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Sterol

LIPID_IDST0132

CHEM_NA(22E,24S)-24-ETHYL-5α-CHOLESTA-7,22,25-TRIE

N-3β-OL

COMMON_NA25-DEHYDROCHONDRILLASTEROL

MOL_FORMULAC29H46O

MOL_WT410

MELT_PT157-161゚C (125), ACETATE 175-178゚C (052)

BOIL_PT

OPT_ROT+11.2゚, ACETATE +7.7゚ (125)

REFRA_IND

DENSITY

SOLUBILITY

UV_SPECACETATE : 204nm (ε= 14,200)(125)

IR_SPECFREE : 890, 976, 1645, 3080cm-1 ACETATE : 890,

976, 1645, 1734, 3080cm-1 (125)

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

7-CH=5.16(BR.S), 18-CH3=0.55(S), 19-CH3=0.80(S),

21-CH3=1.02(D), 22-CH=5.22(M), 23-CH=5.22(M),

26-CH3=1.65(S), 27-CH2=4.71(S), 29-CH3=0.83(T)

(106

MS_SPECFREE :

410[M+](31%),395(8%),392(4%),381(5%),300(14%),273(3

0%),272(30%),

271(100%),255(14%),246(10%),231(10%),229(10%)213(1

4%) (106) ACETATE :

452[M+](20%),437(7%),423(9%),392(7%),363(8%),342(20

%),313(100%), 299(8%),288(6%),255(48%),229(17%)

NOTE_SPEC

SOURCEウリ科植物 (052/106/126), MOMORDICA

CHARANTIA(125), ナデシコ目植物 (C-24位

立体配置不明) (066)

BIOL_ACTIV

NOTE

1998年7月17日369 / 486 ページ