Catechin-(4alpha->8)-gallocatechin-(4alpha->8)-gallocatechin
IUPAC 名称
(2R,4R)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-4-[(2R,3S)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-8-yl]-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
描述
Catechin-(4alpha->8)-gallocatechin-(4alpha->8)-gallocatechin 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''. Catechin-(4alpha->8)-gallocatechin-(4alpha->8)-gallocatechin is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Catechin-(4alpha->8)-gallocatechin-(4alpha->8)-gallocatechin can be found in blackcurrant, which makes catechin-(4alpha->8)-gallocatechin-(4alpha->8)-gallocatechin a potential biomarker for the consumption of this food product.
异构
O[C@H]1CC2=C(O[C@@H]1C1=CC(O)=C(O)C(O)=C1)C([C@H]1C(O)[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(O)=C(O)C(O)=C1)=C(O)C=C2O
InChI标识符
InChI=1S/C45H38O20/c46-16-8-21(50)31-30(9-16)63-42(13-1-2-18(47)20(49)3-13)39(61)35(31)33-23(52)12-24(53)34-36(40(62)43(65-45(33)34)15-6-27(56)38(60)28(57)7-15)32-22(51)11-19(48)17-10-29(58)41(64-44(17)32)14-4-25(54)37(59)26(55)5-14/h1-9,11-12,29,35-36,39-43,46-62H,10H2/t29-,35-,36+,39-,40?,41+,42+,43+/m0/s1
键
RBFUQMMJTXKBOG-WVKVEKBISA-N