Table 2.

¹³C-NMR data of 2 DMSO-d₆ (δ, ppm). 2a,b are related to the two conformers present at 25 °C.

No.	Compounds (Temp. °C)
	2a (25 °C)	2b (25 °C)	2 (80 °C)
C-2	81.6	81.3	81.2
C-3	47.2	47.1	47.2
C-4	196.6	196.5	195.7
C-5	163.5	163.8	162.3
C-6	96.0	96	94.5
C-7	166.4	166.3	165.6
C-8	94.8	94.9	95.7
C-9	162.7	162.5	163.5
C-10	101.2	101.1	101.1
C-1'	127.8	127.9	127.7
C-2'	128.9	128.9	128.2
C-3'	115.5	118.9	114.4
C-4'	157.8	157.6	157.2
C-5'	115.5	118.9	114.4
C-6'	128.9	128.9	128.2
C-2''	82.7	82.7	82.8
C-3''	72.3	71.9	71.9
C-4''	197.4	197.4	196.6
C-5''	161.8	162.2	162.4
C-6''	96.0	95.8	95.4
C-7''	162.1	161.7	164.2
C-8''	94.8	94.9	99.78
C-9''	160.1	159.4	161.6
C-10''	100.1	99.5	100.9
C-1'''	128.1	128.2	127.8
C-2'''	118.9	117.3	114.8
C-3'''	115.1	115.0	114.8
C-4'''	145.8	144.5	144.7
C-5'''	144.9	145.3	144.7
C-6'''	115.3	115.0	114.9