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Heteromorphic schisandrin
Heteroclitin D
【Structural formula】
[Molecular formula and molecular weight] C 27 H 30 O 8 ; 482.
[Source] Magnoliaceae plant South Schisandra belongs to Kadsura inrerior AC Smith
【Properties】Light yellow crystals
This product is soluble in chloroform
Melting point: 131~133℃
Optical rotation: [α] D 20 —93.
【Purity Check】
TLC
1.
Eluent petroleum ether (60 ~ 90 ℃) - ethyl acetate (2:1)
Observe under UV light (254nm)
2.
Developing solvent cyclohexane - ethyl acetate (2:1)
Observe under UV light (254nm)
High performance liquid chromatography
Chromatographic column AgilentC 18 , 5um (4.
The mobile phase methanol - acetonitrile - water (10: 48:42), 1.
Detection wavelength 230nm
【Structural identification】220,336,277
2953, 2874, 1714, 1652, 1579, 1488, 1452, 138l, 1209, 106l, 1118
ESI-MS m/z: 483[M+H] + , 382
1 H-NMR (CDCl 3 ) δ: 0.
13 C-NMR (CDCl 3 ) δ: 195(C-1), 150(C-2), 156(C-3), 120(C-4), 147(C-5), 40(C-6 ), 32(C-7), 42(C-8), 78(C-9), 132(C-10), 101(C-11), 144(C-12), 130(C-13) , 129(C-14), 122(C-15), 64(C-16), 22(C-17), 10(C-18), 102(C-19), 78(C-20), 168(C-1'), 128(C-2'), 135(C-3'), 15(C-4'), 20(C-5'), 58(2-OCH 3 ), 59( 3-OCH 3 )
【Storage】Dry and airtight
.
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