Sterol |
LIPID_ID | ST0127 |
CHEM_NA | (22E,24S)-24-METHYL-5α-CHOLESTA-7,22-DIEN- |
3β-OL |
COMMON_NA | STELLASTEROL |
MOL_FORMULA | C28H46O |
MOL_WT | 398 |
MELT_PT | 159-160゚C (114), ACETATE 181-182゚C (115) |
BOIL_PT |
OPT_ROT | +18゚(114), ACETATE +6.4゚ (115) |
REFRA_IND |
DENSITY |
SOLUBILITY |
UV_SPEC |
IR_SPEC | FREE = 970, 3300-3400cm-1 (114) ACETATE = 967, |
1663cm-1 (115) |
NMR_SPEC | FREE:1H-NMR(CDCl3): 3-CH=3.60(M), 7-CH=5.16(M), |
18-CH3=0.54(S), 19-CH3=0.80(S), 21-CH3=1.01(D), |
22-CH AND 23-CH=5.16(M), 26-CH3=0.84(D), |
27-CH3=0.82(D), 28-CH3=0.91(D) (050) |
MS_SPEC | FREE : |
398[M+](22%),383(8%),365(1%),355(3%),300(13%),299(1 |
0%),271(100%),255(34%),246(25%),231(13%),229(20%),2 |
13(17%) (050) ACETATE: |
440[M+](47%),425(16%),397(9%),380(6%),365(11%),342( |
21%),337(7%),313(100%),288(25%),273(7%),255(64%),25 |
3(14%) |
NOTE_SPEC |
SOURCE | 海綿動物 AXINELLA CANNABINA (050), ヒトデ |
ASTERIAS AMURENSIS(115),A.RUBENS |
(C-24位立体配置不明)(117),ウリ科植物(052/116) |
BIOL_ACTIV |
NOTE |
1998年7月17日 | 305 / 486 ページ |