Table 1.

NMR data of ianthelliformisamines D (4) and E (5) in DMSO-d₆.^a

	Ianthelliformisamine D (4)			Ianthelliformisamine E (5)b
position	δC, type	δH, mult. (J in Hz)		δC, type	δH, mult. (J in Hz)
1	134.5, C			134.3, C
2	131.6, CH	7.89, s		131.6, CH	7.89, s
3	118.0, C			118.0, C
4	153.9, C			153.9, C
4-OCH3	60.6, CH3	3.81, s		60.6, CH3	3.82, s
5	118.0, C			118.0, C
6	131.6, CH	7.89, s		131.6, CH	7.89, s
7	135.2, CH	7.33, d (15.8)		135.5, CH	7.36, d (15.8)
8	124.5, CH	6.66, d (15.8)		124.1, CH	6.65, d (15.8)
9	164.4, C			164.9, C
9-NH		8.04, t (5.7)			8.23, t (5.7)
10	36.5, CH2	3.14 dt (5.7, 6.5)		35.9, CH2	3.25 dt (5.7, 6.5)
11	27.0, CH2	1.63, m		26.1, CH2	1.77, m
12	39.7, CH2	3.20, t (7.2)		44.8, CH2	2.92, m
12-NH					8.35, brs
13	46.4, CH2	3.33, m		46.3, CH2	2.92, m
14	17.5, CH2	1.91, m		21.1, CH2	1.79, m
15	30.5, CH2	2.21, t (8.0)		30.4, CH2	2.36, t (7.3)
16	173.9, C			173.6, C
16-OH					c

^aSpectra recorded at 25 °C (800 MHz for ¹H NMR and 200 MHz for ¹³C NMR); ^bisolated as a TFA salt; ^cnot observed.