Dihydroparsyl alcohol angelate

Dihydroparsyl alcohol angelate

Columbianadin

[Synonyms] Dihydroparcelin , Colombian lactone, Zosimin

【Structural formula】

[Molecular formula and molecular weight] C ₁₉ H ₂₀ O ₅ ; 328.

[Source] Umbelliferae plant Angelica pubescens Maxim.

【Properties】White fine needle-like crystals

This product is easily soluble in methanol , ethyl acetate , chloroform , acetone , and ether

Melting point: 118～119℃

【Purity Check】

TLC

1.

Eluent petroleum ether (60 ~ 90 ℃) - ethyl acetate (7:3)

Observe under 366nm UV lamp

2.

Developing solvent chloroform - acetone (8: 0.

Observe under 366nm UV lamp

High performance liquid chromatography

Chromatographic column Diamonsil TM C ₁₈ column, 5um (4.

The mobile phase methanol -0.

Measurement wavelength 327nm

[Structural identification] 326, 260, 250

1725, 1618, 1575, 1275, 1130, 1110, 830 [²

EI-MS m/z: 351[M+Na] ⁺

¹ H-NMR (CDCl ₃ ) δ: 1.

¹³ C-NMR (CDCl ₃ ) δ: 164.

【Storage】Dry and airtight
.

Related link: asterone