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Sterol

LIPID_IDST0295

CHEM_NA1,2,3,4,7a,10,11,11a,12,13-DECAHYDRO-14-(1-HYDR

OXYETHYL)-2,11a-DIMETHYL-7H-9,11b-EPOXY-13

a,5a-PROPENOPHENANTHRO[2,1-F][1,4]OXAZEPINE-

9,12(8H)-DIOL;3α,9α-EPOXY-14β,18β-(EPOXYE

THANO-N-METHYLIMINO)-5β-PREGNA-7,16-DIENE

-3β,11α,20α-TRIOL

COMMON_NABATRACHOTOXININ A

MOL_FORMULAC24H35O5N

MOL_WT417

MELT_PT

BOIL_PT

OPT_ROT

REFRA_IND

DENSITY

SOLUBILITY

UV_SPECEND ABSORPTION(625)

IR_SPEC1645cm-1(625)

NMR_SPEC0.85,1.42,2.30,2.66,3.42(-2H),5.5-6.3(-4H)(REFERENC

E TMS δ=0.0,SOLVENT CDCl3);

0.85(19-CH3),1.90(d)(6.5)(21-CH3),2.48(s)(N-CH3),2.

89(s)(18-CH2),3.22(d)(18)(H-11),4.57(q)(6.5)(H-20),5.

72(t)(2)(H-7),

6.24(dd)(2.5,5)(H-16)(TMS,δ=0.0,CDCl3)(626)

MS_SPECM/E ION 399 C24H33NO4,370

C23H32NO3,(342)(C22H32NO3),312 C20H24O3,294

C20H22O2,286 C18H22O3,279 C19H19O2,276

C20H20O,261 C19H17O,224 C16H16O,219

C17H15,(206)? ,184 C13H12O,(166)C10H16NO,88

C4H10NO,71 C4H9N (626)

NOTE_SPEC

SOURCE植物。 Columbian arrow poison frogs(KOKOI

FROG),genus Phyllobates bicolor の皮膚。 (624)

PREPARATIVE

TLCによって,BATRACHOTOXIN,BATRACHOTOXININ

B, Cと分離。(625) PHYLLOBATES

AVROTAENIAの皮膚。(630)

BIOL_ACTIVCARDIOTOXIN。


LD50 I,v,in mice: 1mg/kg(BATRACHOTOXINの 1/10)。


4種の主要な TOXIC STEROIDAL ALKALOIDS

の中で最も毒性が弱い。(625)

NOTE分子量 288.26, Rf=0.54


COLOR REACTIONS

1998年7月17日181 / 486 ページ