Heptamethyl ether of proanthocyanidin A-2

Heptamethyl ether of proanthocyanidin A-2

Common Name: Heptamethyl ether of proanthocyanidin A-2

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C37H38O12/c1-40-20-14-28(46-7)31-29(15-20)48-37(19-9-11-24(42-3)27(13-19)45-6)36(39)33(31)32-30(49-37)17-25(43-4)21-16-22(38)34(47-35(21)32)18-8-10-23(41-2)26(12-18)44-5/h8-15,17,22,33-34,36,38-39H,16H2,1-7H3/t22-,33-,34-,36-,37+/m1/s1

InChIKey: InChIKey=LLMOYBYCVKZDGW-COFBMEKESA-N

Formula: C37H38O12

Molecular Weight: 674.691836

Exact Mass: 674.236327

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Lou, H.X., Yamazaki, Y., Sasaki, T., Uchida, M., Tanaka, H., Oka, S. Phytochemistry (1999) 51, 297-308

Species:

Notes: Family : Flavonoids, Type : Proanthocyanidins; 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 (C) 98.94
3 (CH) 67.47
4 (CH) 27.63
5 (C) 159
6 (CH) 93.22
7 (C) 159.99
8 (CH) 93.47
9 (C) 152.88
10 (C) 103.73
1' (C) 130.83
2' (CH) 110.18
3' (C) 149.98
4' (C) 149.75
5' (CH) 110.97
6' (CH) 119.37
2'' (CH) 78.24
3'' (CH) 65.44
4'' (CH2) 28.78
5'' (C) 157.66
6'' (CH) 92.13
7'' (C) 151.67
8'' (C) 106.66
9'' (C) 151.13
10'' (C) 101.74
1''' (C) 130.33
2''' (CH) 109.98
3''' (C) 149.74
4''' (C) 149.98
5''' (CH) 110.83
6''' (CH) 119.2
5a (CH3) 56.06
7a (CH3) 55.99
3'a (CH3) 55.41
4'a (CH3) 55.54
5''a (CH3) 55.29
3'''a (CH3) 55.99
4'''a (CH3) 55.99