Kuguacin B

Kuguacin B

Common Name: Kuguacin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C27H40O4/c1-16(13-17(2)29)18-9-10-26(6)23-21(30)14-20-19(7-8-22(31)24(20,3)4)27(23,15-28)12-11-25(18,26)5/h14-16,18-19,22-23,31H,7-13H2,1-6H3/t16-,18-,19-,22+,23+,25-,26+,27-/m1/s1

InChIKey: InChIKey=NBODFSYIUFTBQG-CZNZDDFTSA-N

Formula: C27H40O4

Molecular Weight: 428.605119

Exact Mass: 428.29266

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Chen, J., Tian, R., Qiu, M., Lu, L., Zheng, Y., Zhang, Z. Phytochemistry (2008) 69, 1043

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) 22.5
2 (CH2) 29.6
3 (CH) 75.6
4 (C) 43.4
5 (C) 169.3
6 (CH) 126.9
7 (C) 199
8 (CH) 52
9 (C) 51.1
10 (CH) 39.2
11 (CH2) 23
12 (CH2) 29.1
13 (C) 45.4
14 (C) 48.8
15 (CH2) 35.1
16 (CH2) 27.8
17 (CH) 50
18 (CH3) 14.8
19 (CH) 204.7
20 (CH) 32.9
21 (CH3) 20
22 (CH2) 50.8
23 (C) 208.1
24 (CH3) 30.4
28 (CH3) 27.1
29 (CH3) 25.6
30 (CH3) 18.5