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alpha-germanone
α-Cyperone
【Structural formula】
[Molecular formula and molecular weight] C 15 H 22 O; 218.
[Source] Synthesis
【Properties】Yellow liquid
This product is soluble in methanol , ethanol , ethyl acetate and chloroform
Refractive index (20°C): 1.
【Purity Check】
TLC
1.
Eluent, dichloromethane - ethyl acetate - acetic acid (80:1:1)
Inspection of 2,4-dinitrophenylhydrazine solution, observation under sunlight and ultraviolet light (254nm)
2.
Developing agent toluene-ethyl acetate (19:1)
Inspection of 2,4-dinitrophenylhydrazine solution, observation under sunlight and ultraviolet light (254nm)
Gas chromatography
Column AB-INNOWAX capillary column, 0.
Column temperature: starting temperature 60℃, ending temperature 180℃, heating rate 8℃/min
【Structural identification】249
2929, 2862, 1668, 1612, 1453, 1376, 1351, 1200, 1084, 1019, 888
EI-MS m/z: 219[M+H] +
1 H-NMR (CDCl 3 ) δ: 4.
13 C-NMR (CDCl 3 ) δ: 37.
【Storage】Dry and airtight