8β,10β-Epoxy-8-methoxy-2,3-[methylenebis(oxy)]hasubanan-6β,7β-diol 6-(4-hydroxy-3-methoxybenzoate) Chemical Properties

Melting point:

229-2300 C

Boiling point:

702.1±60.0 °C(Predicted)

Density 

1.55±0.1 g/cm3(Predicted)

solubility 

Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.

form 

Powder

pka

8.15±0.20(Predicted)

8β,10β-Epoxy-8-methoxy-2,3-[methylenebis(oxy)]hasubanan-6β,7β-diol 6-(4-hydroxy-3-methoxybenzoate) Usage And Synthesis

Description

A further Stephania alkaloid, this base occurs in the rhizomes of S. abyssinica Walp. It has [α]³²_D + 30° (c 0.90, pyridine) and gives a series if crystalline salts including the hydrochloride, m.p. 2l7-8°C; hydrobromide, m.p. 191-2°C (dec.) and the tria cetyl derivative, m.p. 189-190°C. On hydrolysis, the alkaloid yields 3-methoxy-4-hydroxybenzoic acid.

References

Kupchan et ai., f. A mer. Chern. Soc., 92, 5756 (1970)

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