Table 1.

NMR data for luminaolide (1) in CD³OD

No.	1Ha	13Cb	HMBC
1		173.79
2	2.50 dd (9.8, 16.2)c	44.00	C1, 3, 4
	2.59m		C1, 3
3	4.07m	65.95
4	1.46m	42.71	C5
	1.85 ddd (3.7, 10,3, 14.1)
5	3.73m	76.16	C5-OMe
5-OMe	3.40s	57.22	C5
6	1.35m	39.90	C5
	1.90 ddd (2.3, 11.5, 13.7)		C7
7	4.45 br d (10.6)	70.82	C6, 8, 9, 11
8	5.67 br d (10.1)	131.07	C7, 10
9	5.83 ddd (2.5, 5.5, 7.8)	125.11	C7
10	1.97m 2H	32.76	C9
11	3.55m	65.50
12	1.64 ddd (1.3, 10.6, 14.2)	37.67
	1.82m		C11
13	3.92 br d (9.7)	77.60	C11, 13-OMe
13-OMe	3.37 s	57.22	C13
14	1.51m	43.82	C14-Me, 15
14-Me	0.82 d (7.4)	9.64	C13, 14, 15
15	3.62m	72.62	C14, 17
16	1.74m	43.34	C17
	1.71m
17	3.81m	68.14
18	1.44m	42.29	C17
	1.95m
19	5.62 br dd (1.4, 10.6)	71.94	C1
20	1.80m	41.69	C21
20-Me	0.98 d (7.8)	17.73	C19, 20
21	2.85 dd (3.2, 7.8)	89.40	C19, 20, 21-OMe, 23
21-OMe	3.44 s	61.89	C21
22	1.74m	35.89
22-Me	0.97 d (7.3)	11.62	C21,22, 23
23	1.35m	25.31
	1.74m
24	2.54m	42.83	C22, 23, 25
	2.59m
25		216.74
25e		216.64
26	2.76 dq (6.9, 9.2)	50.28	C25, 26-Me, 27
26e	2.74	50.31
26-Me	0.95 d (6.9)	13.90	C25, 26, 27
26-Mee	0.94	14.44
27	3.30 dd [2.6, 9.2]d	89.05	C27-OMe
27e		88.97
27-OMe	3.341 s	61.68	C27
27-OMee	3.338 s	61.68
28	2.46m	38.72	C28-Me, 29, 30
28e	2.50	38.94
28-Me	1.17 d (6.9)	19.71	C27, 28, 29
28-Mee		19.61
29	5.19 dd (9.2, 14.2)	113.16	C30
29e	5.26	115.32
30	6.71 d (14.2)	130.50	C28, 29, 30-NMe, CHo
30e	7.10	125.71
30-NMe	3.03 s	27.68	C30, CHO
30-NMee	3.12	33.58
CHO	8.32 s	164.73	C30, 30-NMe
CHOe	8.09	163.36

^a800 MHz.

^b150 MHz.

^cCoupling constants (Hz) are in parentheses.

^dCoupling constants (Hz) based on homo-J-resolved ¹H NMR spectral data are in parentheses.

^eSignal for minor conformer.