Table 2.

¹H (700 MHz) and ¹³C (175 MHz) NMR data of compounds 4–6 (DMSO-d₆, δ in ppm).

Position	4		5		6
	δC, Type	δH, (J in Hz)	δC, Type a	δH, (J in Hz)	δC, Type	δH, (J in Hz)
2	144.8, C		144.8, C		146.0, C
4	125.5, C		130.5, C		125.5, C
5	125.6, C		125.7, C		125.5, C
6	23.9, CH2	2.53, t (7.9)	23.8, CH2	2.55, m	16.1, CH2	2.67, q (7.6)
7	20.7, CH2	1.40, m	20.4, CH2	1.43, m	11.8, CH3	1.02, t (7.6)
8	13.4, CH3	0.89, t (7.2)	13.1, CH3	0.90, t (7.2)	7.9, CH3	2.11, s
9	7.9, CH3	2.10 or 2.11, s	15.1, CH2	2.57, q (7.6)	7.9, CH3	2.11, s
10	7.9, CH3	2.10 or 2.11, s	13.3, CH3	1.07, td (7.5, 1.9)
11			7.6, CH3	2.10, d (1.5)
1′	136.9, C		136.8, C		136.9, C
2′	129.0, CH	7.19, d (7.2)	128.7, CH	7.20 or 7.17, d (7.1)	129.0, CH	7.19, d (7.1)
3′	128.6, CH	7.33, t (7.3)	128.4, CH	7.33, m	128.6, CH	7.33, t (7.3)
4′	127.0, CH	7.28, t (7.2)	126.8, CH	7.29, m	127.0, CH	7.28, t (7.3)
5′	128.6, CH	7.33, t (7.3)	128.4, CH	7.33, m	128.6, CH	7.33, t (7.3)
6′	129.0, CH	7.19, d (7.2)	128.7, CH	7.20 or 7.17, d (7.1)	129.0, CH	7.19, d (7.1)
7′	35.0, CH2	2.93, t (7.0)	35.2, CH2	2.93, m	35.0, CH2	2.95, t (7.3)
8′	46.0, CH2	4.28, t (7.0)	45.6, CH2	4.29, m	45.9, CH2	4.28, t (7.3)
1″	126.5, C		126.4, C		136.9, C
2″	129.9, CH	6.92, d (8.1)	129.6, CH	6.93 or 6.90, d (8.2)	129.0, CH	7.19, d (7.1)
3″	115.4, CH	6.70, d (8.1)	115.2, CH	6.71 or 6.70, d (8.4)	128.6, CH	7.33, t (7.3)
4″	156.8, C		156.7, C		127.0, CH	7.28, t (7.3)
5″	115.4, CH	6.70, d (8.1)	115.2, CH	6.71 or 6.70, d (8.4)	128.6, CH	7.33, t (7.3)
6″	129.9, CH	6.92, d (8.1)	129.6, CH	6.93 or 6.90, d (8.2)	129.0, CH	7.19, d (7.1)
7″	34.2, CH2	2.81, t (6.8)	34.3, CH2	2.81, m	35.0, CH2	2.95, t (7.3)
8″	46.4, CH2	4.21, t (6.9)	46.0, CH2	4.21, m	45.9, CH2	4.28, t (7.3)

^a Deduced from HSQC and HMBC spectra.