Ostruthol
Title: Ostruthol
CAS Registry Number: 642-08-0
CAS Name: (2Z)-2-Methyl-2-butenoic acid (1R)-2-hydroxy-2-methyl-1-[[(7-oxo-7H-furo[3,2-g][1]benzopyran-4-yl)oxy]methyl]propyl ester
Molecular Formula: C21H22O7
Molecular Weight: 386.40
Percent Composition: C 65.28%, H 5.74%, O 28.98%
Literature References: From rhizome of Peucedanum ostruthium L. Koch (Imperatoria ostruthium L.), Umbelliferae: Herzog, Koch, Arch. Pharm. 247, 553 (1909). Structure: Späth, Christiani, Ber. 66, 1150 (1933). Synthesis: Chatterjee, Dutta, Sci. Cult. 34, 460 (1968).
Properties: Silky needles from benzene, mp 136-137°. [a]D15 -18.3° (pyridine). Slightly sol in water or in ether; sol in hot alcohol, benzene, toluene, pyridine.
Melting point: mp 136-137°
Optical Rotation: [a]D15 -18.3° (pyridine)

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