Okadaic acid

Okadaic acid

Common Name: Okadaic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C44H68O13/c1-25-21-34(55-44(23-25)35(46)12-11-31(54-44)24-41(6,50)40(48)49)26(2)9-10-30-14-18-43(53-30)19-15-33-39(57-43)36(47)29(5)38(52-33)32(45)22-28(4)37-27(3)13-17-42(56-37)16-7-8-20-51-42/h9-10,23,26-28,30-39,45-47,50H,5,7-8,11-22,24H2,1-4,6H3,(H,48,49)/b10-9+/t26-,27-,28+,30+,31+,32+,33?,34+,35-,36-,37?,38+,39-,41-,42+,43?,44-/m1/s1

InChIKey: InChIKey=QNDVLZJODHBUFM-JTTFHUOJSA-N

Formula: C44H68O13

Molecular Weight: 805.004615

Exact Mass: 804.465992

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Norte, M., Gonzalez, R., Fernandez, J.J. Tetrahedron (1991) 47, 7437-46

Species:

Notes: Family : Polyketides, Type : Polycyclic-ethers; 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) 176.7
2 (C) 77.2
3 (CH2) 42.6
4 (CH) 69.3
5 (CH2) 31.6
6 (CH2) 32.8
7 (CH) 71.5
8 (C) 96.5
9 (CH) 121.5
10 (C) 139.4
11 (CH2) 33.2
12 (CH) 71.5
13 (CH) 42.2
14 (CH) 136.3
15 (CH) 131.4
16 (CH) 79.1
17 (CH2) 30.6
18 (CH2) 37.3
19 (C) 105.7
20 (CH2) 26.4
21 (CH2) 27.1
22 (CH) 69.7
23 (CH) 76.5
24 (CH) 71.1
25 (C) 144.7
26 (CH) 84.9
27 (CH) 64.7
28 (CH2) 35.3
29 (CH) 31.1
30 (CH) 75
31 (CH) 27.4
32 (CH2) 26.6
33 (CH2) 30.3
34 (C) 95.6
35 (CH2) 25.4
36 (CH2) 35.9
37 (CH2) 18.7
38 (CH2) 60.3
39 (CH3) 27.3
40 (CH3) 23.1
41 (CH2) 15.9
42 (CH3) 112.5
43 (CH3) 16.2
44 (CH3) 10.7