Table 3.

NMR data of 13-hydroxy dechlorofontonamide (3) in CDCl₃

Position	δC, mult.a	δH	mult. (J in Hz)b	COSYb	HMBCb	NOESYb
1		11.67	s	2		2
2	159.9, CH	8.47	s	1	8	1
3	188.9, C
4	153.7, C
5	118.8, CH	7.19	d (8.2)	6	7, 9, 16	17
6	135.3, CH	7.51	t (8.2)	5, 7	4, 8	5
7	119.3, CH	8.59	d (8.2)	6	5
8	140.8, C
9	117.7, C
10	133.6, C
11	144.5, CH	7.10	d (2.4)	15	3, 10, 13, 15, 20	19
12	44.0, C
13	64.8, CH	4.05	dd (12.8, 3.4)	14eq, 14ax	14, 15, 19, 20	14eq, 15, 20
13-OH		1.54	s
14eq	30.8, CH2	2.32	ddd (12.8, 6.0, 3.4)	13, 14ax, 15	10, 12, 13	13, 15, 17
14ax		2.09	q (12.8)	13, 14eq, 15	12, 13, 16	18, 19
15	44.2, CH	2.82	ddd (12.8, 6.0, 2.4)	14eq, 14ax	11, 14, 16, 18	13, 17
16	37.8, C
17	24.2, CH3	1.44	s		4, 15, 16, 18	5
18	25.4, CH3	1.04	s		4, 15, 16, 17
19	19.9, CH3	1.35	s		11, 12, 13, 20	11, 20, 21Z
20	142.9, CH	5.92	dd (17.4, 10.7)	21E, 21Z	11, 12, 13, 19	19
21E	115.1, CH2	5.20	d (10.7)	20	12, 13 c
21Z		5.18	d (17.4)	20	12, 20	19

^aChemical shifts determined from gHSQC and gHMBC experiments recorded at 600 MHz.

^bRecorded at 600 MHz.

^cA four-bond correlation resulting from “W” configuration.