27-acetoxy-3-oxo-witha-1,4,24-trienolide

27-acetoxy-3-oxo-witha-1,4,24-trienolide

Common Name: 27-acetoxy-3-oxo-witha-1,4,24-trienolide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H40O5/c1-17-14-27(35-28(33)23(17)16-34-19(3)31)18(2)24-8-9-25-22-7-6-20-15-21(32)10-12-29(20,4)26(22)11-13-30(24,25)5/h10,12,15,18,22,24-27H,6-9,11,13-14,16H2,1-5H3/t18-,22-,24+,25-,26-,27+,29-,30+/m0/s1

InChIKey: InChIKey=CETRFDSAZIOLNA-QMCSEYPKSA-N

Formula: C30H40O5

Molecular Weight: 480.636732

Exact Mass: 480.287574

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Misra, L., Lal, P., Sangwan, R.S., Sangwan, N.S., Uniyal, G.C., Tuli, R. Phytochemistry (2005) 66, 2702-7

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 (CH) 154.9
2 (CH) 129.2
3 (C) 186.7
4 (CH) 123.5
5 (C) 147.8
6 (CH2) 29.4
7 (CH2) 29.3
8 (CH) 30.1
9 (CH) 42.6
10 (C) 47
11 (CH2) 21.7
12 (CH2) 39.3
13 (C) 43
14 (CH) 56.6
15 (CH2) 24.7
16 (CH2) 27.6
17 (CH) 51.9
18 (CH3) 11.9
19 (CH3) 19.6
20 (CH) 39.2
21 (CH3) 13.3
22 (CH) 78.2
23 (CH2) 31.7
24 (C) 156.9
25 (C) 122.9
26 (C) 166.8
27 (CH2) 58
28 (CH3) 20.5
27a (C) 171.7
27b (CH3) 20.8