(22R,23R,24S)-2a,3a,22,23-Bisisopropylidenedioxy-26-nor-5a-ergostan-6-one

(22R,23R,24S)-2a,3a,22,23-Bisisopropylidenedioxy-26-nor-5a-ergostan-6-one

Common Name: (22R,23R,24S)-2a,3a,22,23-Bisisopropylidenedioxy-26-nor-5a-ergostan-6-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C33H54O5/c1-10-18(2)28-29(38-31(6,7)37-28)19(3)21-11-12-22-20-15-25(34)24-16-26-27(36-30(4,5)35-26)17-33(24,9)23(20)13-14-32(21,22)8/h18-24,26-29H,10-17H2,1-9H3/t18-,19-,20-,21+,22-,23-,24+,26-,27+,28+,29+,32+,33+/m0/s1

InChIKey: InChIKey=HSHCFTOLENWCKU-LPDHUQNYSA-N

Formula: C33H54O5

Molecular Weight: 530.78011

Exact Mass: 530.397125

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Watanabe, T., Noguchi, T., Yokota, T., Shibata, K., Koshino, H., Seto, H., Kim, S., Takatsuto, S. Phytochemistry (2001) 58, 343-9

Species:

Notes: Family : Steroids, Type : Campestanes; 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) 41.11
2 (CH) 72.35
3 (CH) 72.15
4 (CH2) 22.57
5 (CH) 51.48
6 (C) 211.45
7 (CH2) 46.9
8 (CH) 37.62
9 (CH) 53.31
10 (C) 42.51
11 (CH2) 21.13
12 (CH2) 39.14
13 (C) 42.8
14 (CH) 56.4
15 (CH2) 23.88
16 (CH2) 27.76
17 (CH) 53.37
18 (CH3) 11.71
19 (CH3) 12.68
20 (CH) 36.72
21 (CH3) 12.68
22 (CH) 80.22
23 (CH) 81.11
24 (CH) 37.25
25 (CH2) 26.58
26 (CH3) 14.21
2a (C) 107.65
2aa (CH3) 26.53
2ab (CH3) 28.65
22a (C) 107.89
22aa (CH3) 27.25
22ab (CH3) 27.25
24a (CH3) 11.67