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Ring dimension boxwood D
Cyclovirobuxine
【Structural formula】
[Molecular formula and molecular weight] C 26 H 46 N 2 O; 402.
[Source] Buzus microph ylla Sieb.
【Properties】Colorless needle-like crystals
This product is soluble in chloroform , methanol , ethanol
Melting point: 217.
【Purity Check】
TLC
1.
Developing solvent ethyl acetate - methanol - conc.
Check the color development of dilute bismuth potassium iodide, inspect under sunlight
2.
Developing solvent of chloroform - acetone - diethylamine (5: 4: 0.
Check the color development of dilute bismuth potassium iodide, inspect under sunlight
High performance liquid chromatography
Chromatographic column AgilentSB C 18 , 10um (4.
Mobile phase acetonitrile-10mmol potassium dihydrogen phosphate (5% phosphoric acid adjusted to pH 7.
Detection wavelength 203nm
[Structural identification] 202nm
3307(-OH), 2939(-CH), 1491, 1450, 1346, 1153, 1093, 1034, 773, 710
EI-MS m/z: 402[M]+
1 H-NMR (CD 3 OD) δ: 0.
13 C-NMR (CD 3 OD) δ: 31.
7(C-1), 32.
6(C-2), 68.
6(C-3), 39.
9(C-4), 47.
3(C-5), 21.
3(C- 6), 26.
9(C-7), 48.
5(C-8), 19.
4(C-9), 26.
2(C-10), 25.
8(C-11), 32.
6(C-12), 44.
7(C-13) ), 47.
3(C-14), 45.
1(C-15), 78.
7(C-16), 62.
5(C-17), 18.
6(C-18), 30.
3(C-19), 44.
7(C-20) , 15.
0(C-21), 25.
7(C-22), 19.
2(C-23), 58.
9(C-24), 18.
6(C-25), 39.
9(C-26)
.
【Storage】Dry and airtight
.
Related link: Uridine
