Abacopterin B

Abacopterin B

Common Name: Abacopterin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C26H30O10/c1-11-20(29)12(2)23-19-17(9-16(33-22(11)19)14-5-7-15(31-4)8-6-14)34-25-24(32-13(3)28)21(30)18(10-27)35-26(25)36-23/h5-8,16-18,21,24-27,29-30H,9-10H2,1-4H3/t16-,17-,18-,21-,24+,25-,26+/m0/s1

InChIKey: InChIKey=RILIBNNLUUUUJS-BDJZXEOKSA-N

Formula: C26H30O10

Molecular Weight: 502.511405

Exact Mass: 502.183897

NMR Solvent: CD3COCD3

MHz:

Calibration:

NMR references: 13C - Zhao, Z., Ruan, J., Jin, J., Zou, J., Zhou, D., Fang, W., Zeng, F. J Nat Prod (2006) 69, 265-8

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavonols; 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) 77
3 (CH2) 38.3
4 (CH) 72.9
5 (C) 151.7
6 (C) 110.4
7 (C) 154.2
8 (C) 108.6
9 (C) 152.4
10 (C) 112.8
1' (C) 133.5
2' (CH) 127.9
3' (CH) 114.2
4' (C) 160
5' (CH) 114.2
6' (CH) 127.9
1'' (CH) 102.1
2'' (CH) 83.9
3'' (CH) 75.4
4'' (CH) 68.4
5'' (CH) 78.2
6'' (CH2) 61.5
6a (CH3) 9
8a (CH3) 8.5
4'a (CH3) 55.2
3''a (C) 170.3
3''b (CH3) 20.6