Table 1.

¹H NMR (600 MHz) and ¹³C NMR (150 MHz) data for compounds 1 and 3 in CDCl₃ (δ in ppm, J in Hz)

No.	1		3
	δC	δH	δC	δH
1	133.4, C	–	41.9, CH2	1.65, m
				1.33, m
2	128.0, CH	6.97, s	18.6, CH2	1.62, m
3	128.0, CH	6.97, s	28.1, CH2	2.31, m
				2.16, m
4	132.0, C	–	124.3, C	–
5	134.8, C	–	150.5, C	–
6	23.6, CH2	2.73, dd (14.9, 5.7)	28.9, CH2	3.00, dt (13.4, 2.5)
		2.38, dd (14.9, 9.3)		1.79, tt (13.4, 2.7)
7	38.0, CH	2.63, m	50.9, CH	1.39, m
8	77.1, CH	4.92, td (6.4, 5.1)	23.0, CH2	1.67, m
				1.46, m
9	29.9, CH2	3.22, dd (16.0, 6.4)	39.4, CH2	1.53, m
		2.87, dd (16.0, 5.1)		1.31, m
10	132.1, C	–	35.6, C	–
11	38.3, CH	2.93, dq (9.1, 7.4)	72.7, C	–
12	179.3, C	–	27.1, CH3	1.19, s
13	10.6, CH3	1.28, d (7.4)	27.0, CH3	1.19, s
14	19.4, CH3	2.29, s	24.9, CH3	1.10, s
15	19.3, CH3	2.30, s	171.0, C	–
−OMe	–	–	51.5, CH3	3.70, s