2-O-Methyl-isokallolide A

2-O-Methyl-isokallolide A

Common Name: 2-O-Methyl-isokallolide A

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H26O4/c1-11(2)15-8-7-14-10-17(25-21(14)22)18(12(3)4)16-9-13(5)19(24-16)20(15)23-6/h9-10,15,17,20H,1,7-8H2,2-6H3/t15-,17+,20-/m0/s1

InChIKey: InChIKey=CRSMEQWOPUZBKN-VPWXQRGCSA-N

Formula: C21H26O4

Molecular Weight: 342.429533

Exact Mass: 342.183109

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Rodriguez, A.D., Shi, J.G., Shi, Y.P. J Org Chem (2000) 65, 3192-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Pseudopteranes; 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) 46.6
2 (CH) 74.2
3 (C) 146.2
4 (C) 120.7
5 (CH) 113.1
6 (C) 150.3
7 (C) 142.4
8 (CH) 78.7
9 (CH) 147.2
10 (C) 137.7
11 (CH2) 21.7
12 (CH2) 33.9
13 (C) 145
14 (CH2) 114
15 (CH3) 17.6
16 (CH3) 9.7
17 (C) 121.4
18 (CH3) 23.1
19 (CH3) 20.6
20 (C) 175.3
2a (CH3) 55.6