Pregna-5,20-diene-3beta-yl 4-O-acetyl-beta-D-arabinopyranoside

Pregna-5,20-diene-3beta-yl 4-O-acetyl-beta-D-arabinopyranoside

Common Name: Pregna-5,20-diene-3beta-yl 4-O-acetyl-beta-D-arabinopyranoside

Synonyms: Pregna-5,20-diene-3beta-yl 4-O-acetyl-beta-D-arabinopyranoside

CAS Registry Number:

InChI: InChI=1S/C28H42O6/c1-5-17-7-9-21-20-8-6-18-14-19(10-12-28(18,4)22(20)11-13-27(17,21)3)34-26-25(31)24(30)23(15-32-26)33-16(2)29/h5-6,17,19-26,30-31H,1,7-15H2,2-4H3/t17-,19-,20-,21-,22-,23+,24+,25-,26-,27+,28-/m0/s1

InChIKey: InChIKey=LYCUXBSMEHKLCL-GESZSZFKSA-N

Formula: C28H42O6

Molecular Weight: 474.630546

Exact Mass: 474.298139

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Gutierrez, M., Capson, T.L., Guzman, H.M., Gonzalez, J., Ortega-Barria, E., Quinoa, E., Riguera, R. J Nat Prod (2006) 69, 1379-83

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) 37.3
2 (CH2) 29.6
3 (CH) 77.9
4 (CH2) 38.7
5 (C) 139.9
6 (CH) 122.1
7 (CH2) 32
8 (CH) 32
9 (CH) 50.4
10 (C) 36.9
11 (CH2) 20.7
12 (CH2) 37.4
13 (C) 43.4
14 (CH) 55.9
15 (CH2) 24.9
16 (CH2) 27.3
17 (CH) 55.3
18 (CH3) 12.8
19 (CH3) 19.5
20 (CH) 139.6
21 (CH2) 114.5
1' (CH) 97
2' (CH) 69.2
3' (CH) 69.8
4' (CH) 71.2
5' (CH2) 60.9
4'a (C) 170.8
4'b (CH3) 21.2