protostephanine
|
|
protostephanine Eigenschaften
- Schmelzpunkt:
- 84-86° (Pecherer); mp 75° (Kondo)
- Siedepunkt:
- 518.5±50.0 °C(Predicted)
- Dichte
- 1.095±0.06 g/cm3(Predicted)
- pka
- 8.75±0.20(Predicted)
Sicherheit
protostephanine Chemische Eigenschaften,Einsatz,Produktion Methoden
Beschreibung
A Stephania alkaloid, this base is found in S. japonica Miers. It forms colourless prisms from MeOH which contain solvent of crystallization, m.p. 75°C. The solvent may be removed under vacuum when the dry alkaloid has a higher melting point of 90-S°C. It is optically inactive and yields crystalline saits, e.g. the hydrochloride, m.p. 150°C (dec.); platinichloride, orange prisms, m.p. 223°C (dec.); methiodide, m.p. 220-loC and the methomethylsulphate, m.p. 235°C after sintering at 227°C. The structure has recently been confirmed by a synthesis which follows a route related to the biosynthetic pathway.Einzelnachweise
Kondo, Watanabe., J. Pharrn. Soc., Japan, 58,46 (1938)Kondo, Takeda., Chern. Abstr., 49, 1076 (1955)
Synthesis: Battersby et al., Chern. Cornrnun., 20, 1214 (1968)
protostephanine Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
protostephanine Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 0)Lieferanten
Firmenname | Telefon | Land | Produktkatalog | Edge Rate |
---|
- protostephanine
- 6,7,8,9-Tetrahydro-2,3,10,12-tetramethoxy-7-methyl-5H-dibenz[d,f]azonine
- 5H-Dibenz[d,f]azonine, 6,7,8,9-tetrahydro-2,3,10,12-tetramethoxy-7-methyl-
- 549-28-0