Caseamembrin G

Caseamembrin G

Common Name: Caseamembrin G

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C28H40O8/c1-8-10-24(32)35-23-13-17(4)27(7,12-11-16(3)9-2)22-15-20(31)14-21-25(33-18(5)29)36-26(28(21,22)23)34-19(6)30/h9,14,17,20,22-23,25-26,31H,2-3,8,10-13,15H2,1,4-7H3/t17-,20+,22+,23+,25+,26-,27-,28-/m0/s1

InChIKey: InChIKey=QHGNGASMDFLMTJ-FZPMFBTGSA-N

Formula: C28H40O8

Molecular Weight: 504.613475

Exact Mass: 504.272318

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Shen, Y.C., Lee, C.L., Khalil, A.T., Cheng, Y.B., Chien, C.T., Kuo, Y.H. Helv Chim Acta (2005) 88, 68-77

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Clerodanes; 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) 29.5
2 (CH) 63.7
3 (CH) 126.7
4 (C) 142.2
5 (C) 52.2
6 (CH) 73.8
7 (CH2) 33.1
8 (CH) 36.2
9 (C) 37.4
10 (CH) 36.7
11 (CH2) 28
12 (CH2) 23.9
13 (C) 145.3
14 (CH) 140.3
15 (CH2) 112.7
16 (CH2) 115.3
17 (CH3) 15.6
18 (CH) 98.4
19 (CH) 95.4
20 (CH3) 25.5
6a (C) 173.1
6b (CH2) 36.6
6c (CH2) 18.3
6d (CH3) 13.7
18a (C) 170.2
18b (CH3) 21.7
19a (C) 170
19b (CH3) 21.3