Table 1.

NMR Spectroscopic data for compound 3 (¹H-NMR: 400 MHz, ¹³C-NMR: 100 MHz).

C/H atom	δC	δH ppm, J (Hz)	HMBC (H→C)
1	41.3
2	49.6	2.63 d (16.7) 2.16 d (16.7)	C-11, C-12
3	200.2
4	126.0	5.87 bs	C-6, C-2
5	165.9
6	78.8
7	132.5	5.98 d (15.6)	C-9, C-5
8	132.4	5.70 dd (15.6, 7.2)	C-6, C-10
9	73.5	4.50 quintet (6.8)	C-1′, C-7
10	21.0	1.28 d (6.2)	C-8
11	22.3	1.03 s	C-2, C-6
12	23.6	1.01 s	C-2, C-6
13	18.4	1.94 d (1.1)	C-6, C-4
Glucose
1′	100.1	4.26 d (7.7)
2′	73.7	3.28-3.36 a
3′	74.9
4′	70.3
5′	76.9
6′	67.1	4.29 dd, (10.9, 1.8) 4.09 dd (10.9, 5.5)

^a Signal patterns are not clear due to overlapping.