Proanthocyanidin B2 3,3'-digallate
IUPAC 名称
(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyloxy)-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
Isolated from Rheum rhizome and Thea sinensis (tea). Proanthocyanidin B2 3,3'-digallate is found in tea, green vegetables, and common grape.
异构
OC1=CC(O)=C2[C@@H]([C@@H](OC(=O)C3=CC(O)=C(O)C(O)=C3)[C@H](OC2=C1)C1=CC=C(O)C(O)=C1)C1=C2O[C@@H]([C@@H](CC2=C(O)C=C1O)OC(=O)C1=CC(O)=C(O)C(O)=C1)C1=CC=C(O)C(O)=C1
InChI标识符
InChI=1S/C44H34O20/c45-19-11-26(51)34-32(12-19)61-40(16-2-4-22(47)25(50)6-16)42(64-44(60)18-9-30(55)38(58)31(56)10-18)36(34)35-27(52)14-23(48)20-13-33(62-43(59)17-7-28(53)37(57)29(54)8-17)39(63-41(20)35)15-1-3-21(46)24(49)5-15/h1-12,14,33,36,39-40,42,45-58H,13H2/t33-,36-,39-,40-,42-/m1/s1
键
KTLUHRSHFRODPS-RIQPQZJCSA-N