Epicatechin 8-C-β-D-galactopyranoside

Epicatechin 8-C-β-D-galactopyranoside

Common Name: Epicatechin 8-C-β-D-galactopyranoside

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H24O11/c22-6-14-16(28)17(29)18(30)21(31-14)15-12(26)5-10(24)8-4-13(27)19(32-20(8)15)7-1-2-9(23)11(25)3-7/h1-3,5,13-14,16-19,21-30H,4,6H2/t13-,14-,16+,17+,18-,19-,21+/m1/s1

InChIKey: InChIKey=XWDHVYPMZCGHNM-FNJMPTQDSA-N

Formula: C21H24O11

Molecular Weight: 452.409486

Exact Mass: 452.131862

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Hatano, T., Miyatake, H., Natsume, M., Osakabe, N., Takizawa, T., Ito, H., Yoshida, T. Phytochemistry (2002) 59, 749-58

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanols; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)

Carbon NMR Peaks

Position PPM
2 (CH) 80.9
3 (CH) 68.2
4 (CH2) 30.5
5 (C) 158.9
6 (CH) 98.2
7 (C) 157.9
8 (C) 105.8
9 (C) 155.4
10 (C) 100.5
1' (C) 133.2
2' (CH) 116
3' (C) 146.8
4' (C) 146.5
5' (CH) 116.9
6' (CH) 119.8
1'' (CH) 77.7
2'' (CH) 73.1
3'' (CH) 77
4'' (CH) 71.4
5'' (CH) 81.1
6'' (CH2) 63.8