Table 1.

NMR Data of 1 (DMSO-d₆) and 2 (MeOD-d₄), Measured at 400 MHz (¹H) and 100 MHz (¹³C), δ in ppm, J in Hz..

no.	1				2
	δH	δC	HMBC	NOESY	δH	δC	HMBC	NOESY
1		171.0	H9, H3β		5.31 d (4.8)	96..5	H1′, H3, H9	H8
3a	4.28 dd (10.4, 5.5)	69.5		H4, H5, H3α	7.28 s	153.1	H1, H5
3b	4.07 dd (10.4, 8.4)			H3β
4	1.95 m	43.3	H3α, H3β	H5, H3β		106.3	H3, H5
5	2.89 ddd (5.1, 10.8, 15.6)	42.9	H9	H4, H6, H9	3.29 d (7.2)	43.8	H1, H3	H7β, H9, H10
6	3.99 m	81.5	H1′, H9	H5, H7β, H9		215.9
7a	2.16 dd (5.5, 12.5)	42.7	H10	H6	2.42 dd (8.4, 18.7)	44.6	H10	H8
7b	1.36 ddd (3.1, 12.5, 14.9)			H6	1.89 dd (7.7, 18.7)			H8, H10
8	1.86 m	33.7	H10	H12, H7α	2.23 m	30.7	H1, H5, H7α,β, H-10	H1, H7α, H10
9	4.23 dd (3.9, 10.4)	45.1	H5	H5	2.14 ddd (4.8, 7.0, 11.9)	46.6	H5, H7α,β, H8, H10	H5, H7α
10	1.02 d (6.4)	18.6		H7β, H8	1.14 d (6.7)	20.0	H7α,β, H8, H9	H5, H7α,β, H8
11		169.1	H12			168.6	H3, H12
1′	3.97 d (7.5)	104.6	H2′	H2′	4.78 d (8.5)	98.6	H1, H2′
2′	2.95 dd (8.4, 16.2)	73.7		H1′, H3′	4.72 m	74.4	H3′
3′	3.09 dd (8.2, 16.9)	76.2	H2′	H2′	3.48 dd (4.8, 17.8)	76.0	H2′
4′	3.01 dd (9.4, 16.9)	70.0	H3′	H6′	3.30 dd (1.5, 5.5)	71.8	H3′
5′	3.03 dd (8.7, 16.9)	76.9	H4′	H6′, H1′	3.30 dd (1.5, 5.5)	78.7	H1′, H6′α, H4′
6a′	3.63 d (12.0)	61.0			3.87 d (11.8)	62.8	H5′
6b′	3.41 dd (5.0, 11.6)				3.61 dd (4.3, 10.4)
α					5.65 d (12.8)	116.4		Hβ
β					6.79 d (12.8)	145.8	H2″, Hα	Hα
1″					7.61 d (8.7)	127.7	H3″, H5″, Hα
2″					6.68 d (8.7)	134.2	H6″, H β	H3″
3″						115.9	H2″, H5″	H2″
4″						160.3	H2″, H3″, H6″
5″					6.68 d (8.7)	115.9	H3″, H6″	H6″
6″					7.61 d (8.7)	134.2	H3″, Hβ	H5″
O	3.62 s				3.48 s	52.0
Me-CO						167.0	H2′, Hα,β