Preaustinoid B

Preaustinoid B

Common Name: Preaustinoid B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C26H38O5/c1-15-24(7)13-18-22(5)11-10-19(28)21(3,4)17(22)9-12-23(18,6)25(15,20(29)31-8)14-26(24,30)16(2)27/h17-18,30H,1,9-14H2,2-8H3/t17-,18+,22-,23+,24?,25?,26-/m0/s1

InChIKey: InChIKey=LMNVGJJSMCVXQH-MXWQRVCESA-N

Formula: C26H38O5

Molecular Weight: 430.577907

Exact Mass: 430.271924

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Geris dos Santos R.M., Rodrigues-Fo E. Phytochemistry (2002) 61, 907-12

Species:

Notes: Family : Terpenoids, Type : Merosesquiterpenoids, Group : Drimanes; 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) 37.8
2 (CH2) 33.5
3 (C) 217
4 (C) 47
5 (CH) 53.8
6 (CH2) 20
7 (CH2) 31.9
8 (C) 48.4
9 (CH) 50.9
10 (C) 37.2
11 (CH2) 35.9
12 (CH3) 16.9
13 (CH3) 16.7
14 (CH3) 20.6
15 (CH3) 26.9
1' (CH2) 107.7
2' (C) 151
3' (C) 49.6
4' (C) 92
5' (C) 207
6' (CH2) 203
7' (C) 74.6
8' (C) 169
9' (CH3) 17.1
10' (CH3) 28.2
8'a (CH3) 52.2