Cucurbitacin I

Cucurbitacin I

Common Name: Cucurbitacin I

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H42O7/c1-25(2,36)12-11-21(33)30(8,37)23-19(32)14-27(5)20-10-9-16-17(13-18(31)24(35)26(16,3)4)29(20,7)22(34)15-28(23,27)6/h9,11-13,17,19-20,23,31-32,36-37H,10,14-15H2,1-8H3/b12-11+/t17-,19-,20+,23+,27+,28-,29+,30+/m1/s1

InChIKey: InChIKey=NISPVUDLMHQFRQ-MKIKIEMVSA-N

Formula: C30H42O7

Molecular Weight: 514.651423

Exact Mass: 514.293054

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Seger, C., Sturm, S., Mair, M.E., Ellmerer, E.P., Stuppner, H. Magn Reson Chem (2005) 43, 489-91

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 (CH) 114.9
2 (C) 144.5
3 (C) 198.7
4 (C) 47.5
5 (C) 136.9
6 (CH) 120.6
7 (CH2) 23.6
8 (CH) 41.6
9 (C) 48.8
10 (CH) 34.7
11 (C) 212.8
12 (CH2) 48.8
13 (C) 50.8
14 (C) 48.3
15 (CH2) 45.6
16 (CH) 71.5
17 (CH) 57.4
18 (CH3) 20
19 (CH3) 20.1
20 (C) 78.1
21 (CH3) 23.9
22 (C) 202.7
23 (CH) 119
24 (CH) 155.8
25 (C) 71.3
26 (CH3) 29.5
27 (CH3) 29.1
28 (CH3) 27.9
29 (CH3) 20.2
30 (CH3) 18.5