Table 6.

¹H and ¹³C NMR spectral data for compounds 6, 7, and 8

Position	6		7		8
	δH	δC	δH	δC	δH	δC
2	7.5, d(8)	124.6, d	7.3, br d	123.0, d	7.3, br d	130.0, d
3	6.8, br d	113.5, d	5.3, br d	113.5, d	6.7, br d	101.1, d
3a		149.0, s		156.7, s		148.7, s
5	7.9, br d	127.5, d	7.0, br d	123.3, d	7.6, d(5.2)	147.4, d
6	7.3, br d	118.3, d	6.8, br d	118.9, d	6.9, d(5.2)	113.3, d
6a		136.8, s		148.9, s		135.7, s
7	6.8, s	100.5, d	6.8, s	100.6, d	6.8, s	99.7, d
8		156.7, s		156.9, s		153.8, s
9		134.6, s		136.6, s		135.0, s
9a		118.5, s		134.4, s		125.1, s
9b		100.9, s		118.2, s		117.6, s
NCH3	3.9, s	45.2, q	3.9, s	45.1, q	3.9, s	45.3, q
OCH3	3.9, s	56.8, q	3.8, s	56.8, q	3.9, s	56.8, q
1′		161.7, s		161.6, s		42.7, t
2′		117.7, s		118.7, d	3.4, br q	14.1, q
3′	7.9, br d	123.2, d	7.8, s	157.1, s	1.2, t(6.8)	42.3, t
4′	7.0, br t	123.1, d		119.1, d	3.4, br q	13.3, q
5′	7.1, br d	118.4, d	7.0, br d	117.5, d	1.3, t(6.8)
6′		146.6, s	7.0, br d	158.8, s
7′		149.9, s		N

Measured in CDCl₃ at 400 MHz for ¹H and 100 MHz for ¹³C, respectively. J values in Hz.