12-Methoxycalanolide B

12-Methoxycalanolide B

Common Name: 12-Methoxycalanolide B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C23H28O5/c1-7-8-14-11-16(24)27-22-17(14)21-15(9-10-23(4,5)28-21)20-18(22)19(25-6)12(2)13(3)26-20/h9-13,19H,7-8H2,1-6H3/t12-,13-,19-/m1/s1

InChIKey: InChIKey=KEWWSURXGADRPV-VLXJIEOASA-N

Formula: C23H28O5

Molecular Weight: 384.466291

Exact Mass: 384.193674

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Kashman, Y., Gustafson, K.R., Fuller, R.W., Cardellina, J.H., 2nd, McMahon, J.B., Currens, M.J., Buckheit, R.W., Jr., Hughes, S.H., Cragg, G.M., Boyd, M.R. J Med Chem (1992) 35, 2735-43

Species:

Notes: Family : Chromans, Type : Coumarins, Group : 4-Propylcoumarins; 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
2 (C) 160.8
3 (CH) 110.3
4 (C) 158.5
5 (C) 151.4
6 (C) 104.7
7 (C) 153.8
8 (C) 106
9 (C) 153.1
10 (C) 103.2
1' (CH2) 38.65
2' (CH2) 23.3
3' (CH3) 14.1
6a (CH) 116.6
6b (CH) 126.6
6c (C) 77.6
6d (CH3) 27.8
6e (CH3) 27.9
8a (CH) 70.8
8b (CH) 38.66
8c (CH) 73.4
8d (CH3) 13.3
8e (CH3) 19.2
8aa (CH3) 59.4