(9ξ,13ξ,17ξ)-4,4,8,14-Tetramethyl-20,24-epoxy-18-norchol-1-ene-3,24-dione

(9ξ,13ξ,17ξ)-4,4,8,14-Tetramethyl-20,24-epoxy-18-norchol-1-ene-3,24-dione

Common Name: (9ξ,13ξ,17ξ)-4,4,8,14-Tetramethyl-20,24-epoxy-18-norchol-1-ene-3,24-dione

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C27H40O3/c1-23(2)19-10-15-26(5)20(24(19,3)13-11-21(23)28)8-7-17-18(9-14-25(17,26)4)27(6)16-12-22(29)30-27/h11,13,17-20H,7-10,12,14-16H2,1-6H3/t17-,18+,19+,20-,24+,25-,26-,27+/m1/s1

InChIKey: InChIKey=WYBNDXYXXYAQPY-QPBHWVAKSA-N

Formula: C27H40O3

Molecular Weight: 412.605714

Exact Mass: 412.297745

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Nagaya, H., Tobita, Y., Nagae, T., Itokawa, H., Takeya, K., Halim, A.F., AbdelHalim, O.B. Phytochemistry (1997) 44, 1115-9

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Dammaranes; 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 (CH) 159.6
2 (CH) 115.2
3 (C) 205.3
4 (C) 44.7
5 (CH) 49.2
6 (CH2) 19
7 (CH2) 34.6
8 (C) 41.2
9 (CH) 53.9
10 (C) 39.5
11 (CH2) 21.4
12 (CH2) 25
13 (CH) 44.7
14 (C) 50.3
15 (CH2) 31
16 (CH2) 26.7
17 (CH) 43.3
18 (CH3) 15.8
19 (CH3) 16.1
20 (C) 89.9
21 (CH3) 25.4
22 (CH2) 29.1
23 (CH2) 31
24 (C) 176.6
28 (CH3) 27.8
29 (CH3) 21.6
30 (CH3) 19.2