Table 2. NMR Data for Crannenols B, C, and D (2, 3, and 4)^a.

	crannenol B (2)		crannenol C (3)		crannenol D (4)
pos	δC,b type	δHc (J in Hz)	δC,b type	δHc (J in Hz)	δC,b type	δHc (J in Hz)
1	63.2, CH2	4.58, s	60.2, CH2	4.71, s	58.5, CH2	4.18, s
2	129.8, C		133.7, C		133.7, C
3	130.5, CH	5.38, t	133.3, CH	5.68, t,(7.5)	133.9, CH	5.64, t (7.5)
4	26.3, CH2	2.17, q (7.99)	26.0, CH2	2.25, q (7.5)	26.0, CH2	2.24, q (7.5)
5	39.5, CH2	2.02, t (7.81)	39.1, CH2	2.06, t	39.1, CH2	2.06, t (7.5)
6	134.9, C		134.5, C		134.6, C
7	122.9, CH	5.12, m	123.3, CH	5.13, t	123.4, CH	5.13, t
8	26.2, CH2	2.87, t (7.27)	26.3, CH2	2.87, t (7.3)	26.3, CH2	2.87, t (7.3)
9	129.5, CH	5.35, t	129.4, CH	5.35, t (7.6)	129.3, CH	5.34, t (7.5)
10	132.0, C		132.2, C		132.2, C
11	133.6, CH	6.81, q (17.4, 10.2)	133.6, CH	6.80, dd (17.4, 10.8)	133.5, CH	6.80, dd (18.2, 10.9)
12	113.5, CH2	5.11, d (10.9)	113.7, CH2	5.11, d (10.9)	113.7, CH2	5.11, d (10.9)
		5.21, d (17.1)		5.22, d (16.7)		5.22, d (17.1)
13	16.0, CH3	1.64, s	16.0, CH3	1.65, s	16.1, CH3	1.64, s
14	19.7, CH3	1.83, s	19.7, CH2	1.82, s	19.7, CH2	1.82, s
15	21.4, CH3	1.75, s	65.9, CH2	4.10, s	67.3, CH2	4.64, s
1′	171.2,d C		171.4, C		171.4, C
2′	21.0, CH3	2.08, s	21.0, CH3	2.08, s	21.0, CH3	2.09, s

^aCDCl₃, ppm, multiplicity determined by HSQC.

^b150 MHz.

^c600 MHz.

^dChemical shift confirmed by HMBC.