分子量:514.521 g/mol
分子式:27H30O10
別名:Baohuoside I; 4H-1-Benzopyran-4-one, 3-((6-deoxy-alpha-L-mannopyranosyl)oxy)-5,7-dihydroxy-2-(4-methoxyphenyl)-8-(3-methyl-2-butenyl)-; 113558-15-9; 3,5,7-trihydroxy-4'-methoxyl-8-prenylflavone-3-O-rhamnopyranoside
外觀:黃色針狀結(jié)晶(MeOH)。
資料:正離子ESI-MS(m/z):537(M+Na)+, 515(M+H)+;負(fù)離子ESI—MS(m/z):513(M-H)。。1H-NMR(400MHz,DMSO-d6)8: 12.5I(1H,s,5-OH),10.86(1H,s,7·OH),7.85(2H,d,J=8.8 Hz,H-2’,6’). 7.12(2H,d,J=8.8Hz,H-3’,5’),6.32(IH,s,H-6),5.27(1H,d,J-=1.8Hz, Rha-H一1),5.14(1H,t,,/=-6.8Hz,H·2”),3.85(3H,s,4'-OMe),1.66,1.60(均 為3H,s.H_4”,5”),0.78(3H,d,,/=-5.6I-lz,Rha-H-6)。“C-NMR(IOOMHz, DMSO-d6)6:156.7(C-2),134.4(C-3),177.9(c一4),158.s(c·5),98.3(c一6), 161.2(c-7),105.9(C一8),153.7(C一9),04.1(C一10),122.2(c-1’),130.4(C-2’), 114.o(c一3’),161.6(C-4’),114.o(c一5’),130.4(C一6’)·21.3(C-1”),122.3(C一2’,), 131.0(C一3’’),25.4(C一4’’),17.7(C-5’’),56.5(4’-OMe),102.9(Rha-C一1),70.4(Rha-C一2),70.8(Rha-C一3),71.2(Rha-C-4),70.0(Rha-C-5),17.4(Rha-C一6)
寶雞晨光生物科技有限公司
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