 Wysłany: Pon 23:24, 17 Sty 2011 Temat postu: ugg boots Günstig The chemical composition of E. |
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| The chemical composition of E. densa
10H, sugar matrix sub.) Compound 8 were detected after acid hydrolysis of quercetin and glucose. The chemical and spectral data and quercetin-3-D-glucoside the same:. Compounds 9 yellowish powder, p174 ~ 176 ℃. FA13MSm / z: 449 (M A +1). El-MSm / z: 286 (aglycone, M a 162), Z85, 258,257,240,153,121,93. uvlqm: 266,351. HNMR (DMSO-d): a12.05 (1H, s ,5-OH), 10.92 (1H, s ,7-OH), 10.22 (1H, s, 4 a OH), 8.05 ( 2H. d, J = 8.9Hz, H A 2,6), 6.85 (2H, d, J = 8.9Hz, H A 3,5), 6.44 (1H, d, J a 7. 40Hz, glucose heresy protons), 3.08 ~ 3.30 (10H, m, sub-glucose substrate),ugg boots Günstig, hydrolysis with constant method of kaempferol and glucose, crossing the spectrum of their physical and chemical data and kaempferol glucoside a 3O-D line :. Compound l0 yellow powder, mp266 - 268 ℃. FAB-MSm / z: 593 (M +1), z85 (M4 +1-162-146) ElMSm / z ~ 284 (aglycone), 269t256, 15Z, 135. 132UVam: 269,324 IRcm: 3648.3420, 2936 , 2849,1657,1608,1515,1446,1088,1036. H-NMR (DMSO-d) :812-05 (1H, s ,5-OH),nike sale, 8.05 (2H, d, J = 8.5Hz, H A 2,6), 7.15 (2H, d , J = 8.5I4z, H A 3,5). 6.45 (1H, d, J a 2.oHz, H a 8), 6.15 (1H, d, j - 2OHz, H a 6), 6.10 (1H, s, H-3),uggs online, 4.97 (1H, d, J = 7.5Hz, glucose heresy protons), 4.50 (1H, br, n a heresy rhamnose protons). After acid hydrolysis was 5,uggs online,7 - dihydroxy 4'-methoxy-a flavonoid hydrolysis detected by TLC glucose and rhamnose, two sugar connection determined by the H-NMR spectra for the 6-1 rue sugar, and its spectrum data with a 5 hydroxy-4-methoxy-7 consistent with a glycoside rutin 19]. More articles related to topics： ugg sale Junggar Banner of Inner Mongolia Shanxi N uggs kopen Photosensitive rice sterility and the development of sensitive geneti uggs kopen GBSSI gene in hairy roots of Astragalus cDNA cloning and structural a |
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