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Sterol

LIPID_IDST0133

CHEM_NA24,25-DIMETHYL-5α-CHOLESTA-7,24(28)-DIEN-3

β-OL

COMMON_NA

MOL_FORMULAC29H48O

MOL_WT412

MELT_PT167-168゚C, ACETATE 145-146゚C (129)

BOIL_PT

OPT_ROT

REFRA_IND

DENSITY

SOLUBILITY

UV_SPEC

IR_SPECACETATE : 795, 822, 890, 1245, 1735cm-1 (129)

NMR_SPECFREE:1H-NMR(CDCl3): 3-CH=3.60(M), 7-CH=5.16(M),

18-CH3=0.55(S), 19-CH3=0.80(S), 21-CH3=0.97(D),

26-CH3=1.06(S), 27-CH3=1.06(S),

28-CH2=4.66(BR.S) AND 4.84(BR.S), 29-CH3=1.06(S)

(129)

MS_SPECFREE :

412[M+](9%),397(14%),314(41%),299(9%),285(5%),271(1

00%),255(13%), 246(11%),231(13%),227(10%) ACETATE

:

454[M+](9%),439(12%),379(4%),356(43%),342(9%),313(1

00%),296(4%),288(6%),281(4%),273(6%),255(14%),253(6

%),227(14%),213(20%) (129)"

NOTE_SPEC

SOURCEアレチウリ(129)

BIOL_ACTIV

NOTE

1998年7月17日370 / 486 ページ