Amotsangins B

Amotsangins  B

Common Name: Amotsangins B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C33H42O10/c1-17(2)29(37)41-28-27(40-19(4)34)26(31(7)12-10-24(35)43-30(5,6)22(31)15-25(36)38-9)18(3)33-23(42-33)14-21(32(28,33)8)20-11-13-39-16-20/h10-13,16-17,21-23,26-28H,3,14-15H2,1-2,4-9H3/t21-,22-,23+,26+,27+,28-,31-,32+,33+/m0/s1

InChIKey: InChIKey=IGDXTIYJGIXWPU-BCQXRMRSSA-N

Formula: C33H42O10

Molecular Weight: 598.681846

Exact Mass: 598.277798

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Chen, H.D., Yang, S.P., Liao, S.G., Zhang, B., Wu, Y., Yue, J.M. J Nat Prod (2008) 71, 93-7

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Limonoids; 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 (CH) 148.5
2 (CH) 122
3 (C) 166.5
4 (C) 83.5
5 (CH) 50
6 (CH2) 34.9
7 (C) 173.5
8 (C) 136.7
9 (CH) 53.2
10 (C) 46.2
11 (CH) 71
12 (CH) 73.7
13 (C) 45.4
14 (C) 71
15 (CH) 59.4
16 (CH2) 33.8
17 (CH) 37.6
18 (CH3) 13.6
19 (CH3) 22.6
20 (C) 122.1
21 (CH) 140.4
22 (CH) 111.2
23 (CH) 142.4
28 (CH3) 30.2
29 (CH3) 22.4
30 (CH2) 120.9
7a (CH3) 52.3
11a (C) 170.3
11b (CH3) 20.5
12a (C) 175.3
12b (CH) 33.9
12c (CH3) 18.2
12ba (CH3) 18.4