Table 1.

¹H NMR (600 MHz) and ¹³C NMR (150 MHz) data of compound 1 (CD₃CN)_.

No.		1
		δH, mult (J in Hz)	δC
1		-	213.2
2		-	56.4
3		2.32, d (10.0)	54.8
4		-	133.2
5		5.25, br s	128.0
6		1.84, m	37.7
7	eq	1.82, m	42.9
	ax	0.75, q (11.9)
8		1.44, m	33.5
9	eq	1.71, m	36.0
	ax	0.83, dq (2.7, 12.6)
10	eq	1.29, dq (12.9, 3.0)	25.8
	ax	1.02, m
11		1.48, ddd (11.8, 10.5, 2.7)	37.9
12		0.88, s	14.2
13		2.67, dd (10.1, 3.4)	57.0
14		4.90, dt (9.3, 3.3)	83.7
15	a	2.70, dd (16.2, 3.1)	50.3
	b	2.52, dd (16.2, 9.4)
16		-	206.8
17		2.09, s	30.8
18		1.76, br s	23.2
19		0.89, d (6.6)	22.5
2′		-	170.2
3′		-	75.3
4′		-	110.3
5′		3.44, dd (7.0, 4.1)	68.3
6′	a	3.86, dd (11.6, 4.1)	60.4
	b	3.79, dd (11.6, 6.4)
7′		2.86, s	29.5