Table 1.

¹H and ¹³C NMR Data for Berkeleyones A-C, 4, 5, 7(CDCl₃)^a

	berkeleyone A, 4		berkeleyone B, 5		berkeleyone C, 7
no.	δC multd	δH (J in Hz)c	δC, mult.d	δH (J in Hz)c	δC, mult.d	δH (J in Hz)c
1	78.2, CH	3.07, dd (11.3, 4.2)	b178.2, C		177.4, C
2	26.8, CH2	1.50, m	29.7, CH2	α 1.80, m β 1.90, m	29.1, CH2	α 2.00, m β 1.80, m
3	38.4, CH2	α 1.57, m β 0.61, m	33.7, CH2	α 2.25, m β 1.40, m	33.3, CH2	1.6, m
4	37.7, C		43.0, C		40.8, C
5	52.7, CH	0.49, m	43.8, CH	0.85, dd (12.5, 2.0)	41.0, CH	1.00, dd (13.5, 3.4)
6	39.0, CH2	α 1.60, m β 1.90, dd (13.2, 3.0)	41.4, CH2	α 1.70, t (13.2) β 2.00, m	41.2, CH2	α 1.70, m β 2.00, m
7	51.0, C		51.2, C		51.2, C
8	207.9, C		207.4, C		207.5, C
9	79.9, C		80.0, C		80.3, C
10	204.1, C		204.0, C		204.0, C
11	72.5, C		71.8, C		71.8, C
12	47.9, C		45.9, C		46.2, C
13	32.9, CH2	α 2.18, dt (13.7, 3.5) β 2.00, td (13.7, 3.7)	31.2, CH2	α 2.62, bd (17.6, 2.1) β 2.44, dd (17.6, 7.1)	31.1, CH2	α 2.71, bd (18.2) β 2.45, dd (18.2, 6.7)
14	18.2, CH2	α 1.40, m β 1.60, m	123.9, CH	5.70, dd (7.1, 2.1)	125.5, CH	5.59, dd (6.7, 2.3)
15	54.7, CH	0.49, m	144.5, C		142.4, C
16	38.7, C		75.9, C		145.4, C
17	27.8, CH3	0.92, s	35.5, CH3	1.40, s	26.4, CH3	1.81, s
18	15.5, CH3	0.71, s	33.8, CH3	1.36, s	114.9, CH2	4.86, bs 4.60, bs
19	17.2, CH3	1.19, s	15.5, CH3	1.18, s	16.3, CH3	1.22, s
20	168.6, C		168.6, C		168.5, C
21	15.2, CH3	1.36, s	15.0, CH3	1.31, s	15.0, CH3	1.33, s
22	145.6, C		145.4, C		145.7, C
23	112.4, CH2	5.34, bs 4.83, bs	112.4, CH2	5.39, bs 4.87, bs	112.4, CH2	5.39, bs 4.88, bs
24	22.1, CH3	1.44, s	22.4, CH3	1.49, s	22.5, CH3	1.48, s
25	15.8, CH3	0.76, s	21.4, CH3	1.18, s	22.4, CH3	0.93, s
OCH3	52.5, CH3	3.70, s	52.6, CH3	3.71, s	52.6, CH3	3.72, s

^aAll assignments are based on COSY, NOE, HSQC and HMBC experiments.

^bRequired longer D1.

^c300 MHz for ¹H NMR, HMBC

^d75 MHz for ¹³C NMR.