PRODUCT Properties
| Melting point: | 264-265℃ |
| alpha | D18 +137° (chloroform) |
| Boiling point: | 669.7±55.0 °C(Predicted) |
| Density | 1.21±0.1 g/cm3(Predicted) |
Description and Uses
This alkaloid occurs in Taxus canadensis and is an amorphous solid with no definite melting point. It is insoluble in H20, CHC13 or light petroleum and moderately soluble in EtOH, C6H6 or Et20. It yields an amorphous hydrochloride, m.p. 128°C; an amorphous sulphate, m.p. 139°C and a picrate which forms light yellow needles, m.p. 250°C. The alkaloid must not be confused with the nitrogen-free diterpenoid of the same name present in the leaves of Taxus baccata subsp. cuspidata and T. cuspidata Sieb. The latter is O-cinammoyltaxicin II triacetate, C3sH4209, m.p. 265-7°C.
