Table 1.

NMR assignments of codinaeopsin in CD₃OD (600MHz), and ¹³C abundance after administration of labeled precursors

position	δC	δH	[1-13C]-acetate enrichmenta	[S-13CH3]-L-Met enrichmenta
1	170.5		3.3
2	137.1
3	199.8		4.1
4	49.6	3.43 (dd, J = 12.4, 7.0 Hz)
5	47.2	1.50 (dd, J = 12.4 Hz)	5.6
6	33.4	1.20 (m)
7	48.3	0.61, 1.49	5.9
8	28.7	1.72 (m)
9	49.9	0.85, 1.41	4.3
10	37.7
11	136.8	5.21 (s)	5.4
12	130.5
13	53.1	2.47 (d, J = 7.0 Hz)	6.0
14	137.3
15	124.5	4.51 (q, J = 6.5 Hz)	5.6
16	13.5	1.29 (3H, d, J = 6.5 Hz)
17	25.4	0.22 (3H, d, J = 6.7 Hz)		46.9
18	23.1	0.82 (3H, d, J = 7.5 Hz)		41.2
19	22.6	0.82 (3H, s)		44.3
20	22.7	1.37 (3H, s)		39.4
21	14.2	1.30 (3H)		43.2
1′	157.0	7.34 (s)
2′	88.5
3′	34.5	3.32 (d), 3.44 (d, J = 14.0 Hz)
4′	109.0
5′	129.3
6′	119.3	7.57 (d, J = 7.8 Hz)
7′	120.2	7.01 (dd, J = 7.5 Hz)
8′	122.3	7.06 (dd, J = 7.5 Hz)
9′	112.4	7.29 (d, J = 8.0 Hz)
10′	137.7
11′	125.4	7.10 (s)