ent-Epiafzelechin-(2alpha->7,4alpha->8)-catechin
IUPAC 名称
(5R,6S,13R,21S)-5-(3,4-dihydroxyphenyl)-13-(4-hydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.0²,¹¹.0³,⁸.0¹⁵,²⁰]henicosa-2(11),3(8),9,15(20),16,18-hexaene-6,9,17,19,21-pentol
描述
Ent-epiafzelechin-(2alpha->7,4alpha->8)-catechin 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''. Ent-epiafzelechin-(2alpha->7,4alpha->8)-catechin is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Ent-epiafzelechin-(2alpha->7,4alpha->8)-catechin can be found in peach, which makes ent-epiafzelechin-(2alpha->7,4alpha->8)-catechin 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=C1)C1=C(O[C@]3(OC4=C(C1[C@@H]3O)C(O)=CC(O)=C4)C1=CC=C(O)C=C1)C=C2O
InChI标识符
InChI=1S/C30H24O11/c31-14-4-2-13(3-5-14)30-29(38)26(24-20(36)8-15(32)9-22(24)40-30)25-23(41-30)11-18(34)16-10-21(37)27(39-28(16)25)12-1-6-17(33)19(35)7-12/h1-9,11,21,26-27,29,31-38H,10H2/t21-,26?,27+,29-,30+/m0/s1
键
MXKKFADFYXJREN-YBYURAQPSA-N