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Isorhynchophylline

 Last Update: 2022-04-06
 Source: Internet
 Author: User

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phase 20

1 10 bleach solution

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Isorhynchophylline

【Structural formula】

[Molecular formula and molecular weight] C ₂₂ H ₂₈ N ₂ O ₄ ; 384.

[Source] Dry stems and branches of Uncaria rhynchoplla (miq.

【Properties】White powder

This product is soluble in chloroform

Melting point: 100～102℃

【Purity Check】

TLC

Eluent methylene chloride - methanol - aqueous ammonia (25: 1: 0.

Check the color development of dilute bismuth potassium iodide test solution, inspect under ultraviolet light (254nm) and sunlight

Eluent petroleum ether (60 ~ 90 ℃) - acetone (6:4)

Check the color development of dilute bismuth potassium iodide test solution, inspect under ultraviolet light (254nm) and sunlight

High performance liquid chromatography

Chromatographic column Agilent C ₁₈ , 5um (4.

Mobile phase methanol-0.

Detection wavelength 246nm

[Structural identification] 243,209

3060,2931,2793,1734,1708,1642,1621,1472,1437,1282,1249,1181,1126,744

ESI-MS m/z: 385[M+H] ⁺

¹ H-NMR (CDCl ₃ ) δ: 2.

¹³ C-NMR (CDCl ₃ ) δ: 182.

【Storage】Dry and airtight
.

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