Gambogoic acid A

Gambogoic acid A

Common Name: Gambogoic acid A

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C39H48O9/c1-20(2)11-10-16-37(8)17-15-23-29(40)27-30(41)28-33(45-9)25-19-26-36(6,7)48-38(34(25)42,18-14-22(5)35(43)44)39(26,28)47-32(27)24(31(23)46-37)13-12-21(3)4/h11-12,14-15,17,25-26,28,33,40H,10,13,16,18-19H2,1-9H3,(H,43,44)/b22-14-/t25-,26?,28+,33+,37?,38+,39+/m1/s1

InChIKey: InChIKey=WRIWCDIPAFGNEY-LAVLINDDSA-N

Formula: C39H48O9

Molecular Weight: 660.794501

Exact Mass: 660.329833

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Han, Q.B., Wang, Y.L., Yang, L., Tso, T.F., Qiao, C.F., Song, J.Z., Xu, L.J., Chen, S.L., Yang, D.J., Xu, H.X. Chem Pharm Bull (2006) 54, 265-7

Species:

Notes: Family : Aromatics, Type : Xanthones; 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
1 (C) 156.3
2 (C) 102.6
3 (C) 161.2
4 (C) 108.7
4a (C) 155.7
5 (C) 82.2
6 (C) 208.6
7 (CH) 43.9
8 (CH) 74
8a (CH) 47.9
9 (C) 193.7
9a (C) 101.7
10a (C) 88.4
1' (CH) 115.8
2' (CH) 124.8
3' (C) 81.1
4' (CH3) 27.7
5' (CH2) 42
6' (CH2) 22.7
7' (CH) 123.7
8' (C) 131.9
9' (CH3) 17.6
10' (CH3) 25.6
1'' (CH2) 21.5
2'' (CH) 122.5
3'' (C) 131.2
4'' (CH3) 18
5'' (CH3) 25.6
1''' (CH2) 28
2''' (CH) 139.8
3''' (C) 127
4''' (C) 172.4
5''' (CH3) 20.5
1'''' (CH2) 19.9
2'''' (CH) 43.5
3'''' (C) 86.3
4'''' (CH3) 27.2
5'''' (CH3) 29.7
1''''' (CH3) 55.8