Opercurin A

Opercurin A

Common Name: Opercurin A

Synonyms: Opercurin A

CAS Registry Number:

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

InChIKey: InChIKey=PQOVWWZVVIGRPP-VAQRSBOCSA-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) 25.8
2 (CH) 78.33
3 (C) 214.6
4 (C) 50.9
5 (C) 139.1
6 (CH) 122.4
7 (CH2) 25
8 (CH) 43.8
9 (C) 51
10 (CH) 32.3
11 (C) 216.7
12 (CH2) 49.7
13 (C) 51.8
14 (C) 49
15 (CH2) 46.7
16 (CH) 71.9
17 (CH) 60.2
18 (CH3) 20.8
19 (CH3) 18.77
20 (C) 80.3
21 (CH3) 25.4
22 (C) 205.3
23 (CH) 122.7
24 (CH) 151.5
25 (C) 81.1
26 (CH3) 26.5
27 (CH3) 26.8
28 (CH3) 28.6
29 (CH3) 23.8
30 (CH3) 18.76
1' (CH) 100.9
2' (CH) 74.6
3' (CH) 77.9
4' (CH) 71.4
5' (CH) 78.25
6' (CH2) 62.6
25a (C) 171.9
25b (CH3) 21.9