Table 2.

NMR spectroscopic data forauranomide C (3) in DMSO-d₆.

Position		δH (J in Hz)	HMBC a
2	155.8, C
4	161.0, C
5	121.0, C
6	126.8, CH	8.19, dd (8.0, 1.0)	4, 8, 10
7	128.8, CH	7.60, t (8.0)	5, 9
8	135.2, CH	7.91, td (8.0, 1.0)	6, 10
9	127.4, CH	7.76, d (8.0)	5, 7
10	145.9, C
11	53.2, CH	4.16, m	2, 12, 13
12	24.1, CH2	2.15, 2.34, m	2, 11, 13, 14
13	30.8, CH2	2.29, m	11, 12, 14
14	173.7, C
15		N-H, 6.76, brs	13, 14
		N-H, 7.26, brs	14
16		N-H, 8.82, d, (7.0)	11, 12, 18
17	130.7, C
18	131.2, C
19	128.9, CH	7.78, dd (8.5, 1.5)	17, 21, 23
20	127.6, CH	7.59, td (8.5, 1.5)	18, 22
21	128.6, CH	7.67, td (8.5, 1.5)	17, 19
22	133.0, CH	7.64, dd (8.5, 1.5)	18, 20
23	166.9, C

^a HMBC correlations, optimized for 8 Hz, are from proton(s) stated to the indicated carbon.