Table 3.
Compound | Δε Maxima and Minima in the CD Spectra (c 1.6 × 10−6 mol/L, MeOH) |
Optical Rotation | |
---|---|---|---|
(+) | (+)-sclerosporin7 | Δε196 + 11.0a | [α]20 D + 11.4 (c 0.035, MeOH) |
(−) | (−)-sclerosporin5 | Δε214 + 17.0a | [α]20 D − 11.1 (c 0.090, MeOH) |
(1) | (+)-sclerosporin | Δε196 + 10.1, Δε215 − 12.4 | [α]23 D + 14 (c 0.033, MeOH) |
(1) | (+)-sclerosporin | [α]23 D + 57 (c 0.033, CHCl3) | |
(2) | (+)-15-hydroxy | Δε197 + 5.2, Δε214 − 14.8 | [α]23 D + 64 (c 0.033, CHCl3) |
(3) | (+)-12-hydroxy | Δε195 + 6.1, Δε214 − 6.2 | [α]23 D + 69 (c 0.033, CHCl3) |
(4) | (+)-11-hydroxy | Δε198 + 3.2, Δε213 − 16.3 | [α]23 D + 73 (c 0.033, CHCl3) |
(5) | (−)-8-hydroxy | Δε193 + 8.2, Δε215 − 8.0 | [α]23 D − 62 (c 0.033, CHCl3) |
Δε minima for + and − sclerosporin not reported in the literature