16,24-Cyclo-13,14-secoergost-2-ene-18,26-dioic Acid 14:17,14:27-Diepoxy-5α,6β,11β,13,20,22-hexahydroxy-1,15-dioxo-γ-lactone

16,24-Cyclo-13,14-secoergost-2-ene-18,26-dioic Acid 14:17,14:27-Diepoxy-5α,6β,11β,13,20,22-hexahydroxy-1,15-dioxo-γ-lactone

Common Name: 16,24-Cyclo-13,14-secoergost-2-ene-18,26-dioic Acid 14:17,14:27-Diepoxy-5α,6β,11β,13,20,22-hexahydroxy-1,15-dioxo-γ-lactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C28H32O12/c1-22-9-16-24(3)28-18(22)19(32)27(40-28,37-10-12(22)20(33)38-16)11-7-15(31)25(35)6-4-5-14(30)23(25,2)17(11)13(29)8-26(28,36)21(34)39-24/h4-5,11-13,15-18,29,31,35-36H,6-10H2,1-3H3/t11-,12+,13+,15-,16-,17-,18?,22-,23-,24+,25+,26?,27?,28+/m1/s1

InChIKey: InChIKey=TVJCXNHCDJLAKM-IQFXVIQUSA-N

Formula: C28H32O12

Molecular Weight: 560.547568

Exact Mass: 560.189376

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Choudhary, M.I., Yousaf, S., Ahmed, S., Yasmeen, K. Chem Biodiversity (2005) 2, 1164-73

Species:

Notes: Family : Steroids, Type : Ergostanes, Group : Withanolides; 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) 203.5
2 (CH) 127.8
3 (CH) 143.3
4 (CH2) 37.2
5 (C) 78.8
6 (CH) 73.9
7 (CH2) 31.1
8 (CH) 38.6
9 (CH) 30.9
10 (C) 54.6
11 (CH) 68
12 (CH2) 32.2
13 (C) 80.4
14 (C) 107.3
15 (C) 208.3
16 (CH) 56
17 (C) 79.8
18 (C) 172.1
19 (CH3) 21.2
20 (C) 80.9
21 (CH3) 26.5
22 (CH) 77
23 (CH2) 32.9
24 (C) 31.1
25 (CH) 50.9
26 (C) 166.9
27 (CH2) 60.7
28 (CH3) 14.5