6896. Ostruthin

Nomenclature

CAS number: 148-83-4
(E)-6-(3,7-Dimethyl-2,6-octadienyl)-7-hydroxy-2H-1-benzopyran-2-one; (E)-6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxycoumarin; 6-(3,7-dimethyl-2,6-octadienyl)umbelliferone.
C19H22O3; mol wt 298.38.
C 76.48%, H 7.43%, O 16.09%.

Description and references

From the root of Peucedanum ostruthium (L.) Koch (Imperatoria ostruthium L.), Umbelliferae: Butenandt, Marten, Ann. 495, 187 (1932); from Eriostemon tomentellus, Rutaceae: Duffield, Jeffries, Aust. J. Chem. 16, 123 (1963). Structure: Sp"ath, Klager, Ber. 67, 859 (1934); Sp"ath, Kainrath, ibid. 70, 2272 (1937).

Chemical structure

Properties

Crystals from alcohol, mp 117-119°. Practically insol in water, petr ether. Sol in chloroform, ethyl acetate, hot alc.

Derivative

Acetate.
C21H24O4; mol wt 340.41.
C 74.09%, H 7.11%, O 18.80%.

Properties

Leaflets from alcohol, mp 81°. Practically insol in water. Sol in alc, ether, benzene, chloroform.