Withangulatin I

Withangulatin I

Common Name: Withangulatin I

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H36O8/c1-14-11-21(37-26(34)15(14)2)16(3)19-12-24(36-17(4)31)29(35)20-13-25-30(38-25)23(33)8-7-22(32)28(30,6)18(20)9-10-27(19,29)5/h7-8,12,16,18,20-21,24-25,35H,9-11,13H2,1-6H3/t16-,18-,20+,21+,24-,25+,27+,28-,29-,30+/m0/s1

InChIKey: InChIKey=VOUXFDPQZPGAHS-PDPDJNFXSA-N

Formula: C30H36O8

Molecular Weight: 524.603183

Exact Mass: 524.241018

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Lee, S.W., Pan, M.H., Chen, C.M., Chen, Z.T. Chem Pharm Bull (2008) 56, 234-6

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) 202.2
2 (CH) 139.4
3 (CH) 141.2
4 (C) 193.6
5 (C) 63.5
6 (CH) 64
7 (CH2) 24.5
8 (CH) 34.5
9 (CH) 38.3
10 (C) 50
11 (CH2) 23
12 (CH2) 37.6
13 (C) 52.1
14 (C) 81.1
15 (CH) 83.6
16 (CH) 121.2
17 (C) 162.3
18 (CH3) 16
19 (CH3) 19.2
20 (CH) 35.4
21 (CH3) 17.6
22 (CH) 79.2
23 (CH2) 33
24 (C) 148.5
25 (C) 122.2
26 (C) 166.3
27 (CH3) 12.4
28 (CH3) 20.4
15a (C) 169.6
15b (CH3) 21.4