(23E)-Cucurbita-5,23,25-triene-3,7-dione

(23E)-Cucurbita-5,23,25-triene-3,7-dione

Common Name: (23E)-Cucurbita-5,23,25-triene-3,7-dione

Synonyms: (23E)-Cucurbita-5,23,25-triene-3,7-dione

CAS Registry Number:

InChI: InChI=1S/C30H44O2/c1-19(2)10-9-11-20(3)21-14-15-30(8)26-24(31)18-23-22(12-13-25(32)27(23,4)5)28(26,6)16-17-29(21,30)7/h9-10,18,20-22,26H,1,11-17H2,2-8H3/b10-9+/t20-,21-,22-,26-,28+,29-,30+/m1/s1

InChIKey: InChIKey=OTTWFQZLWJURAW-XUFLONFKSA-N

Formula: C30H44O2

Molecular Weight: 436.67028

Exact Mass: 436.334131

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Chang, C.I., Chen, C.R., Liao, Y.W., Cheng, H.L., Chen, Y.C., Chou, C.H. J Nat Prod (2006) 69, 1168-71

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Cucurbitanes; 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) 23.6
2 (CH2) 38.1
3 (C) 211.6
4 (C) 51.4
5 (C) 167.6
6 (CH) 125.4
7 (C) 202.3
8 (CH) 59.2
9 (C) 36.8
10 (CH) 41.2
11 (CH2) 31.3
12 (CH2) 29.7
13 (C) 48.5
14 (C) 45.8
15 (CH2) 34.5
16 (CH2) 27.8
17 (CH) 49.6
18 (CH3) 15.4
19 (CH3) 27.2
20 (CH) 36.6
21 (CH3) 18.9
22 (CH2) 39.6
23 (CH) 129
24 (CH) 134.3
25 (C) 142.1
26 (CH3) 18.7
27 (CH2) 114.2
28 (CH3) 28.4
29 (CH3) 23
30 (CH3) 18