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Nuciferine

 Last Update: 2022-06-01
 Source: Internet
 Author: User

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Nuciferine

【Structural formula】

[Molecular formula and molecular weight] C ₁₉ H ₂₁ NO ₂ ; 295.

[Source] Dry leaves of Nelumbo nucifera Gaertn

【Properties】Light yellow crystals

This product is easily soluble in benzene, ether , chloroform , and almost insoluble in water

Melting point: 167～168℃

【Purity Check】

TLC

Developing solvent n-butanol 36% acetic acid - water (1 pixel in horizontal) supernatant

Check under ultraviolet light (254nm, 365nm); check under sunlight after dilute potassium bismuth iodide develops color

Developing solvent n-butanol 36% acetic acid (8:2)

Check under ultraviolet light (254nm, 365nm); after dilute potassium bismuth iodide develops color, check high performance liquid chromatography under sunlight

Phenomenex ODS column, 5um (4.

The mobile phase methanol - 0.

Detection wavelength 270nm

Differential calorimetry

Start temperature 30℃, end temperature 220℃, heating rate 5℃/min

[Structural identification] 271, 228, 209

2958, 2887, 2771, 1594, 1496 (aromatic ring), 1449, 1371, 1241, 1192, 1109, 1002, 981, 764

EI-MS m/z: 295 [M] ⁺ , 294 [MH] ⁺

¹ H-NMR (CDCl ₃ ) δ: 2.

¹³ C-NMR (CDCl ₃ ) δ: 29.

【Storage】Dry and airtight

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