Opercurins B

Opercurins B

Common Name: Opercurins B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C38H56O13/c1-18(40)50-32(2,3)13-12-24(42)37(9,46)30-21(41)15-34(6)23-11-10-19-20(36(23,8)25(43)16-35(30,34)7)14-26-38(47,33(19,4)5)51-29-28(45)27(44)22(17-39)48-31(29)49-26/h10,12-13,20-23,26-31,39,41,44-47H,11,14-17H2,1-9H3/b13-12+/t20-,21-,22-,23+,26+,27-,28+,29-,30+,31+,34+,35-,36+,37+,38-/m1/s1

InChIKey: InChIKey=CCXHTWIKFXDCCF-BNWUWMAFSA-N

Formula: C38H56O13

Molecular Weight: 720.84491

Exact Mass: 720.372092

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Kawahara, N., Kurata, A., Hakamatsuka, T., Sekita, S., Satake, M. Chem Pharm Bull (2004) 52, 1018-20

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Cucurbitanes; 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 (CH2) 29.5
2 (CH) 77
3 (C) 97.1
4 (C) 46.6
5 (C) 141.5
6 (CH) 120.6
7 (CH2) 24.7
8 (CH) 44.5
9 (C) 50.2
10 (CH) 34.9
11 (C) 216.3
12 (CH2) 49.6
13 (C) 51.8
14 (C) 49.1
15 (CH2) 46.6
16 (CH) 71.9
17 (CH) 60
18 (CH3) 20.7
19 (CH3) 20.3
20 (C) 80.3
21 (CH3) 25.3
22 (C) 205.2
23 (CH) 122.7
24 (CH) 151.5
25 (C) 81.1
26 (CH3) 26.4
27 (CH3) 26.9
28 (CH3) 25.3
29 (CH3) 19.9
30 (CH3) 19.4
1' (CH) 100.3
2' (CH) 73.7
3' (CH) 75
4' (CH) 71.9
5' (CH) 80
6' (CH2) 62.5
25a (C) 171.9
25b (CH3) 21.9