GlcNAca/b1-3Xyla-4Galb1-3GalNAca1-4(NeuAc?1-2NeuGc4Mea1-3)GalNAcb1-4(EtnP-6)GlcNAcb1-3Manb1-4Glcb1-1Cer
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Structural Information
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Methyl-12,13-Epoxy-9,15-Octadecadienoate
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Formula
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C19H32O3
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Exact Mass
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308.23514489
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Average Mass
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308.45558
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SMILES
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C(C(CC=CCCCCCCCC(=O)OC)1)(CC=CCC)O1
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Physicochemical Information
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Spectral Information
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Mass Spectra
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GC-EI-MS
Neff_WE et al.: m/e=308[M]; 277[M-OCH3]; 211[CH-(O)-CHCH2CH=CH(CH2)7COOCH3-28] 83[M-CH2CH=CH(CH2)7COOCH3-28], GC-EI-MS(after hydrogenation)(105): m/e=281[M-OCH3]; 241[CH-(O)-CH(CH2)10CO OCH3]; 213[214-28]; 113[M-(CH2)10COOCH3]; 85[113-28]
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UV Spectra
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IR Spectra
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Cis unsaturation: 3002cm-1
Neff_WE et al.
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NMR Spectra
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1H-NMR
Neff_WE et al.: cis unsaturationS: 5.43ppm[4H]; cis epoxide ring:2.79 AND 2.98ppm[2H]
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Other Spectra
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Chromatograms
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