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33116-33-5

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33116-33-5 Structure

33116-33-5 Structure
IdentificationBack Directory
[Name]

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

33116-33-5
[Synonyms]

NSC 135026
Stephavanine
8β,10β-Epoxy-8-methoxy-2,3-[methylenebis(oxy)]hasubanan-6β,7β-diol 6-(4-hydroxy-3-methoxybenzoate)
Hasubanan-6,7-diol, 8,10-epoxy-8-methoxy-2,3-[methylenebis(oxy)]-, 6-(4-hydroxy-3-methoxybenzoate), (6β,7β,8β,10β)- (9CI)
[Molecular Formula]

C26H27NO9
[MOL File]

33116-33-5.mol
[Molecular Weight]

497.49
Chemical PropertiesBack Directory
[Melting point ]

229-2300 C
[Boiling point ]

702.1±60.0 °C(Predicted)
[density ]

1.55±0.1 g/cm3(Predicted)
[pka]

8.15±0.20(Predicted)
Hazard InformationBack Directory
[Description]

A further Stephania alkaloid, this base occurs in the rhizomes of S. abyssinica Walp. It has [α]32D + 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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