Sterol |
LIPID_ID | ST0122 |
CHEM_NA | 24-METHYLCHOLESTA-5,24-DIEN-3β-OL |
COMMON_NA | 24-METHYLDESMOSTEROL |
MOL_FORMULA | C28H46O |
MOL_WT | 398 |
MELT_PT | 141-142゚C (100), ACETATE 148-149゚C (007) |
BOIL_PT |
OPT_ROT | -46.7゚ (100) |
REFRA_IND |
DENSITY |
SOLUBILITY |
UV_SPEC |
IR_SPEC |
NMR_SPEC | FREE:1H-NMR(CDCl3): 3-CH=3.53(M), |
6-CH=5.35(BR.D), 18-CH3=0.68(S),19-CH3=1.01(S), |
21-CH3=0.96(D), 26-CH3,27-CH3 AND |
28-CH3=1.62(S) AND 1.63(S) (101)" |
MS_SPEC | FREE : |
398[M+](19%),383(11%),365(7%),314(100%),299(38%),2 |
97(14%),282(25%),271(38%),255(7%),253(9%),231(12%), |
229(26%)(101) ACETATE : |
380[M+-HOAc](100%),365(10%),338(2%),296(86%),281( |
23%),272(4%),259(10%),253(20%),228(12%),213(13%) |
NOTE_SPEC |
SOURCE | ナス科植物種子(011),WITHANIA |
SOMNIFERA(ナス科)(061),トウモロコシ(046)(101) |
BIOL_ACTIV |
NOTE |
1998年7月17日 | 303 / 486 ページ |