Table 9.

Comparison of the ¹³C NMR resonances of the terminal units in 10 and 15 with those of the corresponding carbons in 2/5 and 4/6^a.

No	2	5	10	10vs2	10vs5	4	6	15	15vs6	15vs4
	δC	δC	avg δC	ΔδC	ΔδC	δC	δC	avg δC	ΔδC	ΔδC
2	84.36	83.75	85.45	1.09	1.70	81.48	80.61	82.66	2.05	1.18
3	68.10	68.29	68.51	0.41	0.22	66.97	67.05	66.92	−0.13	−0.05
4	29.04	28.90	30.17	1.13	1.27	29.90	29.55	30.55	1.00	0.65
5	156.14	156.16	156.30	0.16	0.14	156.56	156.66	156.91	0.25	0.34
6	96.20	96.22	96.56	0.36	0.34	96.12	96.14	96.54	0.40	0.42
7	152.20	152.16	152.2	0.00	0.04	152.24	152.02	152.01	−0.01	−0.23
8	106.60	106.29	106.595	0.00	0.30	107.03	106.75	106.60	−0.15	−0.43
9	151.42	150.79	151.495	0.08	0.71	152.18	151.27	152.40	1.12	0.21
10	102.89	102.58	103.41	0.52	0.83	102.21	101.66	102.19	0.53	−0.02
1’	130.39	130.63	129.74	−0.65	−0.89	131.22	131.33	130.69	−0.64	−0.53
2’	115.56	115.18	116.85	1.29	1.67	115.64	114.91	116.06	1.15	0.42
3’	146.25	146.33	145.67	−0.58	−0.66	145.81	146.16	145.67	−0.49	−0.14
4’	146.70	146.69	146.685	−0.01	0.00	146.08	146.11	146.43	0.32	0.35
5’	116.10	116.14	117.38	1.28	1.24	115.81	115.98	116.56	0.58	0.75
6’	120.64	120.31	120.375	−0.27	0.06	120.18	119.15	121.09	1.94	0.91
ΣΔδC				√4.80	6.97				8.89	√4.46

^aThe ¹³C NMR data (100 MHz) was acquired in CD₃OD with the temperature set as 255 K. ^√With smaller ΣΔδ_C value.