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(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide

(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide Structure
(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide structure
CAS No.
1056-57-1
Chemical Name:
(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide
Synonyms
Venoxidine;(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide
CBNumber:
CB22239963
Molecular Formula:
C22H28N2O5
Molecular Weight:
400.46812
MDL Number:
MOL File:
1056-57-1.mol
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(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide Properties

Melting point 218-9°C (dec.).

(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide Chemical Properties,Uses,Production

Description

This alkaloid has been obtained from Alstonia venenata and is laevorotatory with [α]25D - 58.20° (H2O). The ultraviolet spectrum in EtOH has absorption maxima at 224, 268 and 291 mJi. The base forms a hydrochloride, m.p. 26S-6°C (dec.) and an unstable red picrate, m.p. 222-3°C (dec.). Catalytic hydrogenation over PtO2 in MeOH, reduction with Zn in AcOH or with ferrous sulphate yields Venenatine (q.v.), m.p. 130°C (dec.).

References

Govindachari et al., Tetrahedron Lett., 902 (1964)

(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide Preparation Products And Raw materials

Raw materials

Preparation Products

(3β,20α)-17β-Hydroxy-9-methoxy-16β-methoxycarbonylyohimban 4-oxide Venoxidine 1056-57-1