(16R)-18,19-Didehydro-17-hydroxycorynan-16-carboxylic acid methyl ester

(16R)-18,19-Didehydro-17-hydroxycorynan-16-carboxylic acid methyl ester Chemische Eigenschaften,Einsatz,Produktion Methoden

• Beschreibung

  One of the numerous alkaloids isolated from Vinca species, this base occurs in V. rosea L. and forms colourless crystals from MeOH. It is laevorotatory with[α]²⁶_D - 58° (MeOH) and when crystallized from Me₂CO forms crystals containing solvent of crystallization, m.p. 181°C. The ultraviolet spectrum in MeOH has absorption maxima at 226, 282 and 290 mf.1. The alkaloid contains a primary alcoholic group and an imino group and yields the hemisulphate, m.p. 239- 241°C (dec.); the picrate, m.p. 226-8°C (dec.) and the O-acetate, m.p. 198°C;[α]²⁶_D- 26° (MeOH).

• Einzelnachweise

  Svoboda et al., J. Pharm. Sci., 50,409 (1961)
  Kutney, Brown., Tetrahedron Lett., 1815 (1963)

(16R)-18,19-Didehydro-17-hydroxycorynan-16-carboxylic acid methyl ester Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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