5,6-Epoxyphysalin B

5,6-Epoxyphysalin B

Common Name: 5,6-Epoxyphysalin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C28H30O10/c1-22-10-17-24(3)28-18(22)19(30)27(38-28,34-11-14(22)20(31)35-17)13-9-16-26(36-16)7-4-5-15(29)23(26,2)12(13)6-8-25(28,33)21(32)37-24/h4-5,12-14,16-18,33H,6-11H2,1-3H3/t12-,13+,14-,16+,17+,18?,22+,23-,24-,25?,26+,27?,28-/m0/s1

InChIKey: InChIKey=VSLWNSSUMFSGFF-UWHPKIKVSA-N

Formula: C28H30O10

Molecular Weight: 526.532877

Exact Mass: 526.183897

NMR Solvent: CDCl3

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) 205.8
2 (CH) 127.7
3 (CH) 146.3
4 (CH2) 38.4
5 (C) 61.7
6 (CH) 64.8
7 (CH2) 25.6
8 (CH) 37.3
9 (CH) 34.2
10 (C) 50
11 (CH2) 23.5
12 (CH2) 24.8
13 (C) 79.8
14 (C) 106.9
15 (C) 207.5
16 (CH) 56.7
17 (C) 81
18 (C) 172.1
19 (CH3) 23
20 (C) 80.9
21 (CH3) 23.5
22 (CH) 76.8
23 (CH2) 32.9
24 (C) 31
25 (CH) 50.8
26 (C) 173
27 (CH2) 59.7
28 (CH3) 19.5