Table 2.

¹³C NMR (100 MHz, CDCl₃) data for compounds 1–5.

Positions	1	2	3	4	5
1	134.0 s	130.0 s	131.0 s	131.8 s	130.6 s
2	106.7 d	110.4 d	102.9 d	104.1 d	102.7 d
3	147.5 s	148.8 s	146.8 s	146.9 s	146.9 s
4	146.4 s	148.7 s	133.8 s	134.3 s	133.8 s
5	107.9 d	110.8 d	146.8 s	146.9 s	146.9 s
6	119.1 d	119.6 d	102.9 d	104.1 d	102.7 d
7	72.9 d	77.2 d	73.7 d	79.4 d	73.4 d
8	82.4 d	80.4 d	82.2 d	86.6 d	83.1 d
9	12.7 q	14.8 q	13.3 q	17.6 q	12.7 q
1′	133.8 s	138.6 s	145.5 s	135.3 s	137.8 s
2′	153.6 s	153.8 s	151.3 s	152.7 s	154.0 s
3′	102.9 d	105.7 d	109.2 d	105.5 d	105.6 d
4′	134.1 s	129.5 s	133.5 s	135.9 s	129.9 s
5′	102.9 d	105.7 d	118.9 d	105.5 d	105.6 d
6′	153.6 s	153.8 s	119.5 d	152.7 s	154.0 s
7′	130.8 d	152.7 d	130.4 d	40.2 t	152.3 d
8′	125.7 d	127.9 d	124.9 d	137.0 d	128.2 d
9′	18.4 q	193.4 d	18.3 q	116.2 t	193.3 d
OCH2O	100.8 t
COCH3		170.1 s
		21.2 q
2′-OMe	56.1 q	56.1 q	55.7 q	56.0 q	56.33 q
6′-OMe	56.1 q	56.1 q		56.0 q	56.33 q
3-OMe		55.91 q	56.2 q	56.3 q	56.29 q
4-OMe		55.89 q
5-OMe			56.2 q	56.3 q	56.29 q

C-multiplicities were established by a HSQC experiment. s: C; d: CH; t: CH₂; q: CH₃.