Table 1.

NMR data of compounds 1, 2 (¹H: 600 MHz, ¹³C: 150 MHz), δ in ppm ^a.

Position	1		Position	2
	δ c	δH, (J in Hz)		δ c	δH, (J in Hz)
2	157.2		2	158.1
3	133.4		3	135.1
4	177.5		4	179.1
5	161.2		5	163.1
6	98.8	6.19, d (2.0)	6	99.7	6.16, d (1.4)
7	164.4		7	165.7
8	93.8	6.40, d (2.0)	8	94.5	6.33, d (1.4)
9	156.5		9	158.3
10	104.0		10	105.8
1′	120.3		1′	123.1
2′	130.6	7.78, d (8.8)	2′	117.2	7.64, d (1.6)
3′	115.5	6.75, d (8.8)	3′	145.9
4′	160.2		4′	149.7
5′	115.5	6.75, d (8.8)	5′	116.2	6.78, d (8.5)
6′	130.6	7.78, d (8.8)	6′	123.0	7.49, dd (8.5, 1.6)
1″ (Rha)	97.7	5.63, br.s	1″ (Gal)	101.2	5.68, d (7.9)
2″	75.2	4.41, d (5.8)	2″	74.6	5.44, t-like
3″	77.8	3.83, dd (5.8, 7.5)	3″	73.5	3.82, dd (3.3, 9.9)
4″	68.1	3.02 m	4″	70.5	3.92, d (3.2)
5″	72.3	2.92 m	5″	77.5	3.59, t-like
6″	16.5	0.66, d (6.2)	6″	62.1	3.68, m
1‴	108.2		1‴ (galloyl)	168.2
2‴	26.2	1.28 s	2‴	121.6
3‴	27.9	1.35 s	3‴, 7‴	110.6	7.13, s
–	–	–	4‴, 6‴	146.3
–	–	–	5‴	139.8

^a Compound 1 was measured in DMSO-d₆, 2 was measured in CD₃OD.