Epicatechin-(4beta->8)-epicatechin-(4beta->8)-catechin 3''-gallate
IUPAC 名称
(2R,3R,4S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-5,7-dihydroxy-3,4-dihydro-2H-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate
描述
Epicatechin-(4beta->8)-epicatechin-(4beta->8)-catechin 3''-gallate is a member of the class of compounds known as biflavonoids and polyflavonoids. Biflavonoids and polyflavonoids are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''. Epicatechin-(4beta->8)-epicatechin-(4beta->8)-catechin 3''-gallate is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Epicatechin-(4beta->8)-epicatechin-(4beta->8)-catechin 3''-gallate can be found in common grape, which makes epicatechin-(4beta->8)-epicatechin-(4beta->8)-catechin 3''-gallate a potential biomarker for the consumption of this food product.
异构
O[C@H]1CC2=C(O[C@@H]1C1=CC=C(O)C(O)=C1)C([C@@H]1[C@@H](OC(=O)C3=CC(O)=C(O)C(O)=C3)[C@H](OC3=C1C(O)=CC(O)=C3[C@@H]1[C@@H](O)[C@H](OC3=C1C(O)=CC(O)=C3)C1=CC(O)=C(O)C=C1)C1=CC=C(O)C(O)=C1)=C(O)C=C2O
InChI标识符
InChI=1S/C52H42O22/c53-21-12-30(61)38-37(13-21)71-47(18-2-5-24(55)28(59)8-18)45(69)42(38)39-32(63)16-33(64)41-43(40-31(62)15-26(57)22-14-36(67)46(72-49(22)40)17-1-4-23(54)27(58)7-17)51(74-52(70)20-10-34(65)44(68)35(66)11-20)48(73-50(39)41)19-3-6-25(56)29(60)9-19/h1-13,15-16,36,42-43,45-48,51,53-69H,14H2/t36-,42+,43-,45+,46+,47+,48+,51+/m0/s1
键
XLGRDEOFHNGKLV-OKJFZLKJSA-N