Table 1. NMR data of 1.

Position	δH (J in Hz)(600 MHz, methanol-d4)	δC (150 MHz, methanol-d4)	δC (150 MHz, acetone-d6/D2O, 9 : 1 v/v)	δCa) (150 MHz, acetone-d6/D2O, 9 : 1 v/v)
1		122.2	121.9	121.8
2	7.19 d (1.9)	115.7	115.5	115.4
3		144.4	143.6	143.6
4		144.1	143.2	143.3
5		150.0	149.5	149.3
6	7.46 d (1.9)	108.0	109.7	109.9
7		169.4	167.8	168.2±0.2
5-OCH3	3.95 s	56.6	56.6	—b)
1′		151.6	151.1	151.0
2′		151.2	150.3	150.6
3′	7.71 d (2.0)	114.9	114.3	114.6
4′		127.3	126.5	126.6
5′	7.60 dd (8.4, 2.0)	124.5	123.8	123.9
6′	6.81 d (8.4)	118.2	117.1	117.7
7′		169.3	167.6	168.2±0.2
2′-OCH3	3.91 s	56.3	56.3	—b)

^a) Lüdemann and Nimz (1974) Makromol. Chem. 175, 2398–2470. ^b) Chemical shifts were not reported.