Heptamethyl ether of proanthocyanidin A-1

Heptamethyl ether of proanthocyanidin A-1

Common Name: Heptamethyl ether of proanthocyanidin A-1

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-/m0/s1

InChIKey: InChIKey=LLMOYBYCVKZDGW-OBZCZKEGSA-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) 99.2
3 (CH) 67.56
4 (CH) 25.94
5 (C) 158.75
6 (CH) 92.81
7 (C) 160.05
8 (CH) 93.2
9 (C) 153.52
10 (C) 103.73
1' (C) 130.6
2' (CH) 110.11
3' (C) 149.75
4' (C) 149.75
5' (CH) 111.14
6' (CH) 119.55
2'' (CH) 81.22
3'' (CH) 67.45
4'' (CH2) 27.51
5'' (C) 157.46
6'' (CH) 91.96
7'' (C) 151.23
8'' (C) 106
9'' (C) 151.23
10'' (C) 101.81
1''' (C) 130.6
2''' (CH) 109.91
3''' (C) 148.97
4''' (C) 148.98
5''' (CH) 110.81
6''' (CH) 119.17
5a (CH3) 56.05
7a (CH3) 55.99
3'a (CH3) 55.72
4'a (CH3) 55.5
5''a (CH3) 55.42
3'''a (CH3) 55.2
4'''a (CH3) 55.99