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Sterol

LIPID_IDST0122

CHEM_NA24-METHYLCHOLESTA-5,24-DIEN-3β-OL

COMMON_NA24-METHYLDESMOSTEROL

MOL_FORMULAC28H46O

MOL_WT398

MELT_PT141-142゚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_SPECFREE: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_SPECFREE :

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