12-O-Methyljaborosalactone-38

12-O-Methyljaborosalactone-38

Common Name: 12-O-Methyljaborosalactone-38

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C29H38O7/c1-15-11-21(35-24(31)16(15)2)20-14-34-29(33-5)13-19-17(18-8-10-27(20,32)26(18,29)4)12-23-28(36-23)9-6-7-22(30)25(19,28)3/h6-7,17-21,23,32H,8-14H2,1-5H3/t17-,18-,19-,20?,21?,23+,25-,26-,27+,28+,29-/m0/s1

InChIKey: InChIKey=HUDQCGDJEFJNAU-WDMIWORASA-N

Formula: C29H38O7

Molecular Weight: 498.608924

Exact Mass: 498.261754

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Nicotra, V.E., Gil, R.R., Oberti, J.C., Burton, G. J Nat Prod (2007) 70, 808-12

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) 202.6
2 (CH) 129.6
3 (CH) 144.1
4 (CH2) 31.2
5 (C) 62
6 (CH) 63
7 (CH2) 31.2
8 (CH) 28.5
9 (CH) 42.3
10 (C) 51.2
11 (CH2) 31.2
12 (C) 102.8
13 (C) 48.2
14 (CH) 50.3
15 (CH2) 24.1
16 (CH2) 35.1
17 (C) 78.9
18 (CH3) 12.1
19 (CH3) 14.6
20 (CH) 47.1
21 (CH2) 60
22 (CH) 76.5
23 (CH2) 35.1
24 (C) 149.2
25 (C) 121.9
26 (C) 165.2
27 (CH3) 12.3
28 (CH3) 20.3
12a (CH3) 47.8