Table 2.

NMR data for compound 1 in DMSO-d₆.

C. no.	13C NMR (126 MHz) δ	[10]
2	156.53	156.3
3	132.93	132.7
4	177.24	177.1
5	161.15	161.2
6	98.89	98.7
7	164.53	164.2
8	93.77	93.7
9	156.40	156.6
10	103.77	103.9
1′	120.64	120.6
2′, 6′	130.85	130.8
3′, 5′	115.17	115.1
4′	160.09	160.1
1″	100.78	98.5
2″	71.94	74.2
3″	77.11	73.7
4″	67.79	70.0
5″	73.89	74.1
6″	62.58	62.8
8‴	166.18	166.1
7‴	113.58	113.6
6‴	144.75	144.7
1‴	124.93	124.9
2‴, 6‴	130.23	130.2
3‴, 5‴	115.77	115.8
4‴	159.86	159.8
Acetyl carbonyl	169.71	169.6
Acetyl methyl	21.10	21.0