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Chelerythrine ethoxylate

 Last Update: 2022-06-03
 Source: Internet
 Author: User

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Chelerythrine ethoxylate

Ethoxychelerythrine

[Molecular formula and molecular weight] C ₂₃ H ₂₃ NO ₅ ; 393.

【Structural formula】

[Source] The dry root of Zanthoxylum nitidum (Roxb.

【Properties】White powdery crystals

This product is easily soluble in methanol and ethanol

Melting point: 207～208℃

【Purity Check】

TLC

Developing solvent chloroform - methanol (25:1)

Check under UV light (365nm)

Developing solvent cyclohexane - ethyl acetate (2: 1), concentrated ammonia was 10 minutes presaturation

Check daylight, ultraviolet light (365nm) and dilute bismuth potassium iodide test solution after color development and inspection under sunlight

High performance liquid chromatography

Chromatographic column Phenomenex C ₈ , 5um (4.

Mobile phase acetonitrile 0.

Detection wavelength 273nm

【Structural identification】227,282,319

2979, 2902, 2829, 1603, 1574, 1495, 1464, 1275, 1240, 1072, 1034, 939, 862

ESI-MS m/z: 394[M+H] ⁺ , 348[M—OCH ₂ CH ₃ ] ⁺

¹ H-NMR (CDCl ₃ ) δ: 1.

¹³ C-NMR (CDCl ₃ ) δ: 104.

【Storage】Dry and airtight

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