5-Pregn-3, 20-dione

5-Pregn-3, 20-dione

Common Name: 5-Pregn-3, 20-dione

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h14,16-19H,4-12H2,1-3H3/t14-,16-,17+,18-,19-,20-,21+/m0/s1

InChIKey: InChIKey=XMRPGKVKISIQBV-BJMCWZGWSA-N

Formula: C21H32O2

Molecular Weight: 316.478368

Exact Mass: 316.24023

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Qi, S.H., Zhang, S., Yang, L.H., Qian, P.Y. Nat Prod Res (2008) 22, 154-66

Species:

Notes: Family : Steroids, Type : Pregnanes; 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 (CH2) 37
2 (CH2) 39
3 (C) 212.7
4 (CH2) 42.3
5 (CH) 40.9
6 (CH2) 25.8
7 (CH2) 26.6
8 (CH) 35.6
9 (CH) 44.2
10 (C) 35
11 (CH2) 21.3
12 (CH2) 37.1
13 (C) 44.4
14 (CH) 56.7
15 (CH2) 24.4
16 (CH2) 23
17 (CH) 63.8
18 (CH3) 13.4
19 (CH3) 22.6
20 (C) 209.1
21 (CH3) 31.4