Structural Formula Vector Image
Title: Ostruthin
CAS Registry Number: 148-83-4
CAS Name: (E)-6-(3,7-Dimethyl-2,6-octadienyl)-7-hydroxy-2H-1-benzopyran-2-one
Additional Names: (E)-6-(3,7-dimethyl-2,6-octadienyl)-7-hydroxycoumarin; 6-(3,7-dimethyl-2,6-octadienyl)umbelliferone
Molecular Formula: C19H22O3
Molecular Weight: 298.38
Percent Composition: C 76.48%, H 7.43%, O 16.09%
Literature 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: Späth, Klager, Ber. 67, 859 (1934); Späth, Kainrath, ibid. 70, 2272 (1937).
Properties: Crystals from alcohol, mp 117-119°. Practically insol in water, petr ether. Sol in chloroform, ethyl acetate, hot alc.
Melting point: mp 117-119°
Derivative Type: Acetate
Molecular Formula: C21H24O4
Molecular Weight: 340.41
Percent Composition: 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.
Melting point: mp 81°

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