�擪ƒy�[ƒW‚Ö ’¼‘O‚̃y�[ƒW‚Ö ŽŸ‚̃y�[ƒW‚Ö �Å�Iƒy�[ƒW‚Ö

Sterol

LIPID_ID

ST0253

CHEM_NA

7ƒÀ,8-EPOXY-3ƒÀ,11ƒ¿,14-TRIHYDROXY-12-OXO-5

ƒÀ-CARD-20(22)-ENOLIDE

COMMON_NA

SARVEROGENIN

MOL_FORMULA

C23H30O7

MOL_WT

418

MELT_PT

232-234ß(510/511)

BOIL_PT

OPT_ROT

[ƒ¿]15/D=+44.5ß�}2(C=1.1683 IN

METHANOL),[ƒ¿]23/D=+49.5ß(METHANOL)(510)

REFRA_IND

DENSITY

SOLUBILITY

�…,ƒ�ƒ^ƒm�[ƒ‹,ƒNƒ�ƒ�ƒzƒ‹ƒ€‚ɉ—n¡(510)

UV_SPEC

UV MAX : 218, 277.5nm(log ƒÃ=4.2, 1.83)(511)

IR_SPEC

886-777cm-1(7.8-´Îß·¼ 14ƒÀ-ËÄÞÛ·¼Ù)(513)

NMR_SPEC

ƒÂ5.03(C-3),ƒÂ5.63(11ƒÀ-PROTON),ƒÂ3.93,ƒÂ3.43,ƒÂ

3.20,ƒÂ2.83,ƒÂ2.6,ƒÂ1.31, ƒÂ1.13,ƒÂ1.08,ƒÂ1.06.(514)

MS_SPEC

M=418; 400[M-18]; 382[400-18]; 372[400-28(CO?)];

364[382-18]; 354[372-18 –”‚Í382-28(CO)];

339[354-15(CH3)](513)

NOTE_SPEC

SOURCE

�ESTROPHANTHUS SARMENTOSUS ‚ÌŽí¡ (510)

�ES.COURMONTII ‚ÌŽí¡ (515/516)�ES.AMBOENSIS,

S.INTERMEDIUS ‚ÌŽí¡

(511)�ESARVEROSIDE‚̃AƒOƒŠƒRƒ“¡(510)

BIOL_ACTIV

NOTE

1998”N7ŒŽ17“ú

145 / 486 ƒy�[ƒW