ent-7a-Acetoxy-12a-hydroxy-17-(tert-butyldimethylsilyl)beyer-15-ene

ent-7a-Acetoxy-12a-hydroxy-17-(tert-butyldimethylsilyl)beyer-15-ene

Common Name: ent-7a-Acetoxy-12a-hydroxy-17-(tert-butyldimethylsilyl)beyer-15-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C28H48O4Si/c1-19(29)32-23-16-20-25(5,6)11-10-12-26(20,7)21-15-22(30)27(13-14-28(21,23)17-27)18-31-33(8,9)24(2,3)4/h13-14,20-23,30H,10-12,15-18H2,1-9H3/t20-,21+,22-,23+,26-,27-,28-/m1/s1

InChIKey: InChIKey=ODHMZDCXAHKTLT-ZXUNNQBWSA-N

Formula: C28H48O4S1

Molecular Weight: 480.745466

Exact Mass: 480.327331

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Garcia-Granados, A., Parra, A., Arias, J.M. J Nat Prod (1997) 60, 86-92

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Beyeranes; 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) 38.6
2 (CH2) 18.5
3 (CH2) 42
4 (C) 32.6
5 (CH) 48
6 (CH2) 25.3
7 (CH) 75.6
8 (C) 53.4
9 (CH) 44.1
10 (C) 36.9
11 (CH2) 28.7
12 (CH) 70.5
13 (C) 53.5
14 (CH2) 45.6
15 (CH) 136.1
16 (CH) 133.2
17 (CH2) 70.4
18 (CH3) 33.3
19 (CH3) 21.7
20 (CH3) 14
7a (C) 170.7
7b (CH3) 21.3
17a (C) 25.8
17b (CH3) 18.2
17c (CH3) 5.6
17d (CH3) 5.6
17aa (CH3) 18.2
17ab (CH3) 18.2