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Polycyclic compound

LIPID_IDPY0005

CHEM_NA2,3,6A,9A,-TETRAHYDRO-4-METHOXYCYCLOPENT

A[C]FURO[3',2':4,5]FURO[2,3-H][1]BENZOPYRAN-1,1

1-DIONE

COMMON_NAAFLATOXIN B1, AFLATOXIN FB1, AFLATOXIN B

MOL_FORMULAC17H12O6

MOL_WT312

MELT_PT268-269ßC DEC. (005/007/027/109/110)

BOIL_PT

OPT_ROT[ƒ¿]25/D=-562ß(C,0.115 in CHCl3),

[ƒ¿]/D=-558ß(C,0.1 in CHCl3), [ƒ¿]/D=-420ß(C,0.1 in

DMF)(005/109/007/110)

REFRA_IND

DENSITY

SOLUBILITY

UV_SPECƒÉmax(EtOH) 223, 265, 362nm (ƒÃ=25600, 13400,

21800) (005/009/027)

IR_SPECƒËmax 3100, 1067, 722 cm-1(VINYLS ETHER

GROUP) ƒËCHCl3/max 1760, 1665, 1630,

1600cm-1, ƒËCHCl3/max 1760, 1684, 1632, 1598,

1562cm-1 (005/007/008)

NMR_SPEC1H-NMR 6.89(d,J=7Hz,1H), 6.52(t,J=2.5Hz,1H),

5.53(t,J=2.5Hz), 4.81(t of d,J=2.5 AND

7Hz,1H)13C-NMR 154.7, 117.0, 200.6, 35.0, 29.0,

176.5, 103.7, 161.0, 90.6, 165.3, 107.5, 152.5, 113.2,

47.8, 102.3, 114.8, 56.4(OCH3) (009/017)

MS_SPECM/Z 312[M]-, 311[M-H]-, 297[M-CH3]-

(007/008/045)

NOTE_SPEC

SOURCEŽq”X‹Û–å, ƒqƒzƒ~ƒPƒXj, ‘p¶•sŠ®‘S‹Û–Ú‚Ì Aspergillus

Flavus ‚Æ Aspergillu parasiticus ‚©‚ç’P—£

BIOL_ACTIV‚”­ƒKƒ“«Turkey X•a‚ÌŒ´ˆö‚̓őf

NOTEÂFŒuŒõŒ‹»B‚»‚Ì‘¼‚Ì•¶Œ£ :

006/010/011/013/014/015/016/017/018/019/020

/021/028/029/030/032/035/036/038/039/

1998”N7ŒŽ17“ú15 / 35 ƒy[ƒW