Table 1.

¹H and ¹³C NMR data for 1 and 4 (in DMSO).

No.	1	δcb	4	δcb
	δH (mult; J in Hz)a		δH (mult; J in Hz) a
2	4.81 (d, 10.45)	82.7	4.91 (d, 10.8)	83.7
3	4.16 (d, 10.6)	72.9	4.42 (d, 10.72)	72.1
4		189.8		198.0
5		162.2		162.9
6	5.93 (s)	95.5	5.91 (d, 1.8)	96.4
7		164.8		167.2
8	6.08 (s)	93.3	5.86 (d, 1.76)	95.4
9		163.7		163.8
10		102.6		100.9
1′		127.5		127.7
2′	6.38 (s)	106.9	6.40 (s)	107.2
3′		145.8		146.1
4′		133.4		133.8
5′		145.8		146.1
6′	6.38 (s)	106.9	6.38 (s)	107.2
—CH3	3.75 (s)	55.8

^a1H NMR measured at 400 MHz.

^b13C NMR measured at 100 MHz [9].