Table 1.

¹ H- and ¹³ C-NMR data of lupinalbin A and 2′-hydroxygenistein (in CD ₃ OD)as compared with literature [13, 14]

		Lupinalbin A			2′-Hydroxygenistein
Position		1H (ppm) JH,H(Hz)	13C (ppm)	13C (ppm) [13]	1H (ppm) JH,H(Hz)	13C (ppm)	13C (ppm) [14]
2	C	—	166.22	166.2	7.866	154.78	155.7
3	C	—	98.65	99.5	—	122.24	120.8
4	C	—	180.06	180.0	—	181.59	180.8
4a	C	—	104.47	104.5	—	104.87	104.8
5	C	—	164.04	164.0	—	161.85	162.3
6	CH	6.281 (d 2.2)	100.92	100.9	6.258 (d 2.2)	99.69	99.3
7	C	—	165.32	165.2	—	164.54	164.7
8	CH	6.483 (d 2.2)	95.83	95.8	6.335 (d 2.2)	94.07	94.0
8a	C	—	156.59	156.6	—	158.04	158.1
1′	C	—	115.23	114.7	—	110.51	109.0
2′	C	—	151.95	151.9	—	158.89	156.8
3′	CH	7.007 (d 2.0)	99.51	98.7	6.424 (d 2.0)	104.87	103.0
4′	C	—	157.81	157.8	—	156.29	159.0
5′	CH	6.903 (dd 2.0/8.5)	114.67	115.2	6.412 (dd 2.0/8.5)	108.31	106.6
6′	CH	7.780 (d 8.5)	122.52	122.5	6.955 (d 8.5)	130.91	132.6