(3β,20α)-17β-ヒドロキシ-9-メトキシ-16β-メトキシカルボニルヨヒンバン4-オキシド 化学特性,用途語,生産方法
説明
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.).
参考文献
Govindachari et al., Tetrahedron Lett., 902 (1964)
(3β,20α)-17β-ヒドロキシ-9-メトキシ-16β-メトキシカルボニルヨヒンバン4-オキシド 上流と下流の製品情報
原材料
準備製品