Table 1.

NMR Spectra of Compounds 1–2 [600 and 160 MHz, DMSO- d₆, δ (ppm), J in Hz].

Atom	Compound 1		Compound 2
	1H	13C	1H	13C
1		111.13		111.62
2		141.40		141.23
3		140.71		140.26
4		152.57		152.23
5	7.74	111.66	7.73	111.42
6		111.83		112.11
7		158.42		158.52
1′		112.43		111.65
2′		141.42		141.25
3′		140.15		140.23
4′		153.73		152.22
5′	7.51	107.44	7.61	111.45
6′		113.20		112.12
7′		158.31		158.63
3-OMe	4.08	60.63	4.19	61.53
3'-OMe	4.03	61.22	4.14	61.26
4-OMe	3.98	56.65	4.04	56.51
4'--Xyl	5.16 (J = 7)