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6858-85-1

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6858-85-1 Structure

6858-85-1 Structure
IdentificationBack Directory
[Name]

6,7-Didehydro-8β,10β-epoxy-3,4,7-trimethoxy-17-methylhasubanan-8-ol
[CAS]

6858-85-1
[Synonyms]

Prometaphanine
6,7-Didehydro-8β,10β-epoxy-3,4,7-trimethoxy-17-methylhasubanan-8-ol
(10β)-10-Hydroxy-3,4,7-trimethoxy-17-methyl-6,7-didehydrohasubanan-8-one
Hasubanan-8-ol, 6,7-didehydro-8,10-epoxy-3,4,7-trimethoxy-17-methyl-, (8β,10β)- (9CI)
[Molecular Formula]

C20H25NO5
[MDL Number]

MFCD20260959
[MOL File]

6858-85-1.mol
[Molecular Weight]

359.42
Chemical PropertiesBack Directory
[Boiling point ]

544.4±50.0 °C(Predicted)
[density ]

1.35±0.1 g/cm3(Predicted)
[pka]

12.33±0.40(Predicted)
Hazard InformationBack Directory
[Description]

This amorphous alkaloid from Stephania japonica Miers is almost a tautomeric mixture. It yields a crystalline methiodide, m.p. 207°C; [α]20D - 32° (MeOH) which may be used to characterize the base. Three methoxy1 groups, one hydroxyl group and a methylimino group are present in the molecule. When heated with AC20 at 180°C in a sealed tube, the base gives 1-acetoxy-2:S:6- trimethoxyphenanthrene, m.p. 140°C.
[References]

Tomita, Ibuka, Inubushi., Tetrahedron Lett., 3617 (1964)
Tomita, Inubushi, Ibuka., J. Pharm. Soc., Japan, 87, 381 (1967)
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