Research Article

Two New Cytotoxic Candidaspongiolides from an Indonesian Sponge

Table 2

1H NMR data for compounds 1, 2, and 3 (J in Hz).

C no. 𝟏 1 5 , a 𝟏 a 𝟐 a 𝟑 b

1
23.96 dd (1.0, 7.3)3.96 dd (1.3, 7.5)3.98 dd (1.3, 7.8)3.76 d (2.2)
33.64 dd (1.3, 7.8)3.67 dd (1.3, 8.0)3.67 dd (1.3, 8.4)3.81 dd (2.2, 9.8)
43.12 m3.13 dd (8.0, 7.1)3.10 dq (8.4, 7.3)3.16 dq (9.8, 7.1)
5
63.18 dq (10.7, 7.3)3.22 dq (10.7, 6.8)3.04 dq (9.8, 6.8)3.16 dq (10.0, 7.1)
75.39 d (10.7)5.41 d (10.7)4.12 d (10.0)4.03 d (10.0)
8
95.60 d (9.3)5.62 d (9.6)5.48 d (10.5)5.33 d (9.3)
103.38 dq (9.3, 6.8)3.41 dq (9.6, 7.0)3.49 dq (10.5, 7.1)3.36 dq (9.3, 6.8)
11
122.66 dd (9.8, 16.1)2.69 dd (9.8, 16.1)2.72 dd (9.8, 16.1)2.75 dd (9.5, 17.6)
2.49 dd (2.4, 16.1)2.49 dd (2.5, 16.1)2.51 dd (2.0, 16.1)2.23 dd (2.0, 17.6)
134.40 m4.42 m4.39 dt (2.0, 9.8)4.44 dd (2.9, 9.5)
14
15
164.02 dt (3.9, 10.9)4.03 ddd (3.9, 10.5, 11.5)4.09 dt (3.9, 11.0)4.08 ddd (3.9, 10.8, 11.4)
173.12 m3.13 m3.20 dd (11.0)3.20 d (10.7)
18
192.56 d (9.3)2.59 d (9.3)2.58 d (9.8)2.62 d (9.3)
202.44 m2.47 m2.47 m2.48 m
215.23 dt (1.5, 10.7)5.25 ddd (0.7, 10.2, 10.9)5.24 dt (1.5, 10.5)5.31 m
225.48 dq (10.7, 6.8)5.51 dq (10.9, 6.8)5.49 dq (10.5, 6.8)5.51 dq (10.7, 6.8)
231.59 dd (1.5, 6.8)1.62 dd (1.2, 6.8)1.62 dd (1.5, 6.8)1.62 dd (1.7, 6.8)
241.18 d (6.8)1.21 d (7.1)1.21 d (7.3)1.23 d (7.1)
251.13 d (7.3)1.16 d (6.8)1.28 d (6.8)1.26 d (7.1)
261.54 brd (1.0)1.59 d (0.8)1.63 s1.65 d (1.5)
271.07 d (6.8)1.09 d (7.0)1.10 d (7.1)1.03 d (6.8)
284.44 d (11.7)4.46 d (11.5)4.45 d (11.5)3.75 d (10.5)
4.19 d (11.7)4.22 d (11.5)4.21 d (11.5)3.76 d (10.5)
294.17 dd (3.7, 9.8)4.20 dd (3.7, 10.2)4.24 dd (3.0, 9.5)4.35 dd (3.9, 10.5)
4.10 dd (10.2, 10.9)4.12 dd (10.2, 11.2)4.08 m3.91 dd (10.5, 11.4)
301.38 s1.42 s1.42 s1.35 s
311.11 d (6.4)1.13 d (6.3)1.14 d (6.6)1.11 d (6.6)
323.28 s3.31 s3.30 s3.39 s
33
342.01 s2.04 s
35
362.24 t (7.6)2.27 t (7.6)2.27 t (11.8)
371.53 brs1.59 brs1.25 brs
OH-22.85 d (7.3)2.92 d (7.5)2.99 d (7.8)2.92 d (7.5)
OH-134.71 s

a M easured in CDCl3. b M easured in CD3OD.