cAccompanied by standard error of the estimate. dCorrelation coefficient. eF-test value. fAll solvents. gProbability that the contribution to the linear free energy relationship is insignificant. hExcluding 100 EtOH. iIn exactly the same solvents as 1.