4,8-Dimethoxyfuro[2,3-b]quinolin-7-ol

Description

A further Haplophyllum alkaloid, this base occurs in H. perforatum (MB) Kar. et Kir. and in H. robustum Bge. It crystallizes as small colourless needles from MeOH and has been characterized as the crystalline hydrochloride, m.p. 168- 9°C. The base may be isomerized to isohaplopine, which forms colourless rods from MeOH with m.p. 170-2°C.

Definition

ChEBI: Haplopine is an oxacycle, an organonitrogen heterocyclic compound and an organic heterotricyclic compound.

References

Sidyakin, Yunusov, Dokl. Akad. Nauk. Uzbek SSR, 4, 39 (1962)
Fakhritdinova, Sidyakin, Yunusov,Khim.Prir. Soedin., 1, 107 (1965)