Table 1.

The ¹³C and ¹H NMR data of compound 1 (δ_H and δ_C in ppm)

	1a
No.	δC, type	δH (J in Hz)
1	178.5, C
2	45.6, CH	2.63, m
3	40.8, CH	2.39, m
4	70.7, CH2	4.03, t (8.0)
		3.83, t (8.0)
1’	128.1, C
2’	104.7, CH	6.26, d (2.0)
3’	148.2, C
4’	132.4, C
5’	145.6, C
6’	109.9, CH	6.31, d (2.0)
7’	33.9, CH2	2.74, dd (13.5, 5.5)
		2.69, dd (13.5, 6.5)
OCH3	55.7, CH3	3.71, s
1”	128.9, C
2”	103.8, CH	6.15, d (2.0)
3”	148.4, C
4”	132.6, C
5”	145.7, C
6”	109.2, CH	6.17, d (2.0)
7”	37.2, CH2	2.44, dd (12.5, 9.0)
		2.32, dd (13.0, 5.0)
OCH3	55.7, CH3	3.70, s

^aData were obtained in DMSO-d_6.