LBF18107EO01

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Upper classes



LBF18107EO01.png
Structural Information
Systematic Name 9,10-Epoxy-13-Hydroxy-11-Octadecenoic Acid/9,10-Epoxy-13-Hydroxy-11-Octadecenoate
Common Name
Symbol
Formula C18H32O4
Exact Mass 312.23005951199997
Average Mass 312.44428
SMILES C(C(C=CC(O)CCCCC)1)(CCCCCCCC(O)=O)O1
Physicochemical Information
Melting Point
Boiling Point
Density
Optical Rotation
Reflactive Index
Solubility
Spectral Information
Mass Spectra GC-EI-MS(after methanolysis and trimethylsilylation)<<8017/8056/8009/8012>>: m/e= 398[M], 383[M-CH3], 367[M-OCH3], 327[M-(CH2)4CH3], 241[M-(CH2)7COOCH3]
UV Spectra l=277 and 316nm(very weak absorption)<<8009>>
IR Spectra Metyl ester<<8017/8056/8009>>: trans olefin(965-958cm-1), trans epoxide(890-874 cm-1), cis epoxide(weak absorprion; 845 AND 830cm-1), free OH(3600cm-1),bonded OH(3640-3380cm-1)
NMR Spectra 1H-NMR(methyl ester)<<8017/8056/8009>>: C9(2.83ppm), C10(3.09-3.1ppm;trans epoxide), C11(5.45-5.53ppm), C12(5.93-5.95ppm), C13(3.9-4.2ppm), C12, 13(2.9-3.4ppm;cis epoxide), OH proton(3.6ppm), J11-12=15.6Hz(trans unsaturation), J9-10=2-2.2Hz(trans epoxide)
Chromatograms




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