Table 1.

Characteristic ¹H NMR data (δ_H (J in Hz)) for talaumidin (1) and its diastereomers 1a−1g.

Positions	1	1a	1b	1c	1d	1e	1f	1g
6 and 7	1.02 (5.8)	0.67 (7.0)	0.62 (7.3)	1.02 (6.6)	0.61 (7.1)	0.59 (6.1)	0.68 (6.5)	0.65 (6.8)
	1.02 (5.8)	1.04 (6.6)	0.99 (6.2)	1.02 (6.6)	1.00 (6.6)	0.61 (6.1)	0.69 (6.5)	1.04 (6.6)
3 and 4	1.76 (m)	1.75 (m)	2.43 (m)	2.28 (m)	2.42 (m)	2.65 (m)	2.25 (m)	1.74 (m)
	1.76 (m)	2.23 (m)	2.43 (m)	2.28 (m)	2.42 (m)	2.65 (m)	2.25 (m)	2.21 (m)
2 and 5	4.61 (9.1)	4.36 (9.3)	4.63 (9.3)	4.45 (6.4)	4.62 (9.3)	5.09 (6.4)	5.40 (6.0)	4.36 (9.3)
	4.61 (9.1)	5.09 (8.8)	5.43 (4.0)	4.46 (6.7)	5.43 (4.4)	5.09 (6.4)	5.40 (6.0)	5.10 (8.5)