5,7a-Epoxy-6a,20a-dihydroxy-1-oxowitha-2,24-dienolide

5,7a-Epoxy-6a,20a-dihydroxy-1-oxowitha-2,24-dienolide

Common Name: 5,7a-Epoxy-6a,20a-dihydroxy-1-oxowitha-2,24-dienolide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C28H38O6/c1-14-13-20(33-24(31)15(14)2)27(5,32)18-9-8-16-21-17(10-12-25(16,18)3)26(4)19(29)7-6-11-28(26)23(30)22(21)34-28/h6-7,16-18,20-23,30,32H,8-13H2,1-5H3/t16-,17-,18-,20+,21-,22-,23-,25-,26-,27+,28-/m0/s1

InChIKey: InChIKey=YGOTVOWHKMPFMG-SFQAJKIESA-N

Formula: C28H38O6

Molecular Weight: 470.598783

Exact Mass: 470.266839

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Misra, L., Mishra, P., Pandey, A., Sangwan, R.S., Sangwan, N.S., Tuli, R. Phytochemistry (2008) 69, 1000-4

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) 202.1
2 (CH) 128.4
3 (CH) 141.1
4 (CH2) 40.9
5 (C) 76.2
6 (CH) 77.3
7 (CH) 62.5
8 (CH) 42.6
9 (CH) 42.8
10 (C) 52
11 (CH2) 22.5
12 (CH2) 35.6
13 (C) 45
14 (CH) 56.9
15 (CH2) 24.6
16 (CH2) 27
17 (CH) 55
18 (CH3) 12.1
19 (CH3) 20.3
20 (C) 77.7
21 (CH3) 14.7
22 (CH) 81.5
23 (CH2) 31.8
24 (C) 145
25 (C) 123
26 (C) 167.5
27 (CH3) 14.3
28 (CH3) 20.8