Table 3.

¹H and¹³C NMR^a data for lepadin K (3) (TFA salt, CDCl₃, 23˚ C)

Position	1H (mult, J)a	13C (mult)b	COSY	HMBC
1	8.22, brs		2, 8a
2	3.35, m	53.1 (CH)	1
3	5.04, m	67.2 (CH)	2, 4	4a
4	2.24, m; 1.89, m	25.8 (CH2)	4a	2, 3, 8a
4a	1.58, m	41.1 (CH)	4, 5, 8a
5	2.24	39.9 (CH)	4a, 6
6	2.05, m; 1.10, m	28.9 (CH2)	5
7	1.77, m; 1.47, m	19.3 (CH2)	8
8	2.13, m; 1.92, m	29.3 (CH2)	7	4a
8a	3.68, m	59.3 (CH)	4a
9	1.28, m	14.6 (CH3)	2
1”		164.3 (C)
2”	5.72, d (14.9)	111.3 (CH)	3”	1”
3”	8.00, dd (14.9)	149.5 (CH)	2”	1”, 2”, 5”
4”
5”	2.32, s	13.6 (CH3)
1’	1.47, m; 0.96, m	33.0 (CH2)
2’	1.31, m; 1.20, m	27.9 (CH2)
3’	1.24, mc	29.3 (CH2)c
4’	1.24, mc	29.3 (CH2)c
5’	1.38, m; 1.27, mc	25.2 (CH2)c
6’	1.40, m	37.1 (CH2)	7’
7’	3.57, m	71.2 (CH)	6’, 8’
8’	1.41, m	39.3 (CH2)	7’
9’	1.43, m; 1.33, m	18.5 (CH2)	10’
10’	0.91, t (6.7)	13.6 (CH3)	9’	8’, 9’

^a. 600 MHz.

^b, 150 MHz, multiplicities assigned by edited HSQC.

^c, interchangeable assignments.