Table 1.

¹H- and ¹³C-NMR (500 and 125 MHz, CDCl₃) data of 1 ^a.

No.	δC	δH mult., J in Hz	No.	δC	δH mult., J in Hz
1	37.3	α 1.86, m	13	42.5	–
		β 1.08, m	14	56.9	1.04, m
2	31.7	α 1.84, m	15	24.3	α 1.57, m
		β 1.50, m			β 1.07, m
3	71.8	3.52, m	16	28.2	α 1.83, m
4	42.3	α 2.28, m			β 1.30, m
		β 2.23, m	17	56.8	1.01, m
5	140.7	–	18	12.0	0.73, s
6	121.7	5.35, t (2.5)	19	19.4	1.00, s
7	31.9	α 1.50, m	20	32.5	1.66, m
		β 1.97, m	21	18.7	0.95, d (5.9)
8	31.9	1.50, m	22	42.5	α 0.92, m
					β 1.68, m
9	50.1	0.93, m	23	74.8	3.94, dt (9.3, 3.1)
10	36.5	–	24	127.0	5.03, td (9.0, 2.6, 1.3)
11	21.1	α 1.43, m	25	134.5	–
		β 1.49, m	26	18.2	1.67, d (1.0)
12	39.8	α 1.16, m	27	25.9	1.74, d (1.1)
		β 2.03, m	23-OCH3	55.7	3.21, s

^a Assignments based on DEPTs and HSQC.