lanthopine

Empirical Formula: C23H25NO4
Molecular Weight: 0

What is lanthopine?

Description

This alkaloid was first obtained by Hesse during the isolation of the minor alka_x0002_loids from opium (Papaver somniferum). It crystallizes in microscopic prisms and, according to Machiguchi who obtained it from a specimen of Japanese opium, it has m.p. 141-5° C. The salts with mineral acids tend to form gels which are difficult to crystallize although the sulphate has been obtained as colourless needles, the acid tartrate as prisms and the platinichloride is a crystalline powder. The base gives a colourless solution with FeCI3 and, when pure, the solution in H2S04 is also colourless. It is only a weak base, possibly phenolic since, after precipitation from solutions of its salts with alkalies, it rediso1ves in excess alkali and may be reprecipitated by the addition of ammonium chloride.

References

Hesse., Annalen, 153, 53 (1870)
Hesse., ibid, Suppl. 8,280 (1872)
Machiguchi.,J. Pharm. Soc., Japan, No. 529, 185 (1926)

Properties of lanthopine

Melting point:

200°C (dec.).

Safety information for lanthopine

Computed Descriptors for lanthopine

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