Table 1.

¹H (600 MHz) and ¹³C NMR (150 MHz) data of compounds 1, 46, and 47 in DMSO-d₆.

Position	Compound 1		Compound 46		Compound 47
	δ C	δ H mult. (J in Hz)	δ C	δ H mult. (J in Hz)	δ C	δ H mult. (J in Hz)
2	78.2	5.12, d (5.1)	150.9	8.02, s	151.3	8.02, s
3	69.2	3.7, dd (11.1, 5.1)
4	25.6	2.54, m	147.4		147.5
5	152.6		104.7		104.9
6	95.0	5.79, d (2.3)	145.9		146.0
7	157.6
8	94.5	5.87, d (2.3)	152.9	10.19, brs	153.3	10.06, brs
9	153.4			11.22, brs		11.20, brs
10	98.2			6.55, t (5.8)		6.51, t (5.3)
11	34.1	1.29, t (12.8) 2.13, dd (12.8, 4.9)	44.6	3.67, ddd (13.4, 6.4, 4.2) 3.31, m	38.0	4.03, t (6.2)
12	98.8		72.9	4.07, dd (7.6, 4.2)	120.0	5.50, tp (6.2, 1.5)
13	23.4	1.45, s	146.3		139.0
14	48.7	3.17, s	111.2	4.97, dt (2.3, 1.1) 4.82, t (2.3)	66.1	3.81, s
15			18.5	1.72, s	14.1	1.63, s
1′	130.6
2′	114.7	6.69, d (2.1)
3′	144.4
4′	144.4
5′	114.7	6.62, d (8.2)
6′	118.1	6.51, dd (8.2, 2.1)